全國計算機等級考試上機考試習題集（二級C語言程序設計）地址：機電技術學院南大門華聯超市3樓（欣科培訓）電話 .立4巨工口日甫 于平均分的人數作為函數值返回，將底于平均分的分數放弟^一*部刀編程就 在數組below中。1.m個人的成績存在數組score中，函數fun的功能是將底如：當score中的數據為10,20,30,40,50,60,70,80,90時,函數返回的人數為4,bleow中的數據為10,20,30,40#include<conio.h>#include<stdio.h>#include<string.h>intfun(intscore[],intm,intbelow口)main(){inti,n,below[9];intscore[9]={10,20,30,40,50,60,70,80,90};clrscr();n=fun(score,9,below);printf(^people=%d\n*,n);printf(*\nBelowtheaveragescorearefor(i=0;i<n;i++)printf(*%dbelow[i]);}答案inti,j=0,s=0;for(i=0;i<m;i++)s+=score[i];s/=m;for(i=0;i<m;i++)if(score[i]<s)below[j++]=score[i];returnj2.函數fun求1到1000之內能被7或11、當不能同時被7和11整除的所有整數、并將它們放在數組a中，通過n返回這些個數#include<conio.h>^include<stdio.h>voidfun(int*a,int*n)(}main(){intaa[1000],n,k;clrscr();fun(aa,&n);for(k=0;k<n;k++)if((k+l)%10=0)printf("\n");elseprintfC"%5d,aa[k]);}答案inti,j=0;for(i=l;i<1000;i++)if(i%7==0&&i%ll!=0||i%ll==0&&i%7!=0)a[j++]=i;*n=j;.編寫函數,求出能整除x且不是偶數的各整數,按從小到大的順序放在數組中,這些除數的個數通過形參n返回如：若x中的值為30,則有4個數符合要求，它們是1,3,5,15#include<conio.h>#include<stdio.h>voidfun(intx,intpp[],int*n)()main(){intx,aa[1000],n,i;clrscr();printf(*\nPleaseenteranintegernumber:\nzz);scanf&x);fun(x,aa,&n);for(i=0;i<n;i++)printf(*%d",aa[i]);printf("\n");}答案inti=l;for(*n=0;i<=x;i++)if(x%i=04&i%2==l)pp[*n++]=i;.編寫函數,統計在tt字符中到"z"26個字母出現的個數,并放在pp所指的數組中如：輸入abcdefgabcdeabc后，程序輸出的結果應該為：33322110000000000000000000include<conio.h>include<stdio.h>voidfun(char*tt,intpp[])main(){charaa[1000];intbb[26],k,n;clrscr();printf(*\nPleaseenteracharstring:");scanfaa);fun(aa,bb);for(k=0;k<26;k++)printfbb[k]);printfC\nO;}答案inti;for(i=0;i<26;i++)pp[i]=0;for(i=0;tt[i];i++)pp[tt[i]'a']++;printf(*Thenewstringis:%s\n”,str2);;5.編寫函數,將大于整數m且緊靠m的k個素數放到xx數組中如:若輸入：17,5則應輸出：19,23,29,31,37#include<conio.h>#include<stdio.h>voidfun(intm,intk,intxx[]){)答案inti,j=0;for(i=0;a[i];i++){if(i<n)b[j++]=a[i];elseb[j++]=a[i+l];)}main(){ intm,n,zz[1000];clrscr();printf(*\nPleaseentertwointegers:*);scanf("%d,%d",&m,&n);fun(m,n,zz);for(m=0;m<n;m++)printf(*%d”,zz[m]);printf("\n");}答案inti,j,n=0;for(i=m+l;n<k;i++){for(j=2;j<i;j++)if(i%j==0)break;if(j=i)xx[n++]=i;}7.編寫函數,求數組中最大元素的下標,存放的k所指的存儲單元中如如67675896101301401980431451777,則輸出：6,980include<conio.h>include<stdio.h>voidfun(int*s,intt,int*k)(1main(){inta[10]={876,675,896,101,301,401,980,431,451,777},k;clrscr();fun(a,10,&k);printf(飛d,%d\n”,k,a[k]);}答案6.編寫函數,刪除一個字符串中指頂下標的字符,a指向原字符串，刪除后的字符串放在b字符串中如：輸入字符串World,然后輸入3,則刪除后的字符串為Wordinti,max;max=s[0];for(i=l;i<t;i++)if(max<s[i]){max=s[i];*k=i;}include<stdio.h>include<conio.h>defineLEN20voidfun(chara[],charb口，intn){8.編寫函數，計算s的值，s=l+l/(l+2)+l/(l+2+3)+……+1/(1+2+ +n)如：輸入n=ll,s的值為1.833333#include<conio.h>#include<stdio.h>}main(){charstr1[LEN],str2[LEN];intn;#include<string.h>floatfun(intn)(clrscr();printf("Enterthestring:\n/z);gets(strl);printf(*Enterthepositionofthestringdeleted:*);scanf&n);fun(strl,str2,n);)main(){intn;floats;clrscr();printf('\nPleaseenterN:");scanf &n);答案:答案:s=fun(n);printf(*Theresultis:%f\n”,s);}答案inti;doubles=0,t=0;for(i=l;i<=n;i++){t+=i;s+=l.0/t;}returns;9.編寫函數，求p的值，m和n是兩正整數，且m>n,p=m!/(n!*(m-n)!)如:輸入m=12,n=8時,p的結果為495.000000#include<conio.h>#include<stdio.h>floatfun(intm,intn)main(){clrscrO;printf("P=%f\n”,fun(12,8));}答案inti;doublea=l,b=l,c=l;for(i=l;i<=m;i++)a*=i;for(i=l;i<=n;i++)b*=i;for(i=l;i<=m-n;i++)c*=i;returna/(b*c);10.編寫函數,求cos(x)-x=0的一個實根X(n+l)=cos(Xn),步驟如下：⑴取xl初值為0.0; (2)x0=xl,把xl的值賦給x0;(3)xl=cos(x0),求出一個實根；(4)若x0-xl的絕對值小于0.000001,執行步驟(5),否則執行步驟⑵；(5)所求xl就是cos(x)-x=0的一個實根，作為函數值返回程序輸出結果Root=0.739085#include<conio.h>#include<math.h>#include<stdio.h>floatfun()(}main(){clrscrO；printf("Root二%f\n”,fun());floatxl=0,xO;do{x0=x1;xl=cos(xO);}while(fabs(x0-xl)>=0.000001);returnxl;11.編寫函數，使N*N的二維數組的左下半三角形全部置0,如：a數組為1,9,72,3,84,5,6返回主函數后a數組中的值為a數組為0,9,70,0,80,0,0ttinclude<stdio.h>ttinclude<conio.h>#include<stdlib.h>ttdefineN5voidfun(inta[][N])main(){inta[N][N],i,j;clrscrO；printf(z，*****Thearray*****\n*);for(i=0;i<N;i++)(for(j=0;j<N;j++){a[i][j]=rand()%10;printf("%4d",a[i][j]);}printf(〃\n〃)；}fun(a);printf("THERESULT'n");for(i=0;i<N;i++)(for(j=0;j<N;j++)printf(*%4d*,a[i][j]);printf('\n");})答案inti,j;for(i=0;i<N;i++)for(j=0;j<=i：j++)a[i][j]=0;12.編寫函數,將N*N的二維數組周邊元素的平均值作為函數值返回給主函數s如：012799745a=2383156829141返回主函數后s的值為3.375include<stdio.h>include<conio.h>include<stdlib.h>^defineN5doublefun(intw[][N])main(){inta[N][N]={0,1,2,7,9,1,9,7,4,5,2,3,8,3,1,4,5,6,8,2,5,9,1,4,1);inti,j;doubles;clrscr();printf(z，*****Thearray*****\n");for(i=0;i<N;i++){for(j=0;j<N;j++){printf(*%4d*,a[i][j]);)printf('\n");)s=fun(a);printfC*****THERESULT*****\n");printf("Thesumis%lf\n，z,s);)答案inti,j;doubles;for(i=0;i<N;i++)for(j=0;j<N;j++)if(i==0||j==0||i==N-l||j==N-l)s+=a[i][j];s/=16;returns;.編寫函數,tt指向一個M行N列的二維數組,求出二維數組的每列最小值,依次放到PP所值的一維數組中^include<conio.h>#include<stdio.h>??defineM3#defineN4voidfun(inttt[M][N],intpp[N])main(){intt[M][N]={{22,45,56,30},{19,33,45,38},(20,22,66,40}};intp[N],i,j,k;clrscr();printf("Theoriginaldatais:\n");for(i=0;i<M;i++){for(j=0;j<N;j++)printf(*%6d*,t[i][j]);printf(〃\n");}fun(t,p);printf('\nTheresultis:\n");for(k=0;k<N;k++)printf(〃%4d”,p[k]);printf('\n");)答案inti,j,min,k=0;for(j=0;j<N;j++){min=tt[0][j];{for(i=0;i<M;i++)if(min>tt[i][j])min=tt[i][j];}pp[k++]=min;).編寫函數，求二維數組周邊元素之和，作為函數值返回如：13579299946999813570 則函數的值為61#include<conio.h>ttinclude<stdio.h>ttdefineM4^defineN5intfun(inta[M][N])()main(){intaa[M][N]={{1,3,5,7,9),(2,9,9,9,4),{6,9,9,9,8),(1,3,5,7,0)):inti,j,y;clrscr();printf("Theoriginaldatais:\n");for(i=0;i<M;i++)[for(j=0;j<N;j++)printf(*%6d*,aa[i][j]);printf(*\n*);)y=fun(aa);printf("\nThesum:%d\n”,y);printf("\n")：)答案inti,j：for(i=0;i<N;i++)for(j=0;j<M;j++)if(i==0||j=0|Ii=N-l11j==M-l)s+=a[i][j];15.編寫函數,w是一個大于10的無符號的整數，若w是n(n>=2)位的整數,則函數求出w的后n-1位作為函數值返回如:w的值為5923,則函數的返回值為923,如:w的值為923,則函數的返回值為23,#include<conio.h>^include<stdio.h>unsignedfun(unsignedw)如:若h的值為8.32433,則函數返回8.32,如:若h的值為8.32533,則函數返回8.33,#include<stdio.h>ttinclude<conio.h>floatfun(floath)main()(floata;clrscr();printf("Entera:");scanf("%f",&a);printf("Theoriginaldatais:");printf("%f\n\n",a);printf("Theresult:%f\n〃，fun(a));}答案return(int)(h*100+0.5)/100.0017.