#include <bits/stdc++.h>
int main() {
std::ios_base::sync_with_stdio(false);
std::cin.tie(nullptr);
int N;
std::cin >> N;
std::vector<int64_t> a(N);
for (int i = 0; i < N; ++i) {
int64_t x, y;
std::cin >> x >> y;
a[i] = x - y;
}
std::priority_queue<int64_t> pq;
pq.push(0);
int64_t sum = 0, cost = 0;
for (int i = 0; i < N - 1; ++i) {
sum += a[i];
pq.push(sum);
if (!pq.empty() && sum < pq.top()) {
cost += pq.top() - sum;
if (pq.top() != 0) pq.pop();
pq.push(sum);
}
}
sum += a[N - 1];
while (!pq.empty() && pq.top() > sum) {
cost += pq.top() - sum;
pq.pop();
}
std::cout << cost << '\n';
exit(0);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
16 ms |
1352 KB |
Output is correct |
5 |
Correct |
31 ms |
2260 KB |
Output is correct |
6 |
Correct |
88 ms |
4452 KB |
Output is correct |
7 |
Correct |
99 ms |
12524 KB |
Output is correct |
8 |
Correct |
135 ms |
8436 KB |
Output is correct |
9 |
Correct |
130 ms |
12540 KB |
Output is correct |
10 |
Correct |
79 ms |
8452 KB |
Output is correct |
11 |
Correct |
85 ms |
8444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
16 ms |
1352 KB |
Output is correct |
5 |
Correct |
31 ms |
2260 KB |
Output is correct |
6 |
Correct |
88 ms |
4452 KB |
Output is correct |
7 |
Correct |
99 ms |
12524 KB |
Output is correct |
8 |
Correct |
135 ms |
8436 KB |
Output is correct |
9 |
Correct |
130 ms |
12540 KB |
Output is correct |
10 |
Correct |
79 ms |
8452 KB |
Output is correct |
11 |
Correct |
85 ms |
8444 KB |
Output is correct |
12 |
Correct |
47 ms |
3476 KB |
Output is correct |
13 |
Correct |
107 ms |
6868 KB |
Output is correct |
14 |
Correct |
98 ms |
12524 KB |
Output is correct |
15 |
Correct |
131 ms |
8436 KB |
Output is correct |
16 |
Correct |
162 ms |
8456 KB |
Output is correct |
17 |
Correct |
61 ms |
8436 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
332 KB |
Output is correct |
12 |
Correct |
1 ms |
332 KB |
Output is correct |
13 |
Correct |
1 ms |
328 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
332 KB |
Output is correct |
16 |
Correct |
1 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
332 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
332 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
332 KB |
Output is correct |
11 |
Correct |
16 ms |
1352 KB |
Output is correct |
12 |
Correct |
31 ms |
2260 KB |
Output is correct |
13 |
Correct |
88 ms |
4452 KB |
Output is correct |
14 |
Correct |
99 ms |
12524 KB |
Output is correct |
15 |
Correct |
135 ms |
8436 KB |
Output is correct |
16 |
Correct |
130 ms |
12540 KB |
Output is correct |
17 |
Correct |
79 ms |
8452 KB |
Output is correct |
18 |
Correct |
85 ms |
8444 KB |
Output is correct |
19 |
Correct |
47 ms |
3476 KB |
Output is correct |
20 |
Correct |
107 ms |
6868 KB |
Output is correct |
21 |
Correct |
98 ms |
12524 KB |
Output is correct |
22 |
Correct |
131 ms |
8436 KB |
Output is correct |
23 |
Correct |
162 ms |
8456 KB |
Output is correct |
24 |
Correct |
61 ms |
8436 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
328 KB |
Output is correct |
27 |
Correct |
1 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
1 ms |
332 KB |
Output is correct |
30 |
Correct |
1 ms |
332 KB |
Output is correct |
31 |
Correct |
1 ms |
332 KB |
Output is correct |
32 |
Correct |
1 ms |
332 KB |
Output is correct |
33 |
Correct |
32 ms |
2452 KB |
Output is correct |
34 |
Correct |
81 ms |
6876 KB |
Output is correct |
35 |
Correct |
132 ms |
8408 KB |
Output is correct |
36 |
Correct |
118 ms |
8444 KB |
Output is correct |
37 |
Correct |
108 ms |
8448 KB |
Output is correct |
38 |
Correct |
119 ms |
8436 KB |
Output is correct |
39 |
Correct |
72 ms |
8444 KB |
Output is correct |
40 |
Correct |
76 ms |
8068 KB |
Output is correct |
41 |
Correct |
67 ms |
8432 KB |
Output is correct |
42 |
Correct |
71 ms |
8440 KB |
Output is correct |
43 |
Correct |
75 ms |
8436 KB |
Output is correct |
44 |
Correct |
69 ms |
8380 KB |
Output is correct |
45 |
Correct |
148 ms |
8380 KB |
Output is correct |
46 |
Correct |
80 ms |
8436 KB |
Output is correct |
47 |
Correct |
77 ms |
7596 KB |
Output is correct |