Submission #577118

#	Time	Username	Problem	Language	Result	Execution time	Memory
577118		eecs	A Game with Grundy (CCO20_day1problem1)	C++17	25 / 25	120 ms	12752 KiB

Main

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(0), cin.tie(0);
    int n, L, R, Y;
    cin >> n >> L >> R >> Y;
    map<int, int> mp;
    for (int i = 0, x, v, h; i < n; i++) {
        cin >> x >> v >> h;
        int l = max(1LL * L, x - (1LL * h * Y - 1) / v);
        int r = min(1LL * R, x + (1LL * h * Y - 1) / v);
        mp[l]++, mp[r + 1]--;
    }
    vector<int> res(n + 1);
    int lst = L, cur = 0;
    for (auto &p : mp) {
        res[cur] += p.first - lst;
        cur += p.second, lst = p.first;
    }
    res[cur] += R + 1 - lst;
    for (int i = 0; i <= n; i++) {
        if (i) res[i] += res[i - 1];
        cout << res[i] << "\n";
    }
    return 0;
}

• Subtask 1: 15 / 15
• Subtask 2: 10 / 10