NYOJ 604 小明的难题

地址：http://acm.nyist.net/JudgeOnline/problem.php?pid=604

#include <stdio.h>
int main()
{
    char ch,str[101];
    int n,i;
    scanf("%d",&n);
    getchar();
    while(n--)
    {
        gets(str);
        for(i = 0; str[i] != '\0'; i++)
        {
            if((i % 2 == 0)&&('a' <= str[i]&&str[i] <= 'z'))
            {
                printf("%c",str[i] - 32);
            }
            else
            printf("%c",str[i]);
        }
        printf("\n");
    }
}