제출 #936927

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
936927	2024-03-03 04:03:02	emanIaicepsa	Group Photo (JOI21_ho_t3)	C++14	64 / 100	5020 ms	98192 KiB

Main

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#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define dbg(...) cerr<<#__VA_ARGS__<<" = ";_do(__VA_ARGS__);
template<typename T> void _do(T x){cerr<<x<<"\n";}
template<typename T,typename ...U> void _do(T x,U ...y){cerr<<x<<", ";_do(y...);}
signed main(){
    ios::sync_with_stdio(0), cin.tie(0);
    int N;
    cin >> N;
    vector<int> arr(N + 1), pos(N + 1);
    for (int i = 1; i <= N; i++) cin >> arr[i], pos[arr[i]] = i; 
    vector<vector<int>> dp(N + 1, vector<int>(N + 1, 0));
    dp[1][1] = 0;
    auto inv = [&](int up, int val, int p) -> int {
        int cnt = 0;
        for (int i = val; i <= up; i++) {
            if (pos[i] < p) cnt++;
        }
        for (int i = 0; i < val; i++) {
            if (pos[i] > p) cnt++;
        }
        return cnt;
    };
    for (int i = 2; i <= N; i++) {
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 32 / 32
• Subtask 4: 20 / 20
• Subtask 5: 0 / 36