oj.uz

Submission #893683

# Submission time Handle Problem Language Result Execution time Memory
893683 2023-12-27T09:13:47 Z vjudge1 Izbori (COCI22_izbori) C++17
40 / 110
 2650 ms 6664 KB 
#include <iostream>
#include <fstream>
#include <iomanip>
#include <vector>
#include <set>
#include <map>
#include <cstring>
#include <string>
#include <cmath>
#include <cassert>
#include <ctime>
#include <algorithm>
#include <sstream>
#include <list>
#include <queue>
#include <deque>
#include <stack>
#include <cstdlib>
#include <cstdio>
#include <iterator>
#include <functional>
#include <unordered_set>
#include <unordered_map>
#include <stdio.h>
#include <bitset>
#include <cstdint>
#include <cassert>
#include <functional>
#include <complex>
#include <climits>
#include <random>
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,popcnt,lzcnt,abm,bmi,bmi2,fma,tune=native")
 
using namespace std;
 
#define pb push_back
#define F first
#define S second
#define ll long long
#define ull unsigned long long
#define all(x) x.begin(), x.end() 
#define speed ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL)
const int mod = (int) 1e9 + 7;
const int N = (int) 2e5 + 1, bruh = 450;
 
ll a[N], n, k;
int cnt[N];
int cnt1[N];
 
signed main(){
   	speed;
   	cin >> n;
    vector<pair<int, int>> v;
   	for(int i = 1; i <= n; i++){
   		cin >> a[i];
        v.pb({a[i], i});
   	} 
    sort(all(v));
    int prev = -1, cur = 0;
    for(auto [x, y] : v){
        if(x != prev){
            ++cur;
            prev = x;
            a[y] = cur;
            cnt[a[y]]++;
        }
        else a[y] = cur, cnt[a[y]]++;
    }
   	ll ans = 0;
   	for(int x = 1; x <= cur; x++){
        int sz = cnt[x];
   		if(sz > bruh){
	   		int mp[n * 2 + 1];
            for(int i = 0; i <= 2 * n + 1; i++) mp[i] = 0;
	        ll cur = 0LL, act = 0LL;
	        ans = (1LL * (n * (n + 1LL))) / 2LL;
	        for(int i = 1; i <= n; i++){
		        if(a[i] == x) cur--;
		        else cur++;
		        mp[cur + n]++;
	        }
	        cur = 0;
	        for(int i = 1; i <= n; i++){
		        ans -= mp[act + n];
		        if(a[i] == x){
			        cur--;
			        act--;
		        }
		        else{
			        cur++;
			        act++;
		        }
		        mp[cur + n]--;
	        }	
        }
   	}
   	for(int i = 1; i <= n; i++){
        memset(cnt1, 0, sizeof(cnt1));
   		int lst = -1, lstA = -1;
   		for(int j = i; j <= n; j++){
   			if((j - i + 1) > 2 * bruh) break;
   			if(a[j] == lstA) lst++;
   			++cnt1[a[j]];
   			int sz = (j - i) + 1;
   			if(lst > (sz / 2) && cnt[lstA] <= bruh) ans++;
   			else if(cnt1[a[j]] > (sz / 2) && cnt[a[j]] <= bruh){
   				ans++;
   				lst = cnt1[a[j]];
   				lstA = a[j];
   			}
   		}
   	}
   	cout << ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2900 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 4 ms 2652 KB Output is correct
4 Correct 4 ms 2652 KB Output is correct
5 Correct 4 ms 2652 KB Output is correct
6 Correct 4 ms 2692 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2900 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 4 ms 2652 KB Output is correct
4 Correct 4 ms 2652 KB Output is correct
5 Correct 4 ms 2652 KB Output is correct
6 Correct 4 ms 2692 KB Output is correct
7 Correct 12 ms 2652 KB Output is correct
8 Correct 2 ms 2652 KB Output is correct
9 Correct 27 ms 2648 KB Output is correct
10 Correct 25 ms 2652 KB Output is correct
11 Correct 29 ms 2652 KB Output is correct
12 Correct 30 ms 2652 KB Output is correct
13 Correct 25 ms 2648 KB Output is correct
14 Correct 30 ms 2652 KB Output is correct
15 Correct 25 ms 2652 KB Output is correct
16 Correct 25 ms 2652 KB Output is correct
17 Correct 27 ms 2904 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1699 ms 5080 KB Output is correct
2 Correct 2239 ms 6092 KB Output is correct
3 Correct 1307 ms 4312 KB Output is correct
4 Correct 2326 ms 6356 KB Output is correct
5 Correct 2441 ms 6348 KB Output is correct
6 Correct 2561 ms 6600 KB Output is correct
7 Correct 2585 ms 6600 KB Output is correct
8 Correct 2541 ms 6612 KB Output is correct
9 Correct 2576 ms 6612 KB Output is correct
10 Correct 2576 ms 6648 KB Output is correct
11 Correct 2650 ms 6608 KB Output is correct

Subtask #4
0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2900 KB Output is correct
2 Correct 1 ms 2652 KB Output is correct
3 Correct 4 ms 2652 KB Output is correct
4 Correct 4 ms 2652 KB Output is correct
5 Correct 4 ms 2652 KB Output is correct
6 Correct 4 ms 2692 KB Output is correct
7 Correct 12 ms 2652 KB Output is correct
8 Correct 2 ms 2652 KB Output is correct
9 Correct 27 ms 2648 KB Output is correct
10 Correct 25 ms 2652 KB Output is correct
11 Correct 29 ms 2652 KB Output is correct
12 Correct 30 ms 2652 KB Output is correct
13 Correct 25 ms 2648 KB Output is correct
14 Correct 30 ms 2652 KB Output is correct
15 Correct 25 ms 2652 KB Output is correct
16 Correct 25 ms 2652 KB Output is correct
17 Correct 27 ms 2904 KB Output is correct
18 Correct 1699 ms 5080 KB Output is correct
19 Correct 2239 ms 6092 KB Output is correct
20 Correct 1307 ms 4312 KB Output is correct
21 Correct 2326 ms 6356 KB Output is correct
22 Correct 2441 ms 6348 KB Output is correct
23 Correct 2561 ms 6600 KB Output is correct
24 Correct 2585 ms 6600 KB Output is correct
25 Correct 2541 ms 6612 KB Output is correct
26 Correct 2576 ms 6612 KB Output is correct
27 Correct 2576 ms 6648 KB Output is correct
28 Correct 2650 ms 6608 KB Output is correct
29 Correct 2624 ms 6612 KB Output is correct
30 Correct 493 ms 3036 KB Output is correct
31 Correct 1030 ms 3544 KB Output is correct
32 Correct 2535 ms 5080 KB Output is correct
33 Correct 1079 ms 3544 KB Output is correct
34 Correct 1136 ms 3548 KB Output is correct
35 Correct 763 ms 3248 KB Output is correct
36 Correct 443 ms 3036 KB Output is correct
37 Correct 537 ms 2932 KB Output is correct
38 Incorrect 2535 ms 6664 KB Output isn't correct
39 Halted 0 ms 0 KB -