제출 #983376

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
983376		elitewantsyou	이상한 기계 (APIO19_strange_device)	C++14	0 / 100	5065 ms	524288 KiB

strange_device

#include <bits/stdc++.h>
#define ft first
#define sd second
#define pb push_back
#define nl "\n"
#define int ll
typedef long long ll;
typedef long double ld;
using namespace std;
const int N = 1000100;

int n, a, b;

void solve() {
    cin >> n >> a >> b;
    int S = 0;
    map<int, int> mp;
    int R;
    for (int i = 0; i < n; i++) {
        int l, r;
        cin >> l >> r;
        R = r;
        S += (r - l + 1);
        for (int j = l; j <= r; j++) {
            mp[j] = 1;
        }
    }
    for (auto j : mp) {
        if (j.sd == 0) continue;
        int t = j.ft;
        int k = 0;
        while(t + b * (k + 1) <= R) {
            k++;
            if (mp.find(t + b * k) != mp.end() && mp[t + b * k] == 1 && (b + 1) * k % a == 0) {
                S--;
                mp[t + b * k] = 0;
                //cout << t << ' ' << t + b * k << nl;
            }
        }
    }
    cout << S << nl;
}

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int T = 1;
    while(T--) {
        solve();
    }
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 5
• Subtask 3: 0 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20
• Subtask 8: 0 / 30