#include<bits/stdc++.h>
using namespace std;
int main () {
int n;
cin >> n;
int a[n], b[n];
long long res=0;
long long d=0, dd=0;
priority_queue<long long> pq;
for(int i = 0;i<n;i++) {
cin >> a[i] >> b[i];
dd+=a[i]-b[i];
}
for(int i = 0;i<n;i++) {
d+=a[i]-b[i];
long long c=d;
if(c<0) {
res-=c;
c=0;
}
if(c>dd) {
res+=c-dd;
c=dd;
}
// cerr << c << " " << d << endl;
pq.push(c);
if(pq.top()!=c) {
res+=pq.top()-c;
pq.pop();
pq.push(c);
}
}
cout << res << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
2 ms |
340 KB |
Output is correct |
4 |
Correct |
19 ms |
1232 KB |
Output is correct |
5 |
Correct |
41 ms |
2196 KB |
Output is correct |
6 |
Correct |
144 ms |
4388 KB |
Output is correct |
7 |
Correct |
275 ms |
8396 KB |
Output is correct |
8 |
Correct |
235 ms |
8396 KB |
Output is correct |
9 |
Correct |
211 ms |
8388 KB |
Output is correct |
10 |
Correct |
142 ms |
8396 KB |
Output is correct |
11 |
Correct |
148 ms |
8392 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
2 ms |
340 KB |
Output is correct |
4 |
Correct |
19 ms |
1232 KB |
Output is correct |
5 |
Correct |
41 ms |
2196 KB |
Output is correct |
6 |
Correct |
144 ms |
4388 KB |
Output is correct |
7 |
Correct |
275 ms |
8396 KB |
Output is correct |
8 |
Correct |
235 ms |
8396 KB |
Output is correct |
9 |
Correct |
211 ms |
8388 KB |
Output is correct |
10 |
Correct |
142 ms |
8396 KB |
Output is correct |
11 |
Correct |
148 ms |
8392 KB |
Output is correct |
12 |
Correct |
72 ms |
2408 KB |
Output is correct |
13 |
Correct |
175 ms |
10904 KB |
Output is correct |
14 |
Correct |
294 ms |
15176 KB |
Output is correct |
15 |
Correct |
241 ms |
13240 KB |
Output is correct |
16 |
Correct |
229 ms |
12544 KB |
Output is correct |
17 |
Correct |
151 ms |
10300 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
300 KB |
Output is correct |
6 |
Correct |
1 ms |
304 KB |
Output is correct |
7 |
Correct |
2 ms |
308 KB |
Output is correct |
8 |
Correct |
2 ms |
340 KB |
Output is correct |
9 |
Correct |
2 ms |
340 KB |
Output is correct |
10 |
Correct |
2 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
2 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
300 KB |
Output is correct |
6 |
Correct |
1 ms |
304 KB |
Output is correct |
7 |
Correct |
2 ms |
308 KB |
Output is correct |
8 |
Correct |
2 ms |
340 KB |
Output is correct |
9 |
Correct |
2 ms |
340 KB |
Output is correct |
10 |
Correct |
2 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
2 ms |
312 KB |
Output is correct |
13 |
Correct |
2 ms |
468 KB |
Output is correct |
14 |
Correct |
3 ms |
356 KB |
Output is correct |
15 |
Correct |
2 ms |
312 KB |
Output is correct |
16 |
Correct |
2 ms |
340 KB |
Output is correct |
17 |
Correct |
2 ms |
336 KB |
Output is correct |
18 |
Correct |
2 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
2 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
300 KB |
Output is correct |
6 |
Correct |
1 ms |
304 KB |
Output is correct |
7 |
Correct |
2 ms |
308 KB |
Output is correct |
8 |
Correct |
2 ms |
340 KB |
Output is correct |
9 |
Correct |
2 ms |
340 KB |
Output is correct |
10 |
Correct |
2 ms |
340 KB |
Output is correct |
11 |
Correct |
19 ms |
1232 KB |
Output is correct |
12 |
Correct |
41 ms |
2196 KB |
Output is correct |
13 |
Correct |
144 ms |
4388 KB |
Output is correct |
14 |
Correct |
275 ms |
8396 KB |
Output is correct |
15 |
Correct |
235 ms |
8396 KB |
Output is correct |
16 |
Correct |
211 ms |
8388 KB |
Output is correct |
17 |
Correct |
142 ms |
8396 KB |
Output is correct |
18 |
Correct |
148 ms |
8392 KB |
Output is correct |
19 |
Correct |
72 ms |
2408 KB |
Output is correct |
20 |
Correct |
175 ms |
10904 KB |
Output is correct |
21 |
Correct |
294 ms |
15176 KB |
Output is correct |
22 |
Correct |
241 ms |
13240 KB |
Output is correct |
23 |
Correct |
229 ms |
12544 KB |
Output is correct |
24 |
Correct |
151 ms |
10300 KB |
Output is correct |
25 |
Correct |
2 ms |
312 KB |
Output is correct |
26 |
Correct |
2 ms |
468 KB |
Output is correct |
27 |
Correct |
3 ms |
356 KB |
Output is correct |
28 |
Correct |
2 ms |
312 KB |
Output is correct |
29 |
Correct |
2 ms |
340 KB |
Output is correct |
30 |
Correct |
2 ms |
336 KB |
Output is correct |
31 |
Correct |
2 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
87 ms |
4052 KB |
Output is correct |
34 |
Correct |
201 ms |
10836 KB |
Output is correct |
35 |
Correct |
360 ms |
15164 KB |
Output is correct |
36 |
Correct |
280 ms |
12732 KB |
Output is correct |
37 |
Correct |
305 ms |
13208 KB |
Output is correct |
38 |
Correct |
346 ms |
15164 KB |
Output is correct |
39 |
Correct |
187 ms |
11448 KB |
Output is correct |
40 |
Correct |
198 ms |
10828 KB |
Output is correct |
41 |
Correct |
173 ms |
10300 KB |
Output is correct |
42 |
Correct |
166 ms |
10312 KB |
Output is correct |
43 |
Correct |
169 ms |
10312 KB |
Output is correct |
44 |
Correct |
164 ms |
10300 KB |
Output is correct |
45 |
Correct |
301 ms |
15048 KB |
Output is correct |
46 |
Correct |
174 ms |
10684 KB |
Output is correct |
47 |
Correct |
183 ms |
10192 KB |
Output is correct |