poj 2654 Rock-Paper-Scissors Tournament

题目来源：http://poj.org/problem?id=2654

#include <iostream>
#include <cstdio>
#include <cstring>

using namespace std;

const int MAXN = 210;

int main()
{
    char m1[10], m2[10];
    int iWin[MAXN], iLose[MAXN], p1, p2, i, n, m, k = 0;
    while(~scanf("%d", &n) && n)
    {
        scanf("%d", &m);
        if(k)
            printf("\n");
        memset(iWin, 0, sizeof(iWin));
        memset(iLose, 0, sizeof(iLose));
        for(i = 0; i < m*n*(n-1)/2; ++i)
        {
            scanf("%d %s %d %s", &p1, m1, &p2, m2);
            if((!strcmp(m1, "rock") && !strcmp(m2, "scissors")) || (!strcmp(m1, "scissors") && !strcmp(m2, "paper")) || (!strcmp(m1, "paper") && !strcmp(m2, "rock")))
                iWin[p1]++, iLose[p2]++;
            if((!strcmp(m1, "rock") && !strcmp(m2, "paper")) || (!strcmp(m1, "paper") && !strcmp(m2, "scissors")) || (!strcmp(m1, "scissors") && !strcmp(m2, "rock")))
                iWin[p2]++, iLose[p1]++;
        }
        for(i = 1; i <= n; ++i)
            if(iWin[i] + iLose[i])
                printf("%.3lf\n", (double)iWin[i]/(iWin[i] + iLose[i]));
            else
                printf("-\n");
        ++k;
    }
    return 0;
}