編寫函數,將字符串中的內容逆置如：原字符串為abcdefg,則調用函數后，字符串中的內容為gfedcbattinclude<string.h>#include<conio.h>ttinclude<stdio.h>ttdefineN81voidfun(char*s)main(){unsignedx;clrscr();printf("Enteraunsignedintegernumber:”)；scanf("%u",&x);printf("Theoriginaldatais:%u\n',x);if(x<10)printf("Dataerror!”);elseprintf("Theresult:%u\n”,fun(x));}答案if(w<100)returnw%10;elsereturnfun(w/10)*10+w%10;main(){chara[N];clrscr();printf("Enterastring:");gets(a);printf("Theoriginalstringis:");puts(a);fun(a);printfC\n*);printf("Thestringaftermodified:");puts(a);}答案inti,j;chart;for(i=0,j=strlen(s)-l;i<j;i++,j一){t=a[i];a[i]=a[j];a[j]=t;}16.編寫函數,將變量h中的值保留2位小數,18.編寫函數,將矩陣轉置（行列互換）如：100200300 轉置后：100400700400500600 200500800700800900 300600900#include<stdio.h>#include<conio.h>intfun(intarray[3][3])main(){inti,j;intarray[3][3]={{100,200,300),{400,500,600),{700,800,900}};clrscr();for(i=0;i<3;i++)(for(j=0;j<3;j++)printf(*%7d*,array[i][j]);printf('\n");)fun(array);printf(""Convertedarray:\n");for(i=0;i<3;i++)(for(j=0;j<3;j++)printf(*%7d*,array[i][j]);printf("\n〃)；)}答案inti,j,t;for(i=0;i<3;i++)for(j=0;j<i;j++){t=array[i][j];array[i][j]=array[j][i];array[j][i]=t;}.編寫函數，刪除字符串中指定的字符，同一字符大小寫按不同的字符處理如:輸入turbocandblrlandc++輸入字符n后,則輸出turborcadblrladc++#include<stdio.h>#include<conio.h>intfun(chars[],intc)mainO{staticcharstr口=“turbocandborlandc++”;charch;clrscr();printf("原始字符串:%s\n”,str);printf("輸入一個字符:")；scanf&ch);fun(str,ch);printf("str[]=%s\n”,str);)答案inti,j=0;for(i=0;s[i];i++)if(s[i]!=c)s[j++]=s[i];s[j]=，\0J;.編寫函數,將小于或等于lim的所有的素數放在aa數組中，返回素數的個數#include<stdio.h>ttinclude<conio.h>#defineMAX100intfun(intlim,intaa[MAX])main(){intlimit,i,sum;intaa[MAX];clrscrO;printf("輸入一個整數”)；scanfC%d”,&limit);sum=fun(limit,aa);for(i=0;i<sum;i++){if(i%10==0&&i!=0)printf(*\n*);printf("%5d”,aa[i]);))答案inti,n=0,j;for(i=2;i<=lim;i++)(for(j=2;j<i;j++)if(i%j==0)break;if(i==j)aa[n++]=i;)returnn;.編寫函數,對長度為7的字符串除首未,其余5個字符按降序排列如：字符串為CEAedca,則輸出為CedcEAattinclude<stdio.h>#include<ctype.h>ttinclude<conio.h>voidfun(char*s,intnum)main(){chars[10];printf("輸入7個字符的字符串：〃)；gets(s);fun(s,7);printf('\n%s”,s);}答案inti,j;chart;for(i=l;i<5;i++)for(j=i+l;j<6;j++)if(s[i]<s[j]){s[i]=t;s[i]=s[j];s[j]=t;}.N名學生的成績在主函數中放入帶頭結點的鏈表中，h指向頭結點，編寫函數，找出最高分#include<stdio.h>#include<stdlib.h>^defineN8structslist{doubles;structslist*next;}；typedefstructslistSTREC;doublefun(STREC*h)p=h->next;printf("head");do(printf(*->%2.Of”,p->s);p=p->next;}while(p!=0);printf('\n\n");)main()(doubles[N]={85,76,69,85,91,72,64,87},max;STREC*h;h=creat(s);outlist(h);max=fun(h);printf("max=%6.lf\n”,max);1答案doublemax=h->s;for(h=h->next;h;h=h->next)if(max<h->s)max=h->s;23.編寫函數，判斷字符串是否為回文數如:字符串LEVEL是回文數，123321是回文數ttinclude<stdio.h>ttdefineN80intfun(char*str)STREC*creat(double*s){STREC*h,*p,*q；inti=0;h=p=(STREC*)malloc(sizeof(STREC));p->s=0;while(i<N){ q=(STREC*)malloc(sizeof(STREC));q->s=s[i];i++；p->next=q;P=q；)p->next=0;returnh;)outlist(STREC*h){STREC*p;main(){chars[N];printf("Enterastring:");gets(s);printf("\n\n");puts(s);if(fun(s))printf("YES'n");elseprintf(*N0\n");)答案inti,j;for(i=0;str[i+l];i++);for(j=0;j<i;j++,i-)if(str[i]!=str[j]))return0;elsereturn1;24.