#include <stdio.h> int main () { int x; printf("输入一个整数:\n"); scanf("%d",&x); if(x%2!=0) printf("是奇数"); else printf("是偶数"); return 0; }
#include <stdio.h> int main () { int days; printf("输入一个整数:\n"); scanf("%d",&days); if(days>=1,days<=5) printf("workdays,fighting\n"); else if(days<8) printf("weekend, relax~\n"); else printf("Ooops, not in 1~7\n"); return 0; }
#include<stdio.h> int main() { char ch; printf("输入一个字符:\n"); scanf("%c", &ch); if(ch<97) printf("%c\n",ch); else ch=ch - 32; printf("%c\n",ch); return 0; }