Submission #1261651

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Source Code Expand

#define _CRT_SECURE_NO_WARNINGS
#include <algorithm>
#include <cstdio>

using namespace std;

int main()
{
    double N, H, B, D, E;
    long long int A, C;

    // 計算を double で行う
    if (scanf(
        "%lf%lf%lld%lf%lld%lf%lf",
        &N, &H, &A, &B, &C, &D, &E) < 7) return 0;

    long long int value = N * A;
    for (int i = 0; i < N; i++)
    {
        long long int X, Y;

        X = i;

        // H + B * X + D * Y - (N - X - Y) * E > 0
        // 計算を double で行う
        Y = (long long int)
            (((-1.0 * (B + E) * X + N * E - H) / (D + E)) + 1.0);

        value = min(value, A * X + C * Y);
    }

    printf("%lld\n", value);
    return 0;
}

Submission Info

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