C語言實驗報告冊答案實驗一1#include<stdio.h>voidmain(){inta,b,c;scanf("%d,%d,%d",&a,&b,&c);printf("sum=%d\n",a+b+c);}2#include<stdio.h>voidmain(){inta,b,he,cha,ji,shang;scanf("%d,%d",&a,&b);he=a+b;cha=a-b;ji=a*b;shang=a/b;printf("he=%d\n",he);printf("cha=%d\n",cha);printf("ji=%d\n",ji);printf("shang=%d\n",shang);}3#include<stdio.h>voidmain(){inta,b,c,d,e,sum;scanf("%d,%d,%d,%d,%d",&a,&b,&c,&d,&e);sum=a*a+b*b+c*c+d*d+e*e;printf("sum=%d\n",sum);}5#include<stdio.h>#definePI3.14159voidmain(){floatr,l,s;printf("請輸入圓半徑(r):");scanf("%f",&r);l=2*PI*r;s=r*r*PI;printf("\n圓周長l=%6.2f\n",l);printf("圓面積s=%6.2f\n",s);}6#include<stdio.h>voidmain(){printf("\"whatabeautifulcampus!\"\n");printf("\"Iwishyoueverysuccess!\"\n");}實驗二1#include<stdio.h>voidmain(){inta,b,c;floatx;scanf("a=%d,b=%d,c=%d,x=%f",&a,&b,&c,&x);printf("%f",a*x*x*x+b*x*x+c);}2#include<stdio.h>voidmain(){inta,b;scanf("a=%d,b=%d",&a,&b);printf("ji=%d,shang=%d,yushu=%d",a*b,a/b,a%b);}3#include"stdio.h"voidmain(){ floatC,F; scanf("%f",&F); C=5.0/9*(F-32); printf("%f",C);}4#include<stdio.h>#definePI3.14159voidmain(){floatr,l,s;printf("請輸入圓半徑(r):");scanf("%f",&r);l=2*PI*r;s=r*r*PI;printf("\n圓周長l=%6.2f\n",l);printf("圓面積s=%6.2f\n",s);}5#include<stdio.h>voidmain(){floatc=3.123456789;printf("%f",c);}實驗三1#include<stdio.h>voidmain(){inta=3,b=4,c=5;floatx=1.414,y=1.732,z=2.712;printf("a=%-7db=%-7dc=%-7d\nx=%-7.3fy=%-7.3fz=%-7.3f",a,b,c,x,y,z);}2#include<stdio.h>voidmain(){inta,b,c;floatx,y,z;scanf("%d",&a);scanf("%d",&b);scanf("%d",&c);scanf("%f",&x);scanf("%f",&y);scanf("%f",&z);printf("a=%d,b=%d,c=%d\nx=%.3f,y=%.3f,z=%.3f,\n",a,b,c,x,y,z);}3#include<stdio.h>voidmain(){inta,b,c;floatx,y,z;scanf("%d",&a);scanf("%d",&b);scanf("%d",&c);scanf("%f",&x);scanf("%f",&y);scanf("%f",&z);printf("a=%d,b=%d,c=%d\nx=%.3f,y=%.3f,z=%.3f,\n",a,b,c,x,y,z);}4#include<stdio.h>voidmain(){charc1,c2,c3,c4;scanf("%c%c%c%c",&c1,&c2,&c3,&c4);printf("%d,%d,%d,%d",c1,c2,c3,c4);}5#include<stdio.h>voidmain(){ intd1=60,d2=61,d3=62,d4=63; printf("%c%c%c%c",d1+5,d2+5,d3+5,d4+5);}6#include<stdio.h>voidmain(){intm=12345678,n=3456789;printf("m=%dn=%d",m,n);}7#include<stdio.h>voidmain(){inta=20,b=64,c=127;printf("a=%d,%o,%x\n",a,a,a);printf("b=%d,%o,%x\n",b,b,b);printf("c=%d,%o,%x\n",c,c,c);}8#include<stdio.h>voidmain(){floatx,y,z;x=1.414;y=1.732;z=2.712;printf("%6.2f,%6.2f,%6.2f",x,y,z);}9#include"stdio.h"voidmain(){ floata; a=1.0/3; printf("%0.6f%%\n",a);}10#include<stdio.h>voidmain(){ inta,b,a=getchar(b=getchar()c=getchar();a=a+32;b=b+32;c=c+32;putchar(a);putchar(b);putchar(c);}實驗四1#include<stdio.h>voidmain(){ inta,b,c,max; scanf("%d,%d,%d",&a,&b,&c); max=a; if(a<b) max=b; if(b<c) max=c; printf("%d",max);} 