#include <bits/stdc++.h>
/// #pragma GCC optimize ("Ofast")
/// #pragma GCC target ("avx2")
/// #pragma GCC optimize("unroll-loops")
using namespace std;
using ll = long long;
using ii = pair<ll, ll>;
using vi = vector<int>;
#define ff first
#define ss second
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define lb lower_bound
#define int ll
const int oo = 1e9 + 7;
int32_t main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int N; cin >> N; vector<ii> arr(N);
for(int l = 0; l < N; l++)
cin >> arr[l].ff >> arr[l].ss;
sort(arr.begin(), arr.end());
int res = 0, curr = 0; priority_queue<int, vector<int>, greater<int>> pq;
for(int l = 0; l < N; l++) {
int H = arr[l].ff, K = arr[l].ss;
for(int i = curr + 1; i <= H; i++)
pq.push(0);
curr = max(curr, H); int calc = 0;
vector<int> vec;
while(calc < K) {
int v = pq.top(); pq.pop();
vec.pb({v + 1}); calc++;
}
for(auto u : vec) pq.push(u);
}
while(!pq.empty()) {
int u = pq.top(); pq.pop();
res += (u * (u - 1)) / 2;
}
cout << res << "\n";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
6 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
170 ms |
416 KB |
Output is correct |
2 |
Correct |
168 ms |
1416 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1081 ms |
1000 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1097 ms |
976 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1079 ms |
1508 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1083 ms |
4048 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1086 ms |
1892 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
1091 ms |
2340 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |