poj3112

简单题

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <cstring>
using namespace std;

#define maxn 1005

int n, m, p;
int ans;
int f[maxn];

void work()
{
    ans = 0;
    memset(f, 0, sizeof(f));
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < m; j++)
        {
            int a;
            scanf("%d", &a);
            if (a)
                f[j]++;
            else if (f[j] != 0)
            {
                if (f[j] >= p)
                    ans++;
                f[j] = 0;
            }
        }
    }
    for (int i = 0; i < m; i++)
        if (f[i] >= p && f[i] != 0)
            ans++;
    printf("%d\n", ans);
}

int main()
{
    //freopen("t.txt", "r", stdin);
    while (scanf("%d%d%d", &m, &n, &p), n | m | p)
    {
        work();
    }
    return 0;
}