Submission #1305848

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Source Code Expand

#include <iostream>
#include <algorithm>
#include <climits>
#include <iomanip>
int N = 0, A = 0, B = 0;
int S = 0;
int main(void){
    int sum = 0;
    int max = 0;
    int min = INT_MAX;

    std::cin >> N >> A >> B;
    for(int i=0; i<N; ++i){
        std::cin >> S;
        sum += S;
        max = std::max(max, S);
        min = std::min(min, S);
    }
    double ave = 1.*sum/N;

    if(max == min){
        std::cout << -1 << "\n";
    }else{
        double P = 1.*B/(max-min);
        double Q = A - ave*P;

        std::cout << std::fixed << std::setprecision(8) << P << " " << Q << "\n";
    }
}

Submission Info

Judge Result