#include <bits/stdc++.h>
using namespace std;
int n;
long long lazy, vc, slope;
priority_queue<long long, vector<long long>, greater<long long> > pq;
int main(){
ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
cin >> n;
pq.push(0);
for(int i = 1; i <= n; i++){
int a, b;
cin >> a >> b;
int d = a - b;
lazy += d;
if(pq.top() + lazy < d){
vc += d - (pq.top() + lazy);
if(pq.top() != 0) pq.pop();
if(d <= lazy){
pq.push(d - lazy);
pq.push(d - lazy);
}
} else {
pq.push(d - lazy);
}
}
long long cur = pq.top() + lazy;
slope = 0;
while(!pq.empty()){
long long nxt = pq.top() + lazy; pq.pop();
nxt = min(nxt, 0LL);
vc += (nxt - cur) * slope;
slope++; cur = nxt;
}
if(cur != 0) vc += -cur * slope;
cout << vc << "\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
15 ms |
1024 KB |
Output is correct |
5 |
Correct |
32 ms |
1632 KB |
Output is correct |
6 |
Correct |
117 ms |
5100 KB |
Output is correct |
7 |
Correct |
123 ms |
3448 KB |
Output is correct |
8 |
Correct |
180 ms |
7404 KB |
Output is correct |
9 |
Correct |
118 ms |
3700 KB |
Output is correct |
10 |
Correct |
121 ms |
6296 KB |
Output is correct |
11 |
Correct |
126 ms |
6392 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
15 ms |
1024 KB |
Output is correct |
5 |
Correct |
32 ms |
1632 KB |
Output is correct |
6 |
Correct |
117 ms |
5100 KB |
Output is correct |
7 |
Correct |
123 ms |
3448 KB |
Output is correct |
8 |
Correct |
180 ms |
7404 KB |
Output is correct |
9 |
Correct |
118 ms |
3700 KB |
Output is correct |
10 |
Correct |
121 ms |
6296 KB |
Output is correct |
11 |
Correct |
126 ms |
6392 KB |
Output is correct |
12 |
Correct |
54 ms |
3060 KB |
Output is correct |
13 |
Correct |
132 ms |
5096 KB |
Output is correct |
14 |
Correct |
119 ms |
3448 KB |
Output is correct |
15 |
Correct |
173 ms |
7400 KB |
Output is correct |
16 |
Correct |
199 ms |
7272 KB |
Output is correct |
17 |
Correct |
104 ms |
6368 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
1 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
1 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
1 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
15 ms |
1024 KB |
Output is correct |
12 |
Correct |
32 ms |
1632 KB |
Output is correct |
13 |
Correct |
117 ms |
5100 KB |
Output is correct |
14 |
Correct |
123 ms |
3448 KB |
Output is correct |
15 |
Correct |
180 ms |
7404 KB |
Output is correct |
16 |
Correct |
118 ms |
3700 KB |
Output is correct |
17 |
Correct |
121 ms |
6296 KB |
Output is correct |
18 |
Correct |
126 ms |
6392 KB |
Output is correct |
19 |
Correct |
54 ms |
3060 KB |
Output is correct |
20 |
Correct |
132 ms |
5096 KB |
Output is correct |
21 |
Correct |
119 ms |
3448 KB |
Output is correct |
22 |
Correct |
173 ms |
7400 KB |
Output is correct |
23 |
Correct |
199 ms |
7272 KB |
Output is correct |
24 |
Correct |
104 ms |
6368 KB |
Output is correct |
25 |
Correct |
1 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
2 ms |
384 KB |
Output is correct |
28 |
Correct |
1 ms |
384 KB |
Output is correct |
29 |
Correct |
1 ms |
384 KB |
Output is correct |
30 |
Correct |
1 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
384 KB |
Output is correct |
32 |
Correct |
55 ms |
3056 KB |
Output is correct |
33 |
Correct |
146 ms |
7532 KB |
Output is correct |
34 |
Correct |
241 ms |
7400 KB |
Output is correct |
35 |
Correct |
232 ms |
7264 KB |
Output is correct |
36 |
Correct |
168 ms |
7400 KB |
Output is correct |
37 |
Correct |
238 ms |
7272 KB |
Output is correct |
38 |
Correct |
130 ms |
7136 KB |
Output is correct |
39 |
Correct |
152 ms |
6756 KB |
Output is correct |
40 |
Correct |
118 ms |
6372 KB |
Output is correct |
41 |
Correct |
123 ms |
6368 KB |
Output is correct |
42 |
Correct |
125 ms |
6368 KB |
Output is correct |
43 |
Correct |
125 ms |
6368 KB |
Output is correct |
44 |
Correct |
220 ms |
7344 KB |
Output is correct |
45 |
Correct |
107 ms |
6624 KB |
Output is correct |
46 |
Correct |
146 ms |
6632 KB |
Output is correct |
47 |
Correct |
1 ms |
384 KB |
Output is correct |