編寫函數，將一個數字字符串轉換為一個整數如:輸入字符"T234”,則轉換為整數T234#include<stdio.h>#include<string.h>longfun(char*p)(*n)/(3*5*7* *(2n+l))#include<stdio.h>#include<math.h>doublefun(doubleeps)(}main(){chars[6];longn;printf(*Enterastring:\n/z);gets(s);n=fun(s);printf(*%ld\n*,n);}答案inti=0,j=l,s=0;if(p[O]=,->){j=-l;i=l;}for(i;p[i];i++)s=s*10+p[i]」0';returns*j;)main(){doublex;printf(zzInputeps:");scanf(*%lf*,&x);printfC*\neps=%lf,PI=%lf\n”,x,fun(x));)答案doubles=l,a=l,b=l,i;for(i=l;a/b>=eps;i++){a*=i;b*=2*i+l;s+=a/b;}return2*s;27.編寫函數，求出1到m之間能被7或11整除的所有整數，通過n返回這些數個數如：輸入m為50,則輸出711142122283335424425.編寫函數，比較兩個字符串長度，返回較長的字符串，若兩個字符串長度相同返回第一個字符串如：輸入beijingshanghai函數返回shanghai^include<stdio.h>49#include<conio.h>#include<stdio.h>ttdefineM100char*fun(char*s,char*t)(voidfun(intm,int*a,int*n)(}main(){chara[20],b[10],*p,*q;inti;printf("Input1thstring:*);gets(a);printf(*Input2thstring:");gets(b);printf("%s\n”,fun(a,b));)答案inti,j;for(i=0;s[i];i++);for(j=0;t[j];j++);if(i>=j)returns;elsereturnt;)main(){intaa[M],n,k;clrscr();fun(50,aa,&n);for(k=0;k<n;k++)if((k+l)%20=0)printf('\n");elseprintf("%4d",aa[k]);printf('\n");}答案inti=l,j=0;for(i=l;i<=m;i++)if(i%7!=0||i%ll==0&&i%7=0||i%U!=0)a[j-H-]=i;*n=j;26.編寫函數，根據公式求n的值,耍求滿足精度0.0005,即某項小于0.0005時停止s=l+1/3+1*2/3*5+1*2*3/*5*7+ + (1*2*3* 28.編寫函數,找出一維整型數組元素中最大的值和它所在的下標，最大值和它的下標通過形參返回，數組元素中的值在主函數中賦于主函數中x是數組名，n是x中的數據個數，max存放最大值，index存放最大值的下標#include<stdlib.h>#include<stdio.h>voidfun(inta[],intn,int*max,int*d)main(){inti,x[20],max,index,n=10;randomize();for(i=0;i<n;i++)(x[i]=rand()%50;printfx[i]);)printfC\n");fun(x,n,&max,&index);printf("Max=%5d,Index=%4d\nzz,max,index);}答案inti;*max=a[0];for(i=0;i<n;i++)if(a[i]>*max){*max=a[i];*d=i;}29.編寫函數，將ss所指字符串中所有下標為奇數位置t的字母轉換為大寫如：若輸入abc4EFg,則輸出aBc4EFg^include<conio.h>^include<stdio.h>ttinclude<string.h>voidfun(char*ss)main(){chartt[81];printf(*\nPleaseenteranstringwithin80characters:\nz，);gets(tt);printf(*\n\nAfterchanging,thestring\n\%s\n，z,tt);fun(tt);printf("\nbecomes\n\%s\nzz,tt);)答案inti;for(i=0;ss[i];i++)if(ss[i]>,a&&ss[i]<'z&&i%2==l)ss[i]-=32;.編寫函數，求出2*M整型二維數組中最大元素的值，將此值作為函數值返回#defineM4ttinclude<stdio.h>fun(inta[][M])main(){intarr[2][M]={5,8,3,45,76,-4,12,82);printf("max二%d\n”,fun(arr));)答案inti,j,max=a[0][0];for(i=0;i<2;i++)for(j=0;j<M;j++)if(a[i][j]>max)max=a[i][j];returnmax;.編寫函數，將s所指字符串中除了下標為偶數，同時ASCII值為偶數的字符外，其余全部刪除如：s所指的字符串中的內容為ABCDEFG123456,刪除后的t數組中的內容為246^include<conio.h>??include<stdio.h>itinclude<string.h>voidfun(char*s,chart[])(}main(){chars[100],t[100];clrscrO;printf(^XnPleaseenterstringS:");scanf('%s”,s);fun(s,t);printf(*\nTheresultis:%s\n',t);}答案inti,j=0;for(i=0;s[i];i++)if(i%2==0&&s[i]%2=0)t[j++]=s[i];.編寫函數，將s所指字符串中除了下標為奇數、同時ASCII值為奇數的字符外，其余字符全部刪除，剩余的字符放在t所指數組中#include<conio.h>#include<stdio.h>#include<string.h>voidfun(char*s,chart[])(#include<stdio.h>#defineN16typedefstruct{charnum[10];ints;}STREC;)main(){chars[100],t[100];clrscr();printf(*\nPleaseenterstringS:");scanf('%s”,s);fun(s,t);printf("\nTheresultis:%s\n',t);}答案inti,j=0;intfun(STREC*a,STREC*b)()main(){STREC s[N]= {{"GA05",85}, {"GA03",76},{"GA02",69},{"GA04”,85},{“GA01”,91},{“GA07”,72},{“GA08”,64},{"GA06",87},{"GA015”,85}, {"GA013”,91}, {"GA012",64},{"GA014”,91},for(i=0;s[i];i++)if(i%2==l&&s[i]%2=l)t[j++]=s[i];{"GA011”,77}, {"GA017”,64}, {"GA018”,64},{"GA016”,72}};STRECh[N];33.