Codeforces 466A Cheap Travel(水题)

题目链接：Codeforces 466A Cheap Travel

题目大意：坐n次地铁，m张票卖b元，单张a元，问最小花费。

解题思路：水题。

#include <cstdio>#include <cstring>#include <algorithm>using namespace std;int main () {    int n, m, a, b;    scanf("%d%d%d%d", &n, &m, &a, &b);    int k = n / m, ans = 0;    ans = min(k * m * a, k * b);    k = n % m;    ans += min(k * a, b);    printf("%d\n", ans);    return 0;}