281A题目网址

题目解析

1.字符串首字母大写

代码

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<math.h>
int main()
{char s[1000]={'\0'};scanf("%s",s);if(s[0]>='A'&&s[0]<='Z'){printf("%s",s);}else if(s[0]>='a'&&s[0]<='z'){s[0]-=32;printf("%s",s);}system("pause");return 0;
}