qq_45592455的博客

#include<stdio.h>int main(){ int score; printf("Your score:"); scanf("%d",&score); printf("Your grade:"); switch(score/10) { case 10: case 9:printf("A\n");break; case 8:printf("B\n");break; case 7:printf("C\n");break; case 6:printf("

#include<stdio.h>int main(){ char s[100]; printf("请输入字符串:\n"); gets(s); fun(s); printf("转换后字符串:\n%s\n",s); return 0;}int fun(char s[]){ int i; for(i=0;s[i]!=0;i++) if(s[i]>='a'&&s[i]<='z') s[i]=s[i]-32; else if(s[

#include<stdio.h>int leap(int a){ if(a%4==0&&a%100!=0||a%400==0) return 1; else return 0;}int number(int year,int m,int d){ int sum=0,i; int a[12]={31,28,31,30,31,30,31,31,30,31,30,31}; int b[12]={31,29,31,30,31,30,31,31,30,31,3

#include<stdio.h>#define A 70.5#define B 59.5#define C 48.5#define D 40#define F 0.1#define S 0.15#define T 0.2#include<math.h>int main(){ char grade; float x,y,z,w; printf("Your grade and your working time:"); scanf("%c,%

#include<stdio.h>int main(){ int a[10],i,j,t; printf("请输入十个整数:\n"); for(i=0;i<10;i++) scanf("%d",&a[i]); printf("\n"); for(j=0;j<10;j++) for(i=0;i<9-j;i++) if(a[i]<a[i+1]) { t=a[i]; a[i]=a[i+1]; a[i+1]=t;

#include<stdio.h>int main(){ int i,j,n=0; for(i=1;i<=9;i++) { for(j=1;j<=9;j++,n++) { printf("%d\t",i*j); } printf("\n"); } return 0;}#include<stdio.h>int main(){ int i,j,n=0; for(i=1;i<=9;i++) { for(j=1;j

#include<stdio.h>int main(){ int a[10];int i,g,t; printf("输入10个学生的成绩:\n"); for(i=0;i<10;i++) scanf("%d",&a[i]); printf("\n"); for(g=0;g<9;g++;) if(a[i]>=60) t=t+1; printf("及格人数:%d",t); return 0;}...

C语言入门三个整数比大小三个整数比大小#include<stdio.h>int main(){ int a,b,c,m; printf("请输入三个整数:\n"); scanf("%d %d %d",&a,&b,&c); if(a>b) m=a; else m=b; if(c>m) m=c; printf("max=%d\n",m);}`...

#include<stdio.h>int main(){ int a; printf("请猜一个0-9之间的整数。\n"); do { printf("是多少呢:"); scanf("%d",&a); if(a==7) printf("回答正确!\n"); if(a<7) printf("再大一点!\n"); if(a>7) printf("再小一点!\n"); } while(a!=7); return 0;}