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답안 #873167

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
873167 2023-11-14T15:00:45 Z tvladm2009 Baloni (COCI15_baloni) C++17
0 / 100
 2000 ms 97104 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

const int N = 1e6 + 7;

int n;
int a[N];
bool vis[N];
set<int> s[N];
int h = 0;

int get_nxt(int pos, int val) {
    pos++;
    auto it = s[val].lower_bound(pos);
    if (it == s[val].end()) {
        return -1;
    }
    return *it;
}

void dfs(int i) {
    vis[i] = 1;
    --h;
    int j = get_nxt(i, h);
    if (h == 0) {
        return;
    }
    if (j == -1) {
        j = i;
        --h;
    }
    if (h == 0) {
        return;
    }
    dfs(j);
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin >> n;
    for (int i = 1; i <= n; ++i) {
        cin >> a[i];
        s[a[i]].insert(i);
    }
    int ans = 0;
    for (int i = 1; i <= n; ++i) {
        if (!vis[i]) {
            h = a[i];
            dfs(i);
            ++ans;
        }
    }
    cout << ans << "\n";
    return 0;
}

Subtask #1
0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 11 ms 49756 KB Output isn't correct
2 Incorrect 12 ms 49756 KB Output isn't correct
3 Incorrect 13 ms 50092 KB Output isn't correct
4 Incorrect 14 ms 50008 KB Output isn't correct
5 Execution timed out 2067 ms 92444 KB Time limit exceeded
6 Execution timed out 2079 ms 97104 KB Time limit exceeded
7 Execution timed out 2041 ms 88932 KB Time limit exceeded
8 Execution timed out 2028 ms 88404 KB Time limit exceeded
9 Execution timed out 2037 ms 90708 KB Time limit exceeded
10 Execution timed out 2066 ms 92160 KB Time limit exceeded