編寫函數，若字符串尾部的*多于n個，則將多于的*刪除,若少于等于n個則什么也不做如：字符串中的內容為****A*BC*DEF*G*******,若n的值為4?則刪除后的字符串為***A*BC*DEF*G****#include<stdio.h>^include<conio.h>voidfun(char*a,intn)(inti,n;FILE*out;n=fun(s,h);printf("The%dhighestscore:\n',n);for(i=0;i<n;i++)printf("%s%4d\n”,h[i].num,h[i].s);printf("\n〃);out=fopen(〃outl5.dal","w");fprintf(out,"%d\n”,n);}main(){chars[81];intn;printf("Enterastring:\n");gets(s);printf("Entern:");scanf&n);fun(s,n);printf("Thestringafterdeleted:\n");puts(s);)答案inti,j=0;for(i=0;i<n;i++)fprintf(out,"%4d\n”,h[i].s);fclose(out);}答案inti,max=a[0].s,j=0;for(i=0;i<N;i++)if(a[i].s>max)max=a[i].s;for(i=0;i<N;i++)if(max=a[i].s)j++;returnj;35.編寫函數，用來刪除字符串中空格如：輸入asdafaaz67,則輸出asdafaaz67#include<stdio.h>#include<ctype.h>for(i=0;a[i+l];i++);for(;a[i]=**;i—j++)if(j>n)a[i+n+l]=\0';#include<conio.h>voidfun(char*str)34.N名學生的數據J在主函數中放入結構體數組中，編寫函數,把分數最高的學生數據放在h所指的數組中，最高分不只一個，函數返回最高分的個數)main()charnum[10]; returnj;charnum[10]; returnj;doubles[N];{charstr[81];intn;clrscr();printf(*Inputastring:*);gets(str);puts(str);fun(str);printf("***str:%s\n”,str);)答案inti,j=0;for(i=O;str[i];i++)if(str[i]!='')str[j++]=str[i];str[j]=\0';36.編寫函數，將字符串中前導*移到尾部如：原字符串中的內容為********A*BODEF*G****則刪除后的字符串為A*BC*DEF*G************#include<stdio.h>^include<conio.h>voidfun(char*a)main(){chars[81],*p;printf("Enterastring:\n，z);gets(s);fun(s);printf("Thestringaftermoveing:\n");puts(s);}答案inti;while(a[0]==，*'){for(i=0;a[i+l];i++)a[i]=a[i+l];a[i]= ;.某學生的記錄由學號、8門課程的成績和平均分組成，學號和8門課程的成績在主函數中給出，編寫函數，求出該學生的平均分放在記錄ave中。如:某學生的成績是85.5,76,69.5,85,91,72,64.5,87.5。則平均分為78.875#include<stdio.h>itdefineN8typedefstructdoubleave;}STREC;voidfun()(}main(){STRECs={"GA005”,85.5,76,69.5,85,91,72,64.5,87.5};inti;fun(&s);printf("The%s'sstudentdata:\nz\s.num);for(i=0;i<N;i++)printf(*%4.lf\n*?s.s[i]);printf("\nave=%7?3f\n”,s.ave);)答案voidfun(STREC*s){inti;s->ave=0;for(i=0;i<N;i++)s->ave+=s->s[i];s->ave/=N;).編寫函數，求出ss所指字符串中指定字符的個數，作為函數值返回如:若輸入字符串12341232,輸入字符1,則輸出3ttinclude<conio.h>^include<stdio.h>ttdefineM81intfun(char*ss,charc)()main(){chara[M],ch;clrscr();printf("\nPleaseenterastring:");gets(a);printf(*XnPleaseenterachar:");ch=getchar();printfCAnThenumberofthecharis:%d\n”,fun(a,ch));)答案inti,j=0;for(i=0;ss[i];i++)if(ss[i]==c)j++;.編寫函數，移動一維數組中的內容，若數組中有n個整數，要求把下標從0移到P(P小于等于n-1)的數組元素平移到數組的最后如:一維數組的內容為1,2,3,4,5,6,7,8,9,10p的值為3,移動后的內容為:5,6,7,8,9,10,1,2,3,4ttinclude<stdio.h>ttdefineN80voidfun(int*w,intp,intn)main(){inta[N]={l,2,3,4,5,6,7,8,9,10,11,12,13,14,15);inti,p,n=15;printf("Theoriginaldata:\n*);for(i=0;i<n;i++)printf("%3d",a[i]);printf(*\n\nEnterp:");scanf("%d",&p);fun(a,p,n);printf("\nThedataaftermoving:\n");for(i=0;i<n;i++)printf("%3d",a[i]);printf("\n\n");)答案inti,j,t;for(i=0;i<=p;i++){t=w[0];for(j=0;w[j+l];j++)w[j]=w[j+l];w[j]=t;.