2#include<stdio.h>voidmain(){ intx,y; scanf("%d",&x); if(x<1) y=x; else if(x<10) y=2*x-1; else y=3*x-11; printf("%d\n",y);}3#include<stdio.h>voidmain(){ intgrade; printf("Pleaseenterthegrade"); scanf("%d",&grade); if(grade<=100&&grade>=90) printf("A"); elseif(grade<=89&&grade>=80) printf("B"); elseif(grade<=79&&grade>=70) printf("C"); elseif(grade<=69&&grade>=60) printf("D"); elseif(grade<60) printf("E");}4#include<stdio.h>voidmain(){ inta,b,c,d,e,f,g,h; scanf("%d",&f); a=f/10000; b=f/1000%10; c=f/100%10; d=f/10%10; e=f%10; if(f/10>0) { if(f/100>0) { if(f/1000>0) { if(f/10000>0) g=5; elseg=4; } elseg=3; } elseg=2; } elseg=1; printf("g=%d\n",g); printf("a=%d\nb=%d\nc=%d\nd=%d\ne=%d\n",a,b,c,d,e); printf("h=%d%d%d%d%d\n",e,d,c,b,a);}5#include<stdio.h>#include<math.h>voidmain(){floata,b,c,p,q,t,x1,x2;printf("inputa,b,c:");scanf("%f,%f,%f",&a,&b,&c);if(a==0.)printf("a==0!!!return.");else{p=-b/(2.*a);t=b*b-4*a*c;q=sqrt(fabs(t))/(2.*a);if(t==0.)printf("\nx1=x2=%-f",p);elseif(t>0.)printf("\nx1=%-f,x2=%-f\n",p+q,p-q);elseprintf("\nx1=%-f+%fi,x2=%-f-%fi\n",p,q,p,q);}}實驗五1#include<stdio.h>voidmain(){inti,sum;i=1,sum=0;while(i<=100){sum=sum+i;i++;}printf("%d\n",sum);}2#include<stdio.h>voidmain(){inti,j,sum;i=1,j=1,sum=0;for(i=1;i<=10;i++){ j=j*i; sum=sum+j; printf("%d\n",sum);}printf("%d\n",sum);}3#include<stdio.h>#include<math.h>voidmain(){ ints; floatn,t,p; t=1;p=0;n=1.0;s=1; do { p=p+t;n=n*n+1; s=-s;t=s/n; } while(fabs(t)>1e-5); printf("p=%10.6f\n",p);}實驗六1#include<stdio.h>voidmain(){ intsum=0,mul=1; inti; for(i=1;i<=10;i++) { mul*=i; sum+=mul; } printf("1!+2!+3!....10!=%d\n",sum);}2#include<stdio.h>voidmain(){ inti,j,k; for(i=1;i<=9;i++) { for(j=1;j<=i;j++) { k=j*i; printf("%2d*%2d=%2d",i,j,k); } printf("\n"); }}3#include<stdio.h>voidmain(){ inti,j,k; for(i=0;i<=9;i++) { for(j=0;j<=8-i;j++) printf(""); for(k=0;k<=2*i;k++) printf("*"); printf("\n"); } for(i=0;i<=8;i++) { for(j=0;j<=i;j++) printf(""); for(k=0;k<=16-2*i;k++) printf("*"); printf("\n"); }}4#include<stdio.h>voidmain(){inti,j,k;for(i=0;i<=20;i++)for(j=0;j<=33;j++){k=100-i-j;if(5*i+3*j+k/3==100&&k%3==0&&(i+j+k==100))printf("%d,%d,%d\n",i,j,k);}}5#include<stdio.h>voidmain(){intsum=0,s=0,i;scanf("%d",&i);while(i<=5){s=s+i;sum=sum+s;i++;}printf("sum=%d\n",sum);}試驗七1#include<stdio.h>#include<stdlib.h>#include<time.h>voidmain(){inti,a[15];for(i=0;i<15;i++)a[i]=rand()%100;for(i=0;i<15;i++){printf("%d",a[i]);if((i+1)%5==0)printf("\n");}}2#include<stdio.h>voidmain(){inta[10],i,max,min,sum=0,s=0;floatt;for(i=0;i<10;i++)scanf("%d",&a[i]);printf("\n");max=a[0],min=a[1];for(i=0;i<10;i++)if(a[i]>max) max=a[i];for(i=0;i<10;i++)if(a[i]<min) min=a[i];for(i=0;i<10;i++){s=s+a[i];t=s/10;}for(i=0;i<10;i++)if(a[i]>t)sum=sum+1;printf("%d,%d,%d\n",max,min,sum);}3#include"stdio.h"voidmain(){ inti; intf[20]={0,1,1}; for(i=0;i<=19;i++) { f[i+3]=f[i+2]+f[i+1]+f[i]; printf("%d,",f[i]); }}4#include<stdio.h>voidmain(){inta[5]={67,89,76,98,66};intb[5],i,j;for(i=0;i<=4;i++){ j=4-i; b[j]=a[i];}for(j=0;j<=4;j++) printf("%d",b[j]);}5#include<stdio.h>voidmain(){inti,j,max,a[10],t;printf("Pleaseenterdata:");for(i=0;i<=9;i++)scanf("%d",&a[i]);for(i=0;i<=9;i++){max=i;for(j=i+1;j<=9;j++)if(a[max]<a[j])max=j;t=a[i];a[i]=a[max];a[max]=t;}printf("Theresultis:");for(i=0;i<=9;i++)printf("%d",a[i]);printf("\n");}實驗八1#include"stdio.h"voidmain(){ inta[9],f[3][3]; inti,j,t; for(i=0;i<9;i++) scanf("%d",&a[i]); i=0; for(t=0;t<3;t++) {for(j=0;j<3;j++) { f[t][j]=a[i]; i++; printf("%d",f[t][j]); }printf("\n"); }}2#include<math.h>#definem3#definen4voidmain(){longa?[n+1];inti,j;for(i=0;i<m;i++){a[i][n]=0;for(j=0;j<n;j++){a[i][j]=rand();a[i][n]=a[i][n]+a[i][j];printf("%8ld",a[i][j]);}printf("%8ld\n",a[i][n]);}}3#include<math.h>#definem3#definen4main(){longa?[n];inti,j,row=0,col=0;for(i=0;i<m;i++){for(j=0;j<n;j++){a[i][j]=rand();printf("%8ld",a[i][j]);if(a[row][col]<a[i][j]){row=i;col=j;}}printf("\n");}printf("\nmax=%ldrow=%dcol=%d\n",a[row][col],row+1,col+1);}4voidmain(){floata[100][2],temp,temp1;inti,j,p,n;printf("\ninputnumberofstudentn=");scanf("%d",&n);for(i=0;i<n;i++){printf("\ninputnum,scoreof%dthstudent:",i+1);scanf("%f,%f",&temp1,&temp);a[i][0]=temp1;a[i][1]=temp;}for(i=0;i<n-1;i++){p=i;for(j=i+1;j<n;j++)if(a[p][1]<a[j][1])p=j;if(p!=i){temp=a[p][1];a[p][1]=a[i][1];a[i][1]=temp;temp=a[p][0];a[p][0]=a[i][0];a[i][0]=temp;}}printf("\ninputadmittablenumber:");scanf("%d",&p);printf("\noutputnamelist:\n");for(i=0;i<p;i++)printf("%10.0f%10.1f\n",a[i][0],a[i][1]);}5#include<stdio.h>voidmain(){ inta[4][4]; inti,j; for(i=0;i<4;i++) { for(j=0;j<4;j++) { if(i==j) a[i][j]=1; elsea[i][j]=0; } } for(i=0;i<4;i++) { for(j=0;j<4;j++) { printf("%d",a[i][j]); } printf("\n"); } printf("\n");}實驗九1#include"stdio.h"longfun(intK){ intfact=1,i;for(i=1;i<=K;i++) fact*=i; returnfact;}voidmain(){ intm,n; longk1,k2,k3; printf("inputm,n:"); scanf("%d,%d",&m,&n); k1=fun(m); k2=fun(n); k3=fun(n-m); printf("fact=%f\n",k2/(k1*k3*1.0));}2#include<stdio.h>longIS_sum(intn){inti;longintf1,f2,f3,sum;f1=f2=1;sum=0;for(i=1;i<=n;i++){ f3=f1+f2; sum=sum+f3;printf("%12ld%12ld",f1,f2);f1=f1+f2;f2=f2+f1;}return(sum);}voidmain(){intN;longsum;printf("Inputn:");scanf("%d",&N);sum=IS_sum(N);printf("\n");printf("sum=%ld,average=%f\n",sum,sum/(N*1.0));}3#include"stdio.h"#include"m