SRM 600 div 2 T 1

 

贪心+枚举

#include <bits/stdc++.h>

using namespace std;

class TheShuttles {

public:

int getLeastCost( vector <int> cnt, int baseCost, int seatCost );

};

int Maxn1,MAXN1;

int TheShuttles::getLeastCost(vector <int> cnt, int baseCost, int seatCost) {

    for (int i = 0; i < cnt.size(); i ++){

        Maxn1 = max(Maxn1, cnt[i]);

    }

    for (int i = 1; i <= Maxn1; i ++){

        int sum = 0;

        for (int j = 0; j < cnt.size(); j ++){

            sum = ((cnt[j] - 1) / i + 1) + sum;

        }

        if ((i * seatCost + baseCost) * sum < MAXN1)

            MAXN1 = (i * seatCost + baseCost) * sum;

    }

    return MAXN1;

}