#include<iostream>
#include<algorithm>
#include<functional>
#include<numeric>
#include<vector>
#include<utility>
#include<map>
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;
for (int i = 2;i <= n;++i) {
for (int j = 0;j <= n - i;++j) {
map<int, int>mp;
bool ok = false;
for (int k = j;k < i + j;++k) {
mp[arr[k]]++;
if (mp[arr[k]] > i / 2) {
ok = true;
break;
}
}
ans += ok;
}
}
cout << ans << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
3 ms |
204 KB |
Output is correct |
3 |
Correct |
62 ms |
264 KB |
Output is correct |
4 |
Correct |
62 ms |
272 KB |
Output is correct |
5 |
Correct |
61 ms |
264 KB |
Output is correct |
6 |
Correct |
9 ms |
296 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
3 ms |
204 KB |
Output is correct |
3 |
Correct |
62 ms |
264 KB |
Output is correct |
4 |
Correct |
62 ms |
272 KB |
Output is correct |
5 |
Correct |
61 ms |
264 KB |
Output is correct |
6 |
Correct |
9 ms |
296 KB |
Output is correct |
7 |
Execution timed out |
3058 ms |
296 KB |
Time limit exceeded |
8 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3060 ms |
716 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
3 ms |
204 KB |
Output is correct |
3 |
Correct |
62 ms |
264 KB |
Output is correct |
4 |
Correct |
62 ms |
272 KB |
Output is correct |
5 |
Correct |
61 ms |
264 KB |
Output is correct |
6 |
Correct |
9 ms |
296 KB |
Output is correct |
7 |
Execution timed out |
3058 ms |
296 KB |
Time limit exceeded |
8 |
Halted |
0 ms |
0 KB |
- |