Submission #1300898

#TimeUsernameProblemLanguageResultExecution timeMemory
1300898hssaan_arifIzbori (COCI22_izbori)C++20
25 / 110
3095 ms1352 KiB
#include <bits/stdc++.h>
using namespace std;

#define endl "\n"
#define pb push_back
#define int long long
#define fi first
#define se second

const int N = 3e5 + 5, M = 1e9 + 7, LG = 20;

int n , A[N];

void solve(){
    cin >> n;
    for (int i=1 ; i<=n ; i++){
        cin >> A[i];
    }
    int ans = 0;
    for (int i=1 ; i<=n ; i++){
        set<pair<int,int>> st;
        map<int,int> mp;
        for (int j=i ; j>=1 ; j--){
            st.erase({-mp[A[j]] , A[j]});
            mp[A[j]]++;
            st.insert({-mp[A[j]] , A[j]});

            if (-(*(st.begin())).fi >= ((i-j+1)/2) + 1){
                ans++;
            }
        }
    }
    cout << ans << endl;
}

signed main(){
    // freopen("" , "r" , stdin);
    // freopen("" , "w" , stdout);
    // cout << setprecision(30);
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int ts = 1;
    // cin >> ts;
    while(ts--){
        solve();
    }
}
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...