移動字符串中內容，把第1個到第m個字符移到字符串的最后，把第m+1到最后的字符移到字符串的最后如：原字符串中的內容為ABCDEFGHIJK,m的值為3,移動后字符串中的內容為DEFGHIJKABC#include<stdio.h>#include<string.h>#defineN80voidfun(char*w,intm)main(){chara[N]="ABCDEFGHIJK”;intm;printf("Theoriginalstring:\n'z);puts(a);printf(*\n\nEnterm:");scanf(繪d",&m);fun(a,m);printf('\nThestringaftermoving:\n*);puts(a);printf('\n\n");)答案inti,j;chart;for(i=0;i<m;i++){t=a[0];for(j=0;w[j+l];j++)w[j]=w[j+l];w[j]=t;.編寫函數，將M行N列的二維數組中的字符數據按列依次放到一個字符串中如:若二維數組中的數據為WWWWSSSSHHHH 則字符串中的內容為WSHWSHWSHttinclude<stdio.h>#define M 3ttdefine N 4voidfun(char(*s)[N],char*b))main(){char a[100],w[M][N]={{*w*,*w*,inti,j;printf(^Thematrix:\n*);for(i=0;i<M;i++){for(j=0;j<N;j++)printf("%3c",w[i][j]);printf("\n");}fun(w,a);printf("TheAstring:\n*);puts(a);printfC\n\n");}答案inti,j,t=0;for(i=0;i<M;i++)for(j=0;j<N;j++)b[t++]=a[j][i];b[t]=\0';.下列程序定義了N*N的二維數組，在主函數已自動賦值，編寫函數將二維數組右上半角元素*m如:輸入m的值為2時197 21814a=238 則返回主函數后a數組中的值為2 616456 4512#include<stdio.h>#include<conio.h>ttinclude<stdlib.h>^defineN5voidfun(inta[][N],intm)main(){inta[N][N],m,i,j;clrscr();printf(〃****Thearray*****\n〃)；for(i=0;i<N;i++){for(j=0;j<N;j++){a[i][j]=rand()%20;printf(*%4d*,a[i][j]);}printf('\n");}do{m=rand()%10;}while(m>=3);printf("m=%4d\n”,m);fun(a,m);printf("THERESULT"");for(i=0;i<N;i++){for(j=0;j<N;j++)printf("%4d",a[i][j]);printf('\n");)}答案inti,j;for(i=0;i<N;i++)for(j=0;j>=i;j++)a[i][j]=a[i].編寫函數，從傳入的num個字符串中找出最長的字符串，并通過形參max傳回該地址(用****作為結束的標志)#include<stdio.h>^include<string.h>ttinclude<conio.h>char*fun(char(*a)[81],intnum)main(){charss[10][81],*max;intn,i=0;clrscr();printf(〃輸入若干個字符串：〃)；gets(ss[i]);puts(ss[i]);while(!strcmp(ss[i],******)=0){ i++;gets(ss[i]);puts(ss[i]);}n=i;max=fun(ss,n);printf('\nmax=%s\n”,max);)答案inti;char*max;max=a[0];for(i=l;i<num;i++)if(strlen(a[i])>strlen[max])max=a[i];returnmax;.編寫函數，統計一個長度為2的字符串在另一個字符串中出現的次數如：輸入一個長字符串為：asdasasdfgasdaszx67asdmklo 子字符串為as 則輸出6^include<stdio.h>#include<string.h>ttinclude<conio.h>intfun(char*str,char*substr)main(){charstr[81],substr[3];intn;clrscr();printf("輸入主字符串：〃);gets(str);printf(〃輸入子字符串：〃);

gets(substr);puts(str);puts(substr);n=fun(str,substr);printf(*n=%d\n，z,n);)答案inti=O;char*n,*m;while(*str){for(m=str,n=substr;*n&&*m二二*n;m++,n++);if(*n='\0')i++；str++;}returni;.編寫函數，刪除字符串前導*和尾部*,形參n給出了字符串長度，形參h給出了字符串前導*,形參e給出了字符串尾部*如：若字符串中的內容為***A*BC*DEF*G*******,則刪除后的字符串為A*BC*DEF*G#include<stdio.h>ttinclude<conio.h>voidfun(char*a,intn,inth,inte)答案inti,j=0;for(i=h;i<n-e;i++)a[j++]=a[i];a[j]=>\0J;.N名學生的數據已在主函數中放入結構體數組s中，編寫函數，按分數的高低(從高到底)排列學生的記錄，ttinclude<stdio.h>itdefineN16typedefstruct{charnum[10];ints;}STREC;main(){chars[81],*t,*f;intm=0,tn=0,fn=0;printf("Enterastring:\n");gets(s);main(){chars[81],*t,*f;intm=0,tn=0,fn=0;printf("Enterastring:\n");gets(s);t=f=s;while(*t){ t++;m++;)t-;while(*t==，*'){ t一;tn++;)while(*f==，*'){f++；fn++;)fun(s,m,fn,tn);printf(z，Thestringafterdeleted:\n*);puts(s);)inti;FILE*out;fun(s);printf("Thedataaftersorted:\n");for(i=0;i<N;i++){if((i)%4==0)printf(〃\n");printf("%s%4d”,s[i].num,s[i].s);}printf('\n");out=fopen("outl6.dat”,〃w〃)；for(i=0;i<N;i++){if((i)%4==0&&i)

fprintf(out,"\n");

