#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define arr array
#define vec vector
#define sz(a) ((int)(a).size())
void p2() {
/*
2 3 ->
4 5 -> 4
11 2 -> 0
*/
int N;
cin >> N;
vector<arr<ll, 2>> AB(N);
// arr<int, 2> AB[N];
for(int i = 0; i < N; i++) {
cin >> AB[i][0] >> AB[i][1];
}
sort(AB.begin(), AB.end());
ll pref[N + 1];
pref[0] = 0;
for(int i = 1; i <= N; i++) {
pref[i] = pref[i - 1] + AB[i - 1][1];
}
ll sufmax[N + 2];
sufmax[N + 1] = -9e18;
for(int i = N; i >= 1; i--) {
sufmax[i] = max(sufmax[i + 1], pref[i] - AB[i - 1][0]);
}
ll ans = -9e18;
for(int i = 1; i <= N; i++) {
ans = max(ans, sufmax[i] - pref[i - 1] + AB[i - 1][0]);
}
cout << ans << endl;
}
int main() {
p2();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
444 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
504 KB |
Output is correct |
11 |
Correct |
1 ms |
440 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
444 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
504 KB |
Output is correct |
11 |
Correct |
1 ms |
440 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
588 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
444 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
1 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
1 ms |
428 KB |
Output is correct |
24 |
Correct |
1 ms |
504 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
592 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
444 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
504 KB |
Output is correct |
11 |
Correct |
1 ms |
440 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
588 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
444 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
1 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
1 ms |
428 KB |
Output is correct |
24 |
Correct |
1 ms |
504 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
592 KB |
Output is correct |
27 |
Correct |
4 ms |
592 KB |
Output is correct |
28 |
Correct |
5 ms |
592 KB |
Output is correct |
29 |
Correct |
4 ms |
592 KB |
Output is correct |
30 |
Correct |
4 ms |
592 KB |
Output is correct |
31 |
Correct |
4 ms |
592 KB |
Output is correct |
32 |
Correct |
4 ms |
592 KB |
Output is correct |
33 |
Correct |
4 ms |
592 KB |
Output is correct |
34 |
Correct |
5 ms |
592 KB |
Output is correct |
35 |
Correct |
4 ms |
592 KB |
Output is correct |
36 |
Correct |
4 ms |
592 KB |
Output is correct |
37 |
Correct |
4 ms |
528 KB |
Output is correct |
38 |
Correct |
4 ms |
592 KB |
Output is correct |
39 |
Correct |
4 ms |
592 KB |
Output is correct |
40 |
Correct |
4 ms |
764 KB |
Output is correct |
41 |
Correct |
5 ms |
592 KB |
Output is correct |
42 |
Correct |
4 ms |
592 KB |
Output is correct |
43 |
Correct |
4 ms |
592 KB |
Output is correct |
44 |
Correct |
4 ms |
592 KB |
Output is correct |
45 |
Correct |
4 ms |
592 KB |
Output is correct |
46 |
Correct |
4 ms |
592 KB |
Output is correct |
47 |
Correct |
4 ms |
592 KB |
Output is correct |
48 |
Correct |
4 ms |
760 KB |
Output is correct |
49 |
Correct |
5 ms |
592 KB |
Output is correct |
50 |
Correct |
5 ms |
636 KB |
Output is correct |
51 |
Correct |
4 ms |
644 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
336 KB |
Output is correct |
2 |
Correct |
1 ms |
336 KB |
Output is correct |
3 |
Correct |
1 ms |
336 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
336 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
444 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
504 KB |
Output is correct |
11 |
Correct |
1 ms |
440 KB |
Output is correct |
12 |
Correct |
1 ms |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
336 KB |
Output is correct |
14 |
Correct |
1 ms |
336 KB |
Output is correct |
15 |
Correct |
1 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
588 KB |
Output is correct |
17 |
Correct |
1 ms |
336 KB |
Output is correct |
18 |
Correct |
1 ms |
336 KB |
Output is correct |
19 |
Correct |
1 ms |
444 KB |
Output is correct |
20 |
Correct |
1 ms |
336 KB |
Output is correct |
21 |
Correct |
1 ms |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
336 KB |
Output is correct |
23 |
Correct |
1 ms |
428 KB |
Output is correct |
24 |
Correct |
1 ms |
504 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
592 KB |
Output is correct |
27 |
Correct |
4 ms |
592 KB |
Output is correct |
28 |
Correct |
5 ms |
592 KB |
Output is correct |
29 |
Correct |
4 ms |
592 KB |
Output is correct |
30 |
Correct |
4 ms |
592 KB |
Output is correct |
31 |
Correct |
4 ms |
592 KB |
Output is correct |
32 |
Correct |
4 ms |
592 KB |
Output is correct |
33 |
Correct |
4 ms |
592 KB |
Output is correct |
34 |
Correct |
5 ms |
592 KB |
Output is correct |
35 |
Correct |
4 ms |
592 KB |
Output is correct |
36 |
Correct |
4 ms |
592 KB |
Output is correct |
37 |
Correct |
4 ms |
528 KB |
Output is correct |
38 |
Correct |
4 ms |
592 KB |
Output is correct |
39 |
Correct |
4 ms |
592 KB |
Output is correct |
40 |
Correct |
4 ms |
764 KB |
Output is correct |
41 |
Correct |
5 ms |
592 KB |
Output is correct |
42 |
Correct |
4 ms |
592 KB |
Output is correct |
43 |
Correct |
4 ms |
592 KB |
Output is correct |
44 |
Correct |
4 ms |
592 KB |
Output is correct |
45 |
Correct |
4 ms |
592 KB |
Output is correct |
46 |
Correct |
4 ms |
592 KB |
Output is correct |
47 |
Correct |
4 ms |
592 KB |
Output is correct |
48 |
Correct |
4 ms |
760 KB |
Output is correct |
49 |
Correct |
5 ms |
592 KB |
Output is correct |
50 |
Correct |
5 ms |
636 KB |
Output is correct |
51 |
Correct |
4 ms |
644 KB |
Output is correct |
52 |
Correct |
356 ms |
28468 KB |
Output is correct |
53 |
Correct |
346 ms |
28492 KB |
Output is correct |
54 |
Correct |
355 ms |
28744 KB |
Output is correct |
55 |
Correct |
346 ms |
28488 KB |
Output is correct |
56 |
Correct |
348 ms |
28720 KB |
Output is correct |
57 |
Correct |
350 ms |
28596 KB |
Output is correct |
58 |
Correct |
345 ms |
28488 KB |
Output is correct |
59 |
Correct |
357 ms |
28488 KB |
Output is correct |
60 |
Correct |
345 ms |
28488 KB |
Output is correct |
61 |
Correct |
350 ms |
28444 KB |
Output is correct |
62 |
Correct |
344 ms |
28488 KB |
Output is correct |
63 |
Correct |
349 ms |
28576 KB |
Output is correct |
64 |
Correct |
345 ms |
28728 KB |
Output is correct |
65 |
Correct |
346 ms |
28724 KB |
Output is correct |
66 |
Correct |
355 ms |
28724 KB |
Output is correct |
67 |
Correct |
346 ms |
28584 KB |
Output is correct |
68 |
Correct |
356 ms |
28496 KB |
Output is correct |