不开long long 见祖宗#2656: 蓝桥杯2022年第十三届省赛真题-刷题统计

#define _CRT_SECURE_NO_WARNINGS 1
#include<algorithm>
#include<iostream>
#include<sstream>
#include<cstring>
#include<cstdio>
#include<string>
#include<vector>
#include<queue>
#include<map>
#include<set>
#define MAX 0x3f3f3f3f
#define MIN -0x3f3f3f3f
using namespace std;
typedef long long ll;
int main() {
    ll a, b, n;
    cin >> a >> b >> n;
    //一周做count道
    ll count = a * 5 + b * 2;
    //做了几周
    ll week = n / count;
    //剩余的一周之内能做完的题目数量
    n %= count;
    int day = 0;
    for (int i = 1; i <= 7 && n > 0; i++) {
        if (i <= 5)n -= a;
        else n -= b;
        day++;
    }
    cout << week * 7 + day;
    return 0;
}