oj.uz

답안 #464990

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
464990 2021-08-14T20:04:04 Z TeaTime Money (IZhO17_money) C++17
0 / 100
 0 ms 204 KB 
//#pragma GCC optimize("O3")
//#pragma GCC target("avx2")
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <unordered_map>

using namespace std;

#define fastInp cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0);

typedef long long ll;
typedef long double ld;

#define int ll
const ll SZ = 1e6 + 10, INF = 1e9;
ll n, m, q;
vector<ll> vec;

signed main() {
    fastInp;

    cin >> n;

    vec.resize(n);
    ll ans = 0;
    for (auto& c : vec) cin >> c;

    vector<ll> used(n + 1);
    for (int i = 0; i < n; i++) {
        //pos[vec[i] - 1] = i;
        vec[i]--;
    }
    multiset<ll> er;
    for (int i = 0; i < n; i++) er.insert(vec[i]);
    er.insert(INF);
    used[n] = 1;
    while (vec.size()) {
        ans++;
        ll cur = vec.back();
        vector<ll> ltr;
        ltr.push_back(cur);
        vec.pop_back();

        while (vec.size() > 0 && (*(++er.lower_bound(vec.back()))) == cur) {
            ltr.push_back(vec.back());
            cur = vec.back();
            vec.pop_back();
        }

        for (auto c : ltr) er.erase(er.find(c));
    }

    cout << ans;

    return 0;
}

Subtask #1
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Incorrect 0 ms 204 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Incorrect 0 ms 204 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Incorrect 0 ms 204 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Incorrect 0 ms 204 KB Output isn't correct
5 Halted 0 ms 0 KB -