Submission #527904

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
527904	2022-02-18T16:48:49 Z	1ne	Izbori (COCI22_izbori)	C++14	25 / 110	3000 ms	3900 KB

Main

#include<iostream>
#include<algorithm>
#include<functional>
#include<numeric>
#include<vector>
#include<utility>
#include<map>
#include<set>
using namespace std;
long long merge(int left,int mid ,int right,vector<int64_t>&arr) {
	vector<int64_t>temp;
	int i = left, j = mid+1;
	long long ans = 0;
	while (i <= mid && j <= right) {
		if (arr[i] <= arr[j]) { 
			temp.push_back(arr[i]);
			++i;
		}
		else {
			temp.push_back(arr[j]);
			++j;
		}
	}
	while (i <= mid) {
		temp.push_back(arr[i]);
		++i;
	}
	while (j <= right) {
		temp.push_back(arr[j]);
		++j;
	}
	for (auto x : temp) {
		arr[left] = x;
		++left;
	}
	return ans;
}
long long mergesort(int left,int right,vector<int64_t>&arr) {
	int mid = (left + right) >> 1;
	if (left >= right)return 0 ;
	long long ans = 0;
	ans+=mergesort(left, mid, arr);
	ans+=mergesort(mid+1, right, arr);
	ans+=merge(left, mid, right, arr);
	return ans;
}
int main() {
	int n;cin >> n;
	vector<int>arr(n);
	for (int i = 0;i < n;++i)cin >> arr[i];
	int64_t ans = n;
	arr.push_back(-1);
	for (int i = 2;i <= n;++i) {
		map<int, int>freq;
		multiset < pair<int, int>, greater<pair<int, int>>>mp;
		for (int j = 0;j < i;++j) {
			freq[arr[j]]++;
		}
		for (auto x : freq) {
			mp.insert({ x.second,x.first });
		}
		for (int j = 0;j <= n - i;++j) {
			auto x = *mp.begin();
			if (x.first > i / 2) {
				ans++;
			}
			mp.erase({ freq[arr[j]],arr[j] });
			freq[arr[j]]--;
			mp.insert({ freq[arr[j]],arr[j] });
			freq[arr[j+i]]++;
			mp.insert({ freq[arr[j + i]],arr[j + i] });
		}
	}
	cout << ans << '\n';
	
}

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	16 ms	308 KB	Output is correct
4	Correct	15 ms	332 KB	Output is correct
5	Correct	15 ms	204 KB	Output is correct
6	Correct	7 ms	204 KB	Output is correct

Subtask #2

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	16 ms	308 KB	Output is correct
4	Correct	15 ms	332 KB	Output is correct
5	Correct	15 ms	204 KB	Output is correct
6	Correct	7 ms	204 KB	Output is correct
7	Correct	420 ms	360 KB	Output is correct
8	Correct	5 ms	204 KB	Output is correct
9	Correct	867 ms	364 KB	Output is correct
10	Correct	863 ms	368 KB	Output is correct
11	Correct	814 ms	372 KB	Output is correct
12	Correct	848 ms	368 KB	Output is correct
13	Correct	830 ms	372 KB	Output is correct
14	Correct	816 ms	452 KB	Output is correct
15	Correct	826 ms	364 KB	Output is correct
16	Correct	815 ms	380 KB	Output is correct
17	Correct	385 ms	384 KB	Output is correct

Subtask #3

0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Execution timed out	3065 ms	3900 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #4

0 / 70.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	16 ms	308 KB	Output is correct
4	Correct	15 ms	332 KB	Output is correct
5	Correct	15 ms	204 KB	Output is correct
6	Correct	7 ms	204 KB	Output is correct
7	Correct	420 ms	360 KB	Output is correct
8	Correct	5 ms	204 KB	Output is correct
9	Correct	867 ms	364 KB	Output is correct
10	Correct	863 ms	368 KB	Output is correct
11	Correct	814 ms	372 KB	Output is correct
12	Correct	848 ms	368 KB	Output is correct
13	Correct	830 ms	372 KB	Output is correct
14	Correct	816 ms	452 KB	Output is correct
15	Correct	826 ms	364 KB	Output is correct
16	Correct	815 ms	380 KB	Output is correct
17	Correct	385 ms	384 KB	Output is correct
18	Execution timed out	3065 ms	3900 KB	Time limit exceeded
19	Halted	0 ms	0 KB	-