UVA 815(p99)----Flooded!

最新推荐文章于 2018-11-02 09:13:00 发布

原创最新推荐文章于 2018-11-02 09:13:00 发布 · 363 阅读

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算法竞赛入门经典（第二版）----函数和递归专栏收录该内容

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#include<bits/stdc++.h>
#define N n*m
#define debu
using namespace std;
const int maxn=1000;
int n,m;
double a[maxn];
int main()
{
#ifdef debug
    freopen("in.in","r",stdin);
#endif
    int cas=0,ans;
    double tot=0.0;
    while(scanf("%d%d",&n,&m)==2&&n)
    {
        for(int i=0; i<N;i++)
                scanf("%lf",&a[i]);
        scanf("%lf",&tot);
        tot/=100.0;
        sort(a,a+N);
        a[N]=9999999.0;
        for(int i=1; i<=N; i++)
        {
            tot+=a[i-1];
            if(tot/(double)i<=a[i])
            {
                ans=i;
                break;
            }
        }
        printf("Region %d\n",++cas);
        printf("Water level is %.2f meters.\n",tot/(double)ans);
        double tmp=(double)ans*100.0/(n*m);
        printf("%.2f percent of the region is under water.\n\n",tmp);
    }
    return 0;
}

题目地址：https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=756