CF1301A- Three Strings

对应位要么全相等，要么ac，bc有一个相等，ab不行。

#include <cstdio>
#include <cstring>
using namespace std;
char a[110],b[110],c[110];
int len,T;
bool suc;
bool check(char a,char b,char c)
{
    if ((a == b && b == c) || (a == c) || (b == c))
        return true;
    return false;
}
int main()
{
    for (scanf("%d",&T);T;T--)
    {
        suc = true;
        scanf("%s%s%s",a + 1,b + 1,c + 1);
        len = strlen(a + 1);
        for (int i = 1;i <= len;i++)
            if (!check(a[i],b[i],c[i]))
            {
                suc = false;
                break;
            }
        if (suc == true)
            printf("YES
");
        else
            printf("NO
");
    }
    return 0;
}