poj2014

简单题

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

int m;

void input()
{
    int now = m;
    int d = 0;
    int nowd = 0;
    int maxnow = 0;
    int x, y;
    while (scanf("%d%d", &x, &y), !(x == -1 && y == -1))
        if (now + x > m)
        {
            now = x;
            maxnow = max(maxnow, now);
            d += nowd;
            nowd = y;
        }
        else
        {
            now += x;
            maxnow = max(maxnow, now);
            nowd = max(nowd, y);
        }
    d += nowd;
    printf("%d x %d\n", maxnow, d);
}

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