随笔分类 - C 程序
摘要：#include<stdio.h>int main(){ float score,aver,s=0; int i,n=0; for(i=1;i<5;i++) { printf("please enter score:"); scanf("%f",&score); if(score<60) { printf("%7.2f\n",score); continue; } s=s+score; n=n+1; } aver=s/n; printf("%d,%7.2f\n",n,aver); r
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摘要：#include<stdio.h>int main(){ long int f1,f2; int i; f1=1;f2=1; for(i=1;i<=20;i++) { printf("%12ld%12ld",f1,f2); if(i%2==0) printf("\n"); f1=f1+f2; f2=f2+f1; } return 0;}结果： 1 1 2 3 5 8 13 21 34 ...
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摘要：注意分析n,循环次数与n不一样，要减一#include<stdio.h>int main(){ float score,sum=0,average; int i,n; for(i=1;i<31;i++) { scanf("%f",&score); if(score<0) break; sum=sum+score; } n=i-1; average=sum/n; printf("%d\n%f\n",n,average); return 0;}
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摘要：#include<stdio.h>int main(){ double p=1.30756e9,r=0.01; int y; for(y=2006;p<1.5e9;y++) { p=p*(1+r); } printf("%d\n%e\n",y-1,p); return 0;}
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摘要：#include<stdio.h>int main(){ float amount,sum=0; do{ scanf("%f",&amount); sum=sum+amount; }while(sum<10000); printf("%f\n",sum); return 0;}
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摘要：运用do,while语句输出#include<stdio.h>int main(){ int a,b,c,d; while(scanf("%d",&a)!=EOF) { do{ b=a%10; a=a/10; printf("%d",b); }while(a!=0); printf("\n"); } return 0;}
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摘要：运用do,while语句，逐个输出。#include<stdio.h>int main(){ int a,b,c,d; while(scanf("%d",&a)!=EOF) { do{ b=a%10; a=a/10; printf("%d\n",b); }while(a!=0); } return 0;}
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摘要：其中还有闰年的求法#include<stdio.h>int main(){ int a[12]={31,28,31,30,31,30,31,31,30,31,30,31}; int m,i,n,b,c; while(scanf("%d/%d/%d",&n,&b,&c)!=EOF) { m=0; if((n%4==0&&n%100!=0)||(n%400==0)) a[1]=29; else a[1]=28; ...
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摘要：用switch结构#include<stdio.h>int main(){ char x; scanf("%c",&x); switch(x) { case 'A':printf("85~100\n"); case 'B':printf("70~84\n"); case 'C':printf("60~69\n"); case 'D':printf("<60\n"); default :printf(&quo
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摘要：#include<stdio.h>#include<math.h>#define PI 3.1415927int main(){ double a,v; while(scanf("%lf",&a)!=EOF) { v=(4.0/3.0)*PI*a*a*a; printf("%.3f\n",v); } return 0;}
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摘要：#include<stdio.h>#include<math.h>int main(){ float x1,x2,y1,y2; float m; while(scanf("%f%f%f%f",&x1,&x2,&y1,&y2)!=EOF) { m=sqrt((float)((x1-y1)*(x1-y1)+(x2-y2)*(x2-y2))); printf("%.2f\n",m); } return 0;}
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摘要：getchar()是应为换行，还有指针#include<stdio.h>#include<string.h>int main(){ void swap(char*q1,char*q2); char a,b,c; char *p1,*p2,*p3; while(scanf("%c%c%c",&a,&b,&c)!=EOF) { getchar(); p1=&a; p2=&b; p3=&c; if(*p1>*p2)swap(p1,p2); if(*p1>*p3)swap(p1,p3); ...
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摘要：#include<stdio.h>int main(){int j=16,h=40,z,w;z=h/2-j;w=j-z;printf("兔数是：%d\n鸡数是:%d\n",z,w);return 0;}首先是分析，运用代数知识可知，Z=h/2-j;w=j-z;然后输出即可
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摘要：定义个函数，求最大的数，主函数再调用实现#include<stdio.h>int big(int a,int b){ int c; if(a>b) c=a; else c=b; return c;}int main(){ int a,b; while(scanf("%d%d",&a,&b)!=EOF) { printf("%d\n",big(a,b)); } return 0;}
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摘要：题意:分析：View Code #include<stdio.h>int main(){ int t,h,Ai,Bi,i,j; while(scanf("%d",&t)!=EOF) { while(scanf("%d%d",&Ai,&Bi)!=EOF) { for(i=1;i<=Bi;i++) { printf(">+"); for(j=1;j<=Ai-2;j++) { ...
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