Submission

Score: 100

User: tl.cpp

Problemset: Slowly Express

Language: cpp

Time: 0.004 second

Submitted On: 2026-08-05 14:15:31

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int n;
int sum;

int main() {
    ios::sync_with_stdio(0), cin.tie(0);

    while (1) {
        cin >> n;
        int car = 0;
        if (n < 0) return 0;
        sum += n;
        while (sum >= 500) {
            if (sum < 800) {
                sum = 0;
                car++;
                continue;
            }
            sum -= 800;
            car++;
        }
        cout << car << '\n';
    }
}