#include <bits/stdc++.h>
using namespace std;
#define int long long
const int NM = 5e5;
int n, a[NM+5], b[NM+5], c[NM+5], d[NM+5], cur = 0;
priority_queue <int> pq;
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n;
for (int i = 1; i <= n; i++){
cin >> a[i] >> b[i];
c[i] = c[i-1]+a[i];
d[i] = d[i-1]+b[i];
}
pq.push(0);
for (int i = 1; i < n; i++){
if (c[i]-d[i] >= pq.top()){
pq.push(c[i]-d[i]);
continue;
}
cur += pq.top()-(c[i]-d[i]);
pq.pop();
if (c[i]-d[i] > 0){
pq.push(c[i]-d[i]);
pq.push(c[i]-d[i]);
}
else{
pq.push(0);
pq.push(0);
}
}
int lst = pq.top(), slope = 0;
while (lst > c[n]-d[n]){
cur += slope*(lst-pq.top());
lst = pq.top();
pq.pop();
slope++;
}
cout << cur;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
13 ms |
9696 KB |
Output is correct |
5 |
Correct |
24 ms |
14300 KB |
Output is correct |
6 |
Correct |
78 ms |
15300 KB |
Output is correct |
7 |
Correct |
85 ms |
21708 KB |
Output is correct |
8 |
Correct |
121 ms |
22216 KB |
Output is correct |
9 |
Correct |
88 ms |
21700 KB |
Output is correct |
10 |
Correct |
74 ms |
21960 KB |
Output is correct |
11 |
Correct |
79 ms |
20724 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
13 ms |
9696 KB |
Output is correct |
5 |
Correct |
24 ms |
14300 KB |
Output is correct |
6 |
Correct |
78 ms |
15300 KB |
Output is correct |
7 |
Correct |
85 ms |
21708 KB |
Output is correct |
8 |
Correct |
121 ms |
22216 KB |
Output is correct |
9 |
Correct |
88 ms |
21700 KB |
Output is correct |
10 |
Correct |
74 ms |
21960 KB |
Output is correct |
11 |
Correct |
79 ms |
20724 KB |
Output is correct |
12 |
Incorrect |
35 ms |
14300 KB |
Output isn't correct |
13 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Incorrect |
1 ms |
4444 KB |
Output isn't correct |
5 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Incorrect |
1 ms |
4444 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Incorrect |
1 ms |
4444 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |