Submission #1332812

#	Time	Username	Problem	Language	Result	Execution time	Memory
1332812		Zone_zonee	Baloni (COCI15_baloni)	C++20	0 / 100	95 ms	196608 KiB

baloni

#include <bits/stdc++.h>
using namespace std;
const int N = 1e6+10;

int a[N];
queue<int> q[N];
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    for(int i = 1; i <= n; ++i){
        cin >> a[i];
        q[a[i]].push(i);
    }
    int ans = 0;
    for(int i = 1; i <= n; ++i){
        if(q[a[i]].empty() || q[a[i]].front() != i) continue;
        while(!q[a[i]].empty() && q[a[i]].front() >= i) q[a[i]--].pop();
        ans++;
    }
    cout << ans << '\n';
}

• Subtask 1: 0 / 100