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답안 #747468

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
747468 2023-05-24T08:08:08 Z vjudge1 Kralj (COCI16_kralj) C++17
56 / 140
 2000 ms 50692 KB 
#include "bits/stdc++.h"
#define ll long long
using namespace std;
const ll mod = 1000000007;

vector<int> v[500001];
vector<int> vec;
set<int> s;
int ans;

void solve() {
    for(int i : vec) {
        auto it = s.upper_bound(i);
        if(it != s.end()) {
            ans++;
            s.erase(it);
        }
        else
            s.erase(s.begin());
    }
    vec.clear();
}

signed main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n;
    cin >> n;
    int a[n], b[n], c[n], be[n] = {}, en[n] = {};
    for(int i = 0; i < n; i++) {
        cin >> a[i];
        be[a[i] - 1]++;
    }
    int x = 0;
    for(int i = 0; i < n; i++) {
        if(be[i]) {
            en[(i + be[i] - 1) % n]++;
            if(i + be[i] - 1 >= n)
                x++;
        }
    }
    int st = 0;
    for(int i = 0; i < n; i++) {
        x += (be[i] > 0);
        if(be[i] && x == 1)
            st = i;
        x -= en[i];
    }
    for(int i = 0; i < n; i++)
        cin >> b[i];
    for(int i = 0; i < n; i++) {
        cin >> c[i];
        v[a[i] - 1].push_back(c[i]);
    }
    for(int i = 0; i <= n; i++) {
        if(be[st])
            solve();
        for(int j : v[st])
            s.insert(j);
        vec.push_back(b[st]);
        st++;
        st %= n;
    }
    cout << ans;

    return 0;
}

Subtask #1
56.0 / 140.0

# 결과 실행 시간 메모리 Grader output
1 Correct 858 ms 43720 KB Output is correct
2 Correct 677 ms 42972 KB Output is correct
3 Correct 869 ms 49772 KB Output is correct
4 Correct 933 ms 50692 KB Output is correct
5 Execution timed out 2062 ms 24520 KB Time limit exceeded
6 Execution timed out 2054 ms 25296 KB Time limit exceeded
7 Execution timed out 2016 ms 28364 KB Time limit exceeded
8 Execution timed out 2044 ms 27568 KB Time limit exceeded
9 Execution timed out 2013 ms 28960 KB Time limit exceeded
10 Execution timed out 2041 ms 26508 KB Time limit exceeded