题解 | #钓鱼比赛#

#include <iomanip>
#include <iostream>
#include <math.h>
using namespace std;

int main() {
    int m,n,x,y,t;
    while (cin >> m >> n >> x >> y >> t) { // 注意 while 处理多个 case
        double a[m][n],b = 0;
        for(int i = 0; i < m;i++)
           for(int j = 0;j<n;j++)
              cin >> a[i][j];
        b=0;
        for(int i = 0; i < m;i++)
           for(int j = 0;j<n;j++)
             b +=  (a[i][j] / m / n);
        if(a[x-1][y-1]  > b)
        {
            cout << "cc" << endl;
            cout<<fixed<<setprecision(2);
            cout<< 1 - pow((1-a[x-1][y-1]),t) <<endl;
        }  
        else if(a[x-1][y-1]  < b)
        {
            cout << "ss" << endl;
            cout<<fixed<<setprecision(2);
            cout<<  1 - pow((1-b),t)  <<endl;
        }
        else {
             cout << "equal" << endl;
             cout<<fixed<<setprecision(2);
             cout<< 1 - pow((1-a[x-1][y-1]),t)  <<endl;
        }
        
    }
}
// 64 位输出请用 printf("%lld")

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