UVA 11489 - Integer Game(找规律)

#include <cstdio>
#include <cstring>
#include <string>
#include <cmath>
#include <ctime>
#include <cstdlib>
#include <iostream>
using namespace std;
char str[1001];
int flag[4];
int main()
{
int t,cas = 1,i,len,sum,ans;
scanf("%d",&t);
while(t--)
{
memset(flag,0,sizeof(flag));
scanf("%s",str);
len = strlen(str);
ans = 0;
sum = 0;
for(i = 0;i < len;i ++)
{
flag[(str[i]-'0')%3] ++;
sum += (str[i]-'0')%3;
}
printf("Case %d: ",cas++);
if(flag[sum%3])
{
flag[sum%3] --;
ans ++;
}
else
{
printf("T\n");
continue;
}
if((ans + flag[0])%2 == 1)
printf("S\n");
else
printf("T\n");
}
return 0;
}