#include<bits/stdc++.h>
using namespace std;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int N; cin>>N;
vector<long long> t(N);
for(int i = 0; i < N; i++){
int a, b; cin>>a>>b;
t[i] = a - b;
}
priority_queue<long long, vector<long long>, greater<long long>> q;
for(int i = 0; i < N; i++)q.push(0);
long long shift = 0;
long long val = 0;
for(int i = 1; i <= N; i++){
//wywalamy pierwszy punkt
q.pop();
//przesuwamy
shift += t[i-1];
//pobieramy pozycje pierwszego punktu
long long x = q.top() + shift;
if(x <= 0){
val += abs(x);
}
q.push(-shift); q.push(-shift);
}
long long x = q.top() + shift;
long long result;
if(x >= 0){
result = val + x;
}else{
result = val;
int slope = 0;
q.pop();
while(q.top() + shift < 0){
result += slope * (q.top() + shift - x);
x = q.top() + shift;
q.pop();
slope++;
}
result += -slope * x;
}
cout<<result;
return 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 |
15 ms |
1864 KB |
Output is correct |
5 |
Correct |
31 ms |
3212 KB |
Output is correct |
6 |
Correct |
106 ms |
6496 KB |
Output is correct |
7 |
Correct |
158 ms |
12540 KB |
Output is correct |
8 |
Correct |
175 ms |
12548 KB |
Output is correct |
9 |
Correct |
158 ms |
16744 KB |
Output is correct |
10 |
Correct |
121 ms |
14524 KB |
Output is correct |
11 |
Correct |
116 ms |
14448 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 |
15 ms |
1864 KB |
Output is correct |
5 |
Correct |
31 ms |
3212 KB |
Output is correct |
6 |
Correct |
106 ms |
6496 KB |
Output is correct |
7 |
Correct |
158 ms |
12540 KB |
Output is correct |
8 |
Correct |
175 ms |
12548 KB |
Output is correct |
9 |
Correct |
158 ms |
16744 KB |
Output is correct |
10 |
Correct |
121 ms |
14524 KB |
Output is correct |
11 |
Correct |
116 ms |
14448 KB |
Output is correct |
12 |
Correct |
50 ms |
5120 KB |
Output is correct |
13 |
Correct |
137 ms |
15168 KB |
Output is correct |
14 |
Correct |
143 ms |
19316 KB |
Output is correct |
15 |
Correct |
191 ms |
17464 KB |
Output is correct |
16 |
Correct |
204 ms |
16748 KB |
Output is correct |
17 |
Correct |
110 ms |
14444 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 |
2 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
460 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 |
2 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
460 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 |
332 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 |
2 ms |
332 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
460 KB |
Output is correct |
11 |
Correct |
15 ms |
1864 KB |
Output is correct |
12 |
Correct |
31 ms |
3212 KB |
Output is correct |
13 |
Correct |
106 ms |
6496 KB |
Output is correct |
14 |
Correct |
158 ms |
12540 KB |
Output is correct |
15 |
Correct |
175 ms |
12548 KB |
Output is correct |
16 |
Correct |
158 ms |
16744 KB |
Output is correct |
17 |
Correct |
121 ms |
14524 KB |
Output is correct |
18 |
Correct |
116 ms |
14448 KB |
Output is correct |
19 |
Correct |
50 ms |
5120 KB |
Output is correct |
20 |
Correct |
137 ms |
15168 KB |
Output is correct |
21 |
Correct |
143 ms |
19316 KB |
Output is correct |
22 |
Correct |
191 ms |
17464 KB |
Output is correct |
23 |
Correct |
204 ms |
16748 KB |
Output is correct |
24 |
Correct |
110 ms |
14444 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 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 |
42 ms |
5120 KB |
Output is correct |
34 |
Correct |
94 ms |
15020 KB |
Output is correct |
35 |
Correct |
177 ms |
19300 KB |
Output is correct |
36 |
Correct |
157 ms |
16868 KB |
Output is correct |
37 |
Correct |
164 ms |
17464 KB |
Output is correct |
38 |
Correct |
152 ms |
19296 KB |
Output is correct |
39 |
Correct |
114 ms |
15476 KB |
Output is correct |
40 |
Correct |
121 ms |
15032 KB |
Output is correct |
41 |
Correct |
112 ms |
14432 KB |
Output is correct |
42 |
Correct |
124 ms |
14448 KB |
Output is correct |
43 |
Correct |
111 ms |
14520 KB |
Output is correct |
44 |
Correct |
98 ms |
14432 KB |
Output is correct |
45 |
Correct |
187 ms |
19308 KB |
Output is correct |
46 |
Correct |
145 ms |
14776 KB |
Output is correct |
47 |
Correct |
102 ms |
14356 KB |
Output is correct |