oj.uz

답안 #1114532

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1114532 2024-11-19T07:11:34 Z vjudge1 Diversity (CEOI21_diversity) C++17
0 / 100
 1 ms 504 KB 
//Dost SEFEROĞLU
#include <bits/stdc++.h>
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")
using namespace std;
#define int long long
#define pii pair<int,int>
#define ff first
#define ss second
#define sp << " " <<    
#define all(cont) cont.begin(),cont.end()
#define vi vector<int>
const int MOD = 1e9+7,inf = 2e18;
const int N = 2e5+50,Q = 2e5+50;
 
void solve() { 
    int n,q;
    cin >> n >> q;
    vi a(n+1);
    for (int i=1;i<=n;i++) cin >> a[i];
    while (q--) {
        int L,R;
        cin >> L >> R;
        n = R-L+1;
        map<int,int> mp;
        for (int j = L;j<=R;j++) mp[a[j]]++;
        vi ps;
        for (auto it : mp) ps.push_back(it.ss);
        sort(ps.begin(),ps.end(),greater<int>());
        deque<int> dq;
        int coin = 0;
        while (!ps.empty()) {
            if (!coin) dq.push_front(ps.back());
            else dq.push_back(ps.back());
            coin^=1;
            ps.pop_back();
        }
        int ans = 0;
        int cur = 1;
        for (auto it : dq) {
            int r = cur+it-1;
            ans+=n*(n+1)/2-cur*(cur-1)/2-(n-r)*(n-r+1)/2;
            cur = r+1;
        }
        cout << ans << '\n';
    }
}                    
                             
signed main() { 
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    #ifdef Dodi
        freopen("in.txt","r",stdin);
        freopen("out.txt","w",stdout);
    #endif
    int t = 1;
    //cin >> t; 
    while (t --> 0) solve();
}

Subtask #1
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Incorrect 1 ms 504 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 336 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Incorrect 1 ms 504 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Incorrect 1 ms 504 KB Output isn't correct
4 Halted 0 ms 0 KB -