fprintf(out,“%4d”,s[i].s);}fprintf(out,"\n");fclose(out);)答案inti,j;STRECt;for(i=0;i<N-l;i++)for(j=i+l;j<N;j++)if(a[i].s<a[j].s){t=a[i];a[i]=a[j]main(){STREC s[N]={{"GA005”,85},{"GA003”,76},{"GA002”,69},{"GA004I”,85},{"GA001”,91},{"GA006”,87},{"GA007”,72},{"GA008”,64},{"GA015”,85},{"GA014”,91},{"GA013”,91},{"GA012”,64},{"GAO11”,66},{"GA016”,72});{"GA017”,64},{"GA018”,64},.編寫函數，將字符串ss中的所有下標為奇數的字母轉換為大寫如：輸入abc4EFg,則應輸出aBc4EFg#include<conio.h>#include<stdio.h>voidfun(char*ss)為奇數的字符刪除，s中剩余的字符形成新的串放在t所指的數組中#include<conio.h>ttinclude<stdio.h>#include<string.h>voidfun(char*s,chart[])voidmain(void){chartt[51];clrscr();printf(*\nPleaseenterancharacterstringwithin50characters:;gets(tt);printf(*\n\nAfterchanging,thestring\n%s”,tt);fun(tt);printf(z，\nbecomes\n%s”,tt);}答案inti;for(i=0;ss[i];i++)if(i%2==l&&ss[i]>=，a'&&ss[i]<=，z')ss[i]-=32;.編寫函數，將兩個兩位正整數a,b合并為一個整數放在c中,a的十位和個位放在c的千位和個位上，b的十位和個位放在c的百位和個位上如：當a=45,b=12,調用后c=4152^include<conio.h>^include<stdio.h>voidfun(inta,intb,long*c)main(){chars[100],t[100];clrscr();printfCr\nPleaseenterstringS:");scanf('%s”,s);fun(s,t);printf(*\nTheresultis:%s\n',t);}答案inti,j=0;for(i=0;ss[i];i++)if(i%2&&ss[i]%2==0)t[j++]=s[i];t[j]=，\0";50.N名學生的數據已存入a結構體數組中，編寫函數，將最高學生成績的記錄作為函數值返回(只有一個最高分)ttinclude<stdio.h>^include<string.h>ttinclude<conio.h>ttdefineN10typedefstructss{charnum[10];ints;}STU;voidfun(STUa[],STU*s)main(){inta,b;longc;clrscr();printf("Inputa,b:');scanf("%d%d”,&a,&b);fun(a,b,&c);printf("Theresultis:%d\n”,c);)答案*c=a/l0*1000+b/10*100+a%l0*10+b%10;49.編寫函數，將s所指的字符串中下標為偶數、同時ASCHmain(){STUa[N]={{"A01",81},{"A02”,89},{〃A03”,66},{"A04”,87},{"A05”,77},{"A06",90},{"A07",79},{"A08〃，61},{"A09”,80},{"A10",71}},m;inti;clrscr();printf("*****Theoriginaldata*****\n");for(i=0;i<N;i++)printf(*N0=%s Mark=%d\n*,a[i].num,a[i].s);fun(a,&m);printf("*****THERESULT*****\n");printf(^Thetop:%s,%d\n*,m.num,m.s);}答案inti,max=a[0].s;for(i=l;i<N;i++)if(max<a[i].s)*s=a[i];51.編寫函數，將所有大于1小于m的非素數存入XX所指的數組中，非素數的通過k傳回如:輸入17,則輸出9和4681012141516#include<conio.h>#include<stdio.h>voidfun(intm,int*k,intxx[])main(){intm,n,zz[100];clrscr();printf("\nPleaseenteranintegernumberbetween10and100:");scanf("%d",&n);fun(n,&m,zz);printf('\n\nThereare%dnon-primenumberslessthan%d:",m,n);for(n=0;n<m;n++)printf("\n%4d”,zz[n]);}答案inti,j,n=0;for(i=2;i<m;i++){for(j=2;j<i;j++)if(i%j==0)break;if(i!=j)xx[n++]=i;}*k=j;52.編寫函數，將兩個字符串連接(不使用庫函數strcat),即把p2連接到pl的尾部如：輸入兩字符串FirstStringSecondString則輸出:FirstStringSecondString#include<stdio.h>^include<conio.h>voidfun(charpl[],charp2[])main(){charsi[80],s2[40];clrscr();printf("Entersiands2:\n〃)；scanf("%s%s”,si,s2);printf("sl=%s\n”,si);printfCs2=%s\n*,s2);printf("Invokefun(si,s2):\n*);fun(si,s2);printf("Afterinvoking:\n*);printf("%s\n”,si);)答案for(i=0;pl[i];i++);for(j=0;p2[j];j++)pl[i++]=p2[j];pl[i]=0;53.編寫函數，實現B=A+'A',即把矩陣A加上'A',存放在B矩陣中如:輸入矩陣:轉置后的矩陣為45123 1476 258789 369輸出結果為：261061014101418^include<conio.h>??include<stdio.h>voidfun(inta[3][3],intb[3][3])main(){inta[3][3]={{l,2,3),{4,5,6},{7,8,9}},t[3][3];inti,j;clrscr();fun(a,t);for(i=0;i<3;i++){for(j=0;j<3;j++)printf(*%7d*,t[i][j]);printf("\n");))答案inti,j;for(i=0;i<3;i++)for(j=0;j<3;j++)t[i][j]=a[i][j]+a[j][i];54.