#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;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
2 ms |
4444 KB |
Output is correct |
4 |
Correct |
11 ms |
9696 KB |
Output is correct |
5 |
Correct |
24 ms |
14360 KB |
Output is correct |
6 |
Correct |
79 ms |
15308 KB |
Output is correct |
7 |
Correct |
85 ms |
20428 KB |
Output is correct |
8 |
Correct |
117 ms |
21704 KB |
Output is correct |
9 |
Correct |
89 ms |
21764 KB |
Output is correct |
10 |
Correct |
77 ms |
20720 KB |
Output is correct |
11 |
Correct |
83 ms |
21484 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
2 ms |
4444 KB |
Output is correct |
4 |
Correct |
11 ms |
9696 KB |
Output is correct |
5 |
Correct |
24 ms |
14360 KB |
Output is correct |
6 |
Correct |
79 ms |
15308 KB |
Output is correct |
7 |
Correct |
85 ms |
20428 KB |
Output is correct |
8 |
Correct |
117 ms |
21704 KB |
Output is correct |
9 |
Correct |
89 ms |
21764 KB |
Output is correct |
10 |
Correct |
77 ms |
20720 KB |
Output is correct |
11 |
Correct |
83 ms |
21484 KB |
Output is correct |
12 |
Correct |
36 ms |
14300 KB |
Output is correct |
13 |
Correct |
89 ms |
23760 KB |
Output is correct |
14 |
Correct |
94 ms |
27864 KB |
Output is correct |
15 |
Correct |
120 ms |
25292 KB |
Output is correct |
16 |
Correct |
139 ms |
26056 KB |
Output is correct |
17 |
Correct |
56 ms |
22524 KB |
Output is correct |
18 |
Correct |
2 ms |
4700 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
2 ms |
4700 KB |
Output is correct |
4 |
Correct |
1 ms |
4440 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4568 KB |
Output is correct |
7 |
Correct |
1 ms |
4700 KB |
Output is correct |
8 |
Correct |
1 ms |
4700 KB |
Output is correct |
9 |
Correct |
1 ms |
4700 KB |
Output is correct |
10 |
Correct |
1 ms |
4700 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
2 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4440 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4568 KB |
Output is correct |
7 |
Correct |
1 ms |
4700 KB |
Output is correct |
8 |
Correct |
1 ms |
4700 KB |
Output is correct |
9 |
Correct |
1 ms |
4700 KB |
Output is correct |
10 |
Correct |
1 ms |
4700 KB |
Output is correct |
11 |
Correct |
2 ms |
4700 KB |
Output is correct |
12 |
Correct |
1 ms |
4444 KB |
Output is correct |
13 |
Correct |
2 ms |
4700 KB |
Output is correct |
14 |
Correct |
2 ms |
4572 KB |
Output is correct |
15 |
Correct |
2 ms |
4572 KB |
Output is correct |
16 |
Correct |
2 ms |
4700 KB |
Output is correct |
17 |
Correct |
1 ms |
4700 KB |
Output is correct |
18 |
Correct |
1 ms |
4700 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4444 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
2 ms |
4444 KB |
Output is correct |
4 |
Correct |
1 ms |
4440 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4568 KB |
Output is correct |
7 |
Correct |
1 ms |
4700 KB |
Output is correct |
8 |
Correct |
1 ms |
4700 KB |
Output is correct |
9 |
Correct |
1 ms |
4700 KB |
Output is correct |
10 |
Correct |
1 ms |
4700 KB |
Output is correct |
11 |
Correct |
11 ms |
9696 KB |
Output is correct |
12 |
Correct |
24 ms |
14360 KB |
Output is correct |
13 |
Correct |
79 ms |
15308 KB |
Output is correct |
14 |
Correct |
85 ms |
20428 KB |
Output is correct |
15 |
Correct |
117 ms |
21704 KB |
Output is correct |
16 |
Correct |
89 ms |
21764 KB |
Output is correct |
17 |
Correct |
77 ms |
20720 KB |
Output is correct |
18 |
Correct |
83 ms |
21484 KB |
Output is correct |
19 |
Correct |
36 ms |
14300 KB |
Output is correct |
20 |
Correct |
89 ms |
23760 KB |
Output is correct |
21 |
Correct |
94 ms |
27864 KB |
Output is correct |
22 |
Correct |
120 ms |
25292 KB |
Output is correct |
23 |
Correct |
139 ms |
26056 KB |
Output is correct |
24 |
Correct |
56 ms |
22524 KB |
Output is correct |
25 |
Correct |
1 ms |
4444 KB |
Output is correct |
26 |
Correct |
2 ms |
4700 KB |
Output is correct |
27 |
Correct |
2 ms |
4572 KB |
Output is correct |
28 |
Correct |
2 ms |
4572 KB |
Output is correct |
29 |
Correct |
2 ms |
4700 KB |
Output is correct |
30 |
Correct |
1 ms |
4700 KB |
Output is correct |
31 |
Correct |
1 ms |
4700 KB |
Output is correct |
32 |
Correct |
2 ms |
4700 KB |
Output is correct |
33 |
Correct |
40 ms |
16084 KB |
Output is correct |
34 |
Correct |
67 ms |
22988 KB |
Output is correct |
35 |
Correct |
113 ms |
28792 KB |
Output is correct |
36 |
Correct |
109 ms |
25888 KB |
Output is correct |
37 |
Correct |
108 ms |
25976 KB |
Output is correct |
38 |
Correct |
115 ms |
28240 KB |
Output is correct |
39 |
Correct |
63 ms |
24980 KB |
Output is correct |
40 |
Correct |
67 ms |
23244 KB |
Output is correct |
41 |
Correct |
61 ms |
22376 KB |
Output is correct |
42 |
Correct |
68 ms |
24044 KB |
Output is correct |
43 |
Correct |
73 ms |
22928 KB |
Output is correct |
44 |
Correct |
69 ms |
22768 KB |
Output is correct |
45 |
Correct |
148 ms |
28804 KB |
Output is correct |
46 |
Correct |
58 ms |
23684 KB |
Output is correct |
47 |
Correct |
70 ms |
22400 KB |
Output is correct |