#include <bits/stdc++.h>
using namespace std;
int n;
pair<long long, int> a[500002];
int main() {
cin >> n;
long long ans = 0, mx = 0;
for (int i = 0; i < n; ++i) cin >> a[i].first >> a[i].second;
sort(a, a + n);
for (int i = 0; i < n; ++i) {
auto x = a[i].first;
auto y = a[i].second;
long long r = mx + y - x;
r = max(r, 1ll * y);
ans = max(ans, r);
mx = max(mx, r + x);
}
cout << ans << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
3 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
3 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
2 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
3 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
3 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
2 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
3 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
7 ms |
512 KB |
Output is correct |
28 |
Correct |
7 ms |
512 KB |
Output is correct |
29 |
Correct |
8 ms |
564 KB |
Output is correct |
30 |
Correct |
8 ms |
512 KB |
Output is correct |
31 |
Correct |
6 ms |
384 KB |
Output is correct |
32 |
Correct |
7 ms |
512 KB |
Output is correct |
33 |
Correct |
8 ms |
648 KB |
Output is correct |
34 |
Correct |
8 ms |
512 KB |
Output is correct |
35 |
Correct |
8 ms |
512 KB |
Output is correct |
36 |
Correct |
8 ms |
512 KB |
Output is correct |
37 |
Correct |
7 ms |
512 KB |
Output is correct |
38 |
Correct |
8 ms |
512 KB |
Output is correct |
39 |
Correct |
7 ms |
512 KB |
Output is correct |
40 |
Correct |
7 ms |
512 KB |
Output is correct |
41 |
Correct |
7 ms |
512 KB |
Output is correct |
42 |
Correct |
7 ms |
512 KB |
Output is correct |
43 |
Correct |
8 ms |
512 KB |
Output is correct |
44 |
Correct |
7 ms |
640 KB |
Output is correct |
45 |
Correct |
7 ms |
512 KB |
Output is correct |
46 |
Correct |
7 ms |
512 KB |
Output is correct |
47 |
Correct |
7 ms |
512 KB |
Output is correct |
48 |
Correct |
7 ms |
556 KB |
Output is correct |
49 |
Correct |
7 ms |
512 KB |
Output is correct |
50 |
Correct |
7 ms |
512 KB |
Output is correct |
51 |
Correct |
7 ms |
512 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
256 KB |
Output is correct |
4 |
Correct |
2 ms |
384 KB |
Output is correct |
5 |
Correct |
2 ms |
256 KB |
Output is correct |
6 |
Correct |
2 ms |
384 KB |
Output is correct |
7 |
Correct |
2 ms |
384 KB |
Output is correct |
8 |
Correct |
2 ms |
384 KB |
Output is correct |
9 |
Correct |
2 ms |
384 KB |
Output is correct |
10 |
Correct |
3 ms |
384 KB |
Output is correct |
11 |
Correct |
2 ms |
384 KB |
Output is correct |
12 |
Correct |
2 ms |
384 KB |
Output is correct |
13 |
Correct |
2 ms |
384 KB |
Output is correct |
14 |
Correct |
2 ms |
384 KB |
Output is correct |
15 |
Correct |
2 ms |
384 KB |
Output is correct |
16 |
Correct |
3 ms |
384 KB |
Output is correct |
17 |
Correct |
2 ms |
384 KB |
Output is correct |
18 |
Correct |
2 ms |
384 KB |
Output is correct |
19 |
Correct |
2 ms |
384 KB |
Output is correct |
20 |
Correct |
2 ms |
384 KB |
Output is correct |
21 |
Correct |
2 ms |
384 KB |
Output is correct |
22 |
Correct |
2 ms |
384 KB |
Output is correct |
23 |
Correct |
2 ms |
384 KB |
Output is correct |
24 |
Correct |
2 ms |
384 KB |
Output is correct |
25 |
Correct |
2 ms |
384 KB |
Output is correct |
26 |
Correct |
2 ms |
384 KB |
Output is correct |
27 |
Correct |
7 ms |
512 KB |
Output is correct |
28 |
Correct |
7 ms |
512 KB |
Output is correct |
29 |
Correct |
8 ms |
564 KB |
Output is correct |
30 |
Correct |
8 ms |
512 KB |
Output is correct |
31 |
Correct |
6 ms |
384 KB |
Output is correct |
32 |
Correct |
7 ms |
512 KB |
Output is correct |
33 |
Correct |
8 ms |
648 KB |
Output is correct |
34 |
Correct |
8 ms |
512 KB |
Output is correct |
35 |
Correct |
8 ms |
512 KB |
Output is correct |
36 |
Correct |
8 ms |
512 KB |
Output is correct |
37 |
Correct |
7 ms |
512 KB |
Output is correct |
38 |
Correct |
8 ms |
512 KB |
Output is correct |
39 |
Correct |
7 ms |
512 KB |
Output is correct |
40 |
Correct |
7 ms |
512 KB |
Output is correct |
41 |
Correct |
7 ms |
512 KB |
Output is correct |
42 |
Correct |
7 ms |
512 KB |
Output is correct |
43 |
Correct |
8 ms |
512 KB |
Output is correct |
44 |
Correct |
7 ms |
640 KB |
Output is correct |
45 |
Correct |
7 ms |
512 KB |
Output is correct |
46 |
Correct |
7 ms |
512 KB |
Output is correct |
47 |
Correct |
7 ms |
512 KB |
Output is correct |
48 |
Correct |
7 ms |
556 KB |
Output is correct |
49 |
Correct |
7 ms |
512 KB |
Output is correct |
50 |
Correct |
7 ms |
512 KB |
Output is correct |
51 |
Correct |
7 ms |
512 KB |
Output is correct |
52 |
Correct |
536 ms |
20860 KB |
Output is correct |
53 |
Correct |
530 ms |
20940 KB |
Output is correct |
54 |
Correct |
535 ms |
20984 KB |
Output is correct |
55 |
Correct |
523 ms |
20964 KB |
Output is correct |
56 |
Correct |
540 ms |
21112 KB |
Output is correct |
57 |
Correct |
615 ms |
20984 KB |
Output is correct |
58 |
Correct |
578 ms |
21056 KB |
Output is correct |
59 |
Correct |
546 ms |
20984 KB |
Output is correct |
60 |
Correct |
546 ms |
21124 KB |
Output is correct |
61 |
Correct |
545 ms |
20856 KB |
Output is correct |
62 |
Correct |
549 ms |
20988 KB |
Output is correct |
63 |
Correct |
580 ms |
20984 KB |
Output is correct |
64 |
Correct |
525 ms |
20840 KB |
Output is correct |
65 |
Correct |
532 ms |
20856 KB |
Output is correct |
66 |
Correct |
523 ms |
20984 KB |
Output is correct |
67 |
Correct |
521 ms |
21012 KB |
Output is correct |
68 |
Correct |
520 ms |
20984 KB |
Output is correct |