#include "bits/stdc++.h"
using namespace std;
#define int int64_t
#define pb push_back
using pii=pair<int,int>;
const int lim=2e5+100;
const int mod=1e9+7;
signed main(){
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#ifdef Local
freopen(".in","r",stdin);freopen(".out","w",stdout);
#endif
int n;
cin>>n;
int a[n+1],b[n+1];
for(int i=1;i<=n;i++)cin>>a[i]>>b[i];
int d[n+1];
for(int i=1;i<=n;i++)d[i]=a[i]-b[i];
int p[n+1];
p[0]=0;
for(int i=1;i<=n;i++)p[i]=p[i-1]+d[i];
priority_queue<int>pq;
int ans=0;
for(int i=1;i<=n;i++){
if(p[i]<0){
if(pq.size()){
ans+=pq.top();
pq.pop();
}
ans-=p[i];
}else{
pq.push(p[i]);
ans+=pq.top()-p[i];
pq.push(p[i]);
pq.pop();
}
}
while(p[n]<pq.top()){
ans+=pq.top()-p[n];
pq.pop();
}
cout<<ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
604 KB |
Output is correct |
3 |
Correct |
1 ms |
504 KB |
Output is correct |
4 |
Correct |
9 ms |
2660 KB |
Output is correct |
5 |
Correct |
21 ms |
4816 KB |
Output is correct |
6 |
Correct |
71 ms |
13772 KB |
Output is correct |
7 |
Correct |
70 ms |
23108 KB |
Output is correct |
8 |
Correct |
124 ms |
25036 KB |
Output is correct |
9 |
Correct |
72 ms |
20952 KB |
Output is correct |
10 |
Correct |
75 ms |
22068 KB |
Output is correct |
11 |
Correct |
82 ms |
22220 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
604 KB |
Output is correct |
3 |
Correct |
1 ms |
504 KB |
Output is correct |
4 |
Correct |
9 ms |
2660 KB |
Output is correct |
5 |
Correct |
21 ms |
4816 KB |
Output is correct |
6 |
Correct |
71 ms |
13772 KB |
Output is correct |
7 |
Correct |
70 ms |
23108 KB |
Output is correct |
8 |
Correct |
124 ms |
25036 KB |
Output is correct |
9 |
Correct |
72 ms |
20952 KB |
Output is correct |
10 |
Correct |
75 ms |
22068 KB |
Output is correct |
11 |
Correct |
82 ms |
22220 KB |
Output is correct |
12 |
Correct |
32 ms |
7132 KB |
Output is correct |
13 |
Correct |
79 ms |
15940 KB |
Output is correct |
14 |
Correct |
75 ms |
23108 KB |
Output is correct |
15 |
Correct |
120 ms |
25004 KB |
Output is correct |
16 |
Correct |
128 ms |
24524 KB |
Output is correct |
17 |
Correct |
65 ms |
22196 KB |
Output is correct |
18 |
Correct |
1 ms |
600 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
604 KB |
Output is correct |
3 |
Correct |
1 ms |
600 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
600 KB |
Output is correct |
8 |
Correct |
1 ms |
600 KB |
Output is correct |
9 |
Correct |
1 ms |
600 KB |
Output is correct |
10 |
Correct |
1 ms |
600 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
604 KB |
Output is correct |
3 |
Correct |
1 ms |
504 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
600 KB |
Output is correct |
8 |
Correct |
1 ms |
600 KB |
Output is correct |
9 |
Correct |
1 ms |
600 KB |
Output is correct |
10 |
Correct |
1 ms |
600 KB |
Output is correct |
11 |
Correct |
1 ms |
600 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
1 ms |
604 KB |
Output is correct |
15 |
Correct |
1 ms |
604 KB |
Output is correct |
16 |
Correct |
1 ms |
604 KB |
Output is correct |
17 |
Correct |
1 ms |
604 KB |
Output is correct |
18 |
Correct |
1 ms |
604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
604 KB |
Output is correct |
3 |
Correct |
1 ms |
504 KB |
Output is correct |
4 |
Correct |
1 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
600 KB |
Output is correct |
8 |
Correct |
1 ms |
600 KB |
Output is correct |
9 |
Correct |
1 ms |
600 KB |
Output is correct |
10 |
Correct |
1 ms |
600 KB |
Output is correct |
11 |
Correct |
9 ms |
2660 KB |
Output is correct |
12 |
Correct |
21 ms |
4816 KB |
Output is correct |
13 |
Correct |
71 ms |
13772 KB |
Output is correct |
14 |
Correct |
70 ms |
23108 KB |
Output is correct |
15 |
Correct |
124 ms |
25036 KB |
Output is correct |
16 |
Correct |
72 ms |
20952 KB |
Output is correct |
17 |
Correct |
75 ms |
22068 KB |
Output is correct |
18 |
Correct |
82 ms |
22220 KB |
Output is correct |
19 |
Correct |
32 ms |
7132 KB |
Output is correct |
20 |
Correct |
79 ms |
15940 KB |
Output is correct |
21 |
Correct |
75 ms |
23108 KB |
Output is correct |
22 |
Correct |
120 ms |
25004 KB |
Output is correct |
23 |
Correct |
128 ms |
24524 KB |
Output is correct |
24 |
Correct |
65 ms |
22196 KB |
Output is correct |
25 |
Correct |
1 ms |
348 KB |
Output is correct |
26 |
Correct |
1 ms |
604 KB |
Output is correct |
27 |
Correct |
1 ms |
604 KB |
Output is correct |
28 |
Correct |
1 ms |
604 KB |
Output is correct |
29 |
Correct |
1 ms |
604 KB |
Output is correct |
30 |
Correct |
1 ms |
604 KB |
Output is correct |
31 |
Correct |
1 ms |
604 KB |
Output is correct |
32 |
Correct |
1 ms |
600 KB |
Output is correct |
33 |
Correct |
28 ms |
7124 KB |
Output is correct |
34 |
Correct |
69 ms |
18120 KB |
Output is correct |
35 |
Correct |
112 ms |
26920 KB |
Output is correct |
36 |
Correct |
106 ms |
24524 KB |
Output is correct |
37 |
Correct |
112 ms |
24992 KB |
Output is correct |
38 |
Correct |
115 ms |
27080 KB |
Output is correct |
39 |
Correct |
76 ms |
23244 KB |
Output is correct |
40 |
Correct |
80 ms |
21604 KB |
Output is correct |
41 |
Correct |
72 ms |
22220 KB |
Output is correct |
42 |
Correct |
73 ms |
22196 KB |
Output is correct |
43 |
Correct |
77 ms |
22056 KB |
Output is correct |
44 |
Correct |
80 ms |
22068 KB |
Output is correct |
45 |
Correct |
124 ms |
26824 KB |
Output is correct |
46 |
Correct |
91 ms |
22456 KB |
Output is correct |
47 |
Correct |
74 ms |
19404 KB |
Output is correct |