主函數中，N名學生的數據放入結構體數組s中，編寫函數，將底于平均分的數組放在b所指的數組中，底于平均分的人數通過形參n傳回，平均分通過函數值返回#include<stdio.h>^defineN8typedefstruct{charnum[10];doubles;}STREC;doublefun(STREC*a,STREC*b,int*n){}main(){STRECs[N]={{"GA05",85}, {"GA03",76},{"GA02",69},{〃GA04”,85},{*GA0r,91},{"GA07〃，72},{"GA08",64},{"GA06",87));STRECh[N],t;FILE*out;inti,j,n;doubleave;ave=fun(s,h,&n);printf("The%dstudentdatawhichislowerthan%7.3f:\n”,rbave)for(i=0;i<n;i++)printf("%s%4.lf\n”,h[i].num,h[i].s);printf("\n");out=fopen("outl3.dat",〃w");fprintf(out,z，%d\n%7.3f\n”,n,ave);for(i=0;i<n;i++)for(j=i+l;j<n;j++)if(h[i].s>h[j].s){t=h[i];h[i]=h[j];h[j]=t;}for(i=0;i<n;i++)fprintf(out,“%4.lf\n”,h[i].s);fclose(out);}答案inti,j=0,ave=0;for(i=0;i<N;i++)ave+=a[i],s;ave/=N;for(i=0;i<N;i++)if(a[i].s<ave)b[j++]=a[i];*n=j;returnave;55.編寫函數，將M行N列的二維數組按行放到一維數組中，一維數組中的個數通過形參中的n所指的存儲單元中如:若二維數組中的數據為：3333 33 334444 44 445555 55 55 則一維數組中的內容為輸出333333334444444455555555ttinclude<stdio.h>voidfun(int(*s)[10],int*b,int*n,intmm,intnn)main(){int w[10][10] ={{33,33,33,33},{44,44,44,44},{55,55,55,55}},i,j;inta[100]={0},n=0;printf("Thematrix:\n*);for(i=0;i<3;i++){for(j=0;j<4;j++)printfC%3d\w[i][j]);printf("\n");}fun(w,a,&n,3,4);printf("TheAarray:\n*);for(i=0;i<n;i++)printf("%3d",a[i]);printf("\n\n〃);)答案inti,j,t=0;for(i=0;i<mm;i++)for(j=0;j<nn;j++)b[t++]=s[i][j];b[t]=\0J;*n=t;56.編寫函數，除尾部*外，其余的*都刪除如：輸出****A*BC*DEF*G*******則輸出：ABCDEFG*******ttinclude<stdio.h>ttinclude<conio.h>voidfun(char*a,char*p)()main(){chars[81],*t;printf("Enterastring:\nz/);gets(s);t=s;}n=fun(s,h,low,heigh);while(*t)printf("Thestudent'sdatabetween%d %d:t++;\n”,low,heigh);t一;for(i=0;i<n;i++)while(*t==，*')printf("%s%4d\n”,h[i].num,h[i].s);t—;printf('\n");fun(s,t);out=fopen("outl8.dat","w");printf(z，Thestringafterdeleted:Xn^);fprintf(out, n);puts(s);n=fun(s,h,80,98);}for(i=0;i<n-l;i++)答案for(j=i+l;j<n;j++)inti,j=O;char*t;if(h[i].s>h[j].s)for(t=a;*t;t++)if(*t!=,&&t<=pt>p)a[j++]=*t;{tt=h[i];a[j]=>\0f;h[i]=h[j];h[j]=tt;57.N名學生的數據在主函數中放入結構體數組S中，把指}定范圍內的數據放到數據中，范圍內的人數通過函數值返for(i=0;i<n;i++)回fprintf(out,"%4d\n”,h[i].s);如：fprintf(out,"\n");#include<stdio.h>fclose(out);^defineN16}typedefstruct答案{charnum[10];inti,j=0;ints;for(i=0;i<N;i++)}STREC;if(a[i].s>l&&a[i].s<h)b[j++]=a[i];intfun(STREC*a,STREC*b,int1,inth)returnj;(58.求n以內（不包括n）同時能被3和7整除的所有自然數}之和的平方根s,并作為函數值返回main()如：n為1000時，函數值為s=153.909064{STREC s[N]={{"GA005”,85}, {"GA003”,76},#include<conio.h>{"GA002”,69},{"GA004”,85},#include<math.h>{"GA001”,96}, {"GA007”,72}, {"GA008”,64},#include<stdio.h>{"GA006”,87},doublefun(intn){"GA015”,85}, {"GA013”,94}, {"GA012”,64},({"GA014”,91},{"GA011”,90}, {"GA017”,64}, {"GA018”,64},){"GA016”,72}};main()STRECh[N],tt;{ clrscr();FILE*out;printf(*s=%f\n*,fun(1000));inti,j,n,low,heigh,t;)printf("Enter2integernumberlow&heigh:答案")；inti;doubles=0;scanf("%d%d”,&low,&heigh);for(i=l;i<n;i++)if(heigh<low)if(i%3==0&&i%7==0)s+=i;{t=heigh;returnsqrt(s);heigh=low;low=t;59.編寫函數，將字符數組中的M個字符串（每串長度不超過N),按順序合并到一個一維數組中如:AAAABBBBBBCC則合并后的字符串的內容為AAAABBBBBBCC#include<stdio.h>TOC\o"1-5"\h\z^define M 3#define N 20voidfun(chara[M][N],char*b)main(