#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;
#define pb push_back
#define f first
#define s second
int main() {
int N;
cin >> N;
vector<pl> items(N);
for (int i = 0; i < N; i++) {
cin >> items[i].f >> items[i].s;
}
sort(items.begin(), items.end());
ll preB = 0;
ll maxFirst = -1e15;
ll ans = -1e15;
for (int i = 0; i < N; i++) {
maxFirst = max(maxFirst, -preB + items[i].f);
ll second = preB + items[i].s - items[i].f;
ans = max(ans, maxFirst + second);
preB += items[i].s;
}
cout << ans << endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
248 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
256 KB |
Output is correct |
4 |
Correct |
5 ms |
256 KB |
Output is correct |
5 |
Correct |
5 ms |
256 KB |
Output is correct |
6 |
Correct |
5 ms |
256 KB |
Output is correct |
7 |
Correct |
5 ms |
256 KB |
Output is correct |
8 |
Correct |
5 ms |
248 KB |
Output is correct |
9 |
Correct |
5 ms |
256 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
248 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
256 KB |
Output is correct |
4 |
Correct |
5 ms |
256 KB |
Output is correct |
5 |
Correct |
5 ms |
256 KB |
Output is correct |
6 |
Correct |
5 ms |
256 KB |
Output is correct |
7 |
Correct |
5 ms |
256 KB |
Output is correct |
8 |
Correct |
5 ms |
248 KB |
Output is correct |
9 |
Correct |
5 ms |
256 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
256 KB |
Output is correct |
12 |
Correct |
5 ms |
256 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
6 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
5 ms |
256 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
256 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
248 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
256 KB |
Output is correct |
4 |
Correct |
5 ms |
256 KB |
Output is correct |
5 |
Correct |
5 ms |
256 KB |
Output is correct |
6 |
Correct |
5 ms |
256 KB |
Output is correct |
7 |
Correct |
5 ms |
256 KB |
Output is correct |
8 |
Correct |
5 ms |
248 KB |
Output is correct |
9 |
Correct |
5 ms |
256 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
256 KB |
Output is correct |
12 |
Correct |
5 ms |
256 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
6 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
5 ms |
256 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
256 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
256 KB |
Output is correct |
27 |
Correct |
14 ms |
504 KB |
Output is correct |
28 |
Correct |
13 ms |
504 KB |
Output is correct |
29 |
Correct |
13 ms |
504 KB |
Output is correct |
30 |
Correct |
13 ms |
552 KB |
Output is correct |
31 |
Correct |
15 ms |
632 KB |
Output is correct |
32 |
Correct |
13 ms |
504 KB |
Output is correct |
33 |
Correct |
13 ms |
504 KB |
Output is correct |
34 |
Correct |
13 ms |
504 KB |
Output is correct |
35 |
Correct |
13 ms |
504 KB |
Output is correct |
36 |
Correct |
13 ms |
504 KB |
Output is correct |
37 |
Correct |
13 ms |
504 KB |
Output is correct |
38 |
Correct |
13 ms |
508 KB |
Output is correct |
39 |
Correct |
13 ms |
504 KB |
Output is correct |
40 |
Correct |
13 ms |
508 KB |
Output is correct |
41 |
Correct |
13 ms |
504 KB |
Output is correct |
42 |
Correct |
13 ms |
504 KB |
Output is correct |
43 |
Correct |
13 ms |
504 KB |
Output is correct |
44 |
Correct |
13 ms |
504 KB |
Output is correct |
45 |
Correct |
13 ms |
504 KB |
Output is correct |
46 |
Correct |
13 ms |
504 KB |
Output is correct |
47 |
Correct |
13 ms |
632 KB |
Output is correct |
48 |
Correct |
13 ms |
504 KB |
Output is correct |
49 |
Correct |
13 ms |
504 KB |
Output is correct |
50 |
Correct |
13 ms |
508 KB |
Output is correct |
51 |
Correct |
13 ms |
504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
248 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
256 KB |
Output is correct |
4 |
Correct |
5 ms |
256 KB |
Output is correct |
5 |
Correct |
5 ms |
256 KB |
Output is correct |
6 |
Correct |
5 ms |
256 KB |
Output is correct |
7 |
Correct |
5 ms |
256 KB |
Output is correct |
8 |
Correct |
5 ms |
248 KB |
Output is correct |
9 |
Correct |
5 ms |
256 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
256 KB |
Output is correct |
12 |
Correct |
5 ms |
256 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
6 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
5 ms |
256 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
256 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
256 KB |
Output is correct |
27 |
Correct |
14 ms |
504 KB |
Output is correct |
28 |
Correct |
13 ms |
504 KB |
Output is correct |
29 |
Correct |
13 ms |
504 KB |
Output is correct |
30 |
Correct |
13 ms |
552 KB |
Output is correct |
31 |
Correct |
15 ms |
632 KB |
Output is correct |
32 |
Correct |
13 ms |
504 KB |
Output is correct |
33 |
Correct |
13 ms |
504 KB |
Output is correct |
34 |
Correct |
13 ms |
504 KB |
Output is correct |
35 |
Correct |
13 ms |
504 KB |
Output is correct |
36 |
Correct |
13 ms |
504 KB |
Output is correct |
37 |
Correct |
13 ms |
504 KB |
Output is correct |
38 |
Correct |
13 ms |
508 KB |
Output is correct |
39 |
Correct |
13 ms |
504 KB |
Output is correct |
40 |
Correct |
13 ms |
508 KB |
Output is correct |
41 |
Correct |
13 ms |
504 KB |
Output is correct |
42 |
Correct |
13 ms |
504 KB |
Output is correct |
43 |
Correct |
13 ms |
504 KB |
Output is correct |
44 |
Correct |
13 ms |
504 KB |
Output is correct |
45 |
Correct |
13 ms |
504 KB |
Output is correct |
46 |
Correct |
13 ms |
504 KB |
Output is correct |
47 |
Correct |
13 ms |
632 KB |
Output is correct |
48 |
Correct |
13 ms |
504 KB |
Output is correct |
49 |
Correct |
13 ms |
504 KB |
Output is correct |
50 |
Correct |
13 ms |
508 KB |
Output is correct |
51 |
Correct |
13 ms |
504 KB |
Output is correct |
52 |
Correct |
810 ms |
11464 KB |
Output is correct |
53 |
Correct |
813 ms |
11128 KB |
Output is correct |
54 |
Correct |
809 ms |
11128 KB |
Output is correct |
55 |
Correct |
817 ms |
11152 KB |
Output is correct |
56 |
Correct |
819 ms |
11000 KB |
Output is correct |
57 |
Correct |
806 ms |
11128 KB |
Output is correct |
58 |
Correct |
815 ms |
11004 KB |
Output is correct |
59 |
Correct |
817 ms |
11128 KB |
Output is correct |
60 |
Correct |
806 ms |
11128 KB |
Output is correct |
61 |
Correct |
804 ms |
11128 KB |
Output is correct |
62 |
Correct |
807 ms |
11128 KB |
Output is correct |
63 |
Correct |
816 ms |
11128 KB |
Output is correct |
64 |
Correct |
813 ms |
11256 KB |
Output is correct |
65 |
Correct |
818 ms |
11128 KB |
Output is correct |
66 |
Correct |
807 ms |
11016 KB |
Output is correct |
67 |
Correct |
813 ms |
11104 KB |
Output is correct |
68 |
Correct |
899 ms |
11128 KB |
Output is correct |