#include <bits/stdc++.h>
using namespace std;
#define int long long
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int n;
cin >> n;
vector<pair<int,int>> pravoagolnik(n);
for (int i=0;i<n;i++) {
cin >> pravoagolnik[i].first >> pravoagolnik[i].second;
pravoagolnik[i].first/=2;
pravoagolnik[i].second/=2;
}
pravoagolnik.push_back({ 0, 100000000 });
sort(pravoagolnik.begin(), pravoagolnik.end());
// int rez = pravoagolnik[0].first * pravoagolnik[0].second;
// for (int i=1;i<n;i++) {
// rez += (pravoagolnik[i].first-pravoagolnik[i-1].first) * pravoagolnik[i].second;
// }
int rez = 0;
for (int i = n; i >= 0; i--) {
rez += (pravoagolnik[i].first - pravoagolnik[i - 1].first) * pravoagolnik[i].second;
}
cout << 4 * rez << endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
452 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
604 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
203 ms |
43760 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
6 ms |
1624 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
19 ms |
4700 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
66 ms |
13148 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
207 ms |
43704 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |