#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-max(c[n]-d[n], pq.top()));
lst = pq.top();
pq.pop();
slope++;
}
cout << cur;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
12 ms |
9768 KB |
Output is correct |
5 |
Correct |
24 ms |
14300 KB |
Output is correct |
6 |
Correct |
82 ms |
15504 KB |
Output is correct |
7 |
Correct |
87 ms |
22220 KB |
Output is correct |
8 |
Correct |
120 ms |
21452 KB |
Output is correct |
9 |
Correct |
90 ms |
22152 KB |
Output is correct |
10 |
Correct |
74 ms |
22112 KB |
Output is correct |
11 |
Correct |
79 ms |
20676 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4444 KB |
Output is correct |
4 |
Correct |
12 ms |
9768 KB |
Output is correct |
5 |
Correct |
24 ms |
14300 KB |
Output is correct |
6 |
Correct |
82 ms |
15504 KB |
Output is correct |
7 |
Correct |
87 ms |
22220 KB |
Output is correct |
8 |
Correct |
120 ms |
21452 KB |
Output is correct |
9 |
Correct |
90 ms |
22152 KB |
Output is correct |
10 |
Correct |
74 ms |
22112 KB |
Output is correct |
11 |
Correct |
79 ms |
20676 KB |
Output is correct |
12 |
Correct |
36 ms |
14488 KB |
Output is correct |
13 |
Correct |
92 ms |
18132 KB |
Output is correct |
14 |
Correct |
90 ms |
20788 KB |
Output is correct |
15 |
Correct |
120 ms |
20936 KB |
Output is correct |
16 |
Correct |
153 ms |
20860 KB |
Output is correct |
17 |
Correct |
60 ms |
22060 KB |
Output is correct |
18 |
Correct |
1 ms |
4444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4444 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 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
2 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4696 KB |
Output is correct |
9 |
Correct |
1 ms |
4440 KB |
Output is correct |
10 |
Correct |
1 ms |
4440 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4444 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 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
2 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4696 KB |
Output is correct |
9 |
Correct |
1 ms |
4440 KB |
Output is correct |
10 |
Correct |
1 ms |
4440 KB |
Output is correct |
11 |
Correct |
1 ms |
4444 KB |
Output is correct |
12 |
Correct |
1 ms |
4444 KB |
Output is correct |
13 |
Correct |
2 ms |
4440 KB |
Output is correct |
14 |
Correct |
2 ms |
4444 KB |
Output is correct |
15 |
Correct |
2 ms |
4444 KB |
Output is correct |
16 |
Correct |
2 ms |
4444 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
1 ms |
4444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
4444 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 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
2 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4696 KB |
Output is correct |
9 |
Correct |
1 ms |
4440 KB |
Output is correct |
10 |
Correct |
1 ms |
4440 KB |
Output is correct |
11 |
Correct |
12 ms |
9768 KB |
Output is correct |
12 |
Correct |
24 ms |
14300 KB |
Output is correct |
13 |
Correct |
82 ms |
15504 KB |
Output is correct |
14 |
Correct |
87 ms |
22220 KB |
Output is correct |
15 |
Correct |
120 ms |
21452 KB |
Output is correct |
16 |
Correct |
90 ms |
22152 KB |
Output is correct |
17 |
Correct |
74 ms |
22112 KB |
Output is correct |
18 |
Correct |
79 ms |
20676 KB |
Output is correct |
19 |
Correct |
36 ms |
14488 KB |
Output is correct |
20 |
Correct |
92 ms |
18132 KB |
Output is correct |
21 |
Correct |
90 ms |
20788 KB |
Output is correct |
22 |
Correct |
120 ms |
20936 KB |
Output is correct |
23 |
Correct |
153 ms |
20860 KB |
Output is correct |
24 |
Correct |
60 ms |
22060 KB |
Output is correct |
25 |
Correct |
1 ms |
4444 KB |
Output is correct |
26 |
Correct |
2 ms |
4440 KB |
Output is correct |
27 |
Correct |
2 ms |
4444 KB |
Output is correct |
28 |
Correct |
2 ms |
4444 KB |
Output is correct |
29 |
Correct |
2 ms |
4444 KB |
Output is correct |
30 |
Correct |
1 ms |
4444 KB |
Output is correct |
31 |
Correct |
1 ms |
4444 KB |
Output is correct |
32 |
Correct |
1 ms |
4444 KB |
Output is correct |
33 |
Correct |
31 ms |
14292 KB |
Output is correct |
34 |
Correct |
65 ms |
17868 KB |
Output is correct |
35 |
Correct |
110 ms |
21644 KB |
Output is correct |
36 |
Correct |
105 ms |
22140 KB |
Output is correct |
37 |
Correct |
94 ms |
20348 KB |
Output is correct |
38 |
Correct |
102 ms |
21148 KB |
Output is correct |
39 |
Correct |
61 ms |
20680 KB |
Output is correct |
40 |
Correct |
78 ms |
20504 KB |
Output is correct |
41 |
Correct |
61 ms |
20348 KB |
Output is correct |
42 |
Correct |
61 ms |
21044 KB |
Output is correct |
43 |
Correct |
63 ms |
20172 KB |
Output is correct |
44 |
Correct |
64 ms |
21192 KB |
Output is correct |
45 |
Correct |
132 ms |
20212 KB |
Output is correct |
46 |
Correct |
53 ms |
21192 KB |
Output is correct |
47 |
Correct |
71 ms |
19152 KB |
Output is correct |