#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
using namespace std;
#define int long long
#define nl '\n'
#define io ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
const int mod = 1000000007, mod2 = 998244353;
// change this
const int N = 500005;
int n, ans, maxi;
pair<int, int> arr[N];
signed main() {
io;
cin >> n;
for (int i=0; i<n; i++) {
cin >> arr[i].first >> arr[i].second;
}
sort(arr, arr+n);
maxi = -1e18;
for (int i=n-1; i>=0; i--) {
maxi = max(maxi + arr[i].second, arr[i].second - arr[i].first);
ans = max(ans, maxi + arr[i].first);
}
cout << ans << nl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
492 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
512 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
492 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
492 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
512 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
492 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
2 ms |
492 KB |
Output is correct |
28 |
Correct |
3 ms |
492 KB |
Output is correct |
29 |
Correct |
3 ms |
492 KB |
Output is correct |
30 |
Correct |
4 ms |
492 KB |
Output is correct |
31 |
Correct |
3 ms |
492 KB |
Output is correct |
32 |
Correct |
3 ms |
492 KB |
Output is correct |
33 |
Correct |
3 ms |
492 KB |
Output is correct |
34 |
Correct |
3 ms |
492 KB |
Output is correct |
35 |
Correct |
3 ms |
492 KB |
Output is correct |
36 |
Correct |
3 ms |
492 KB |
Output is correct |
37 |
Correct |
3 ms |
492 KB |
Output is correct |
38 |
Correct |
2 ms |
492 KB |
Output is correct |
39 |
Correct |
2 ms |
492 KB |
Output is correct |
40 |
Correct |
2 ms |
492 KB |
Output is correct |
41 |
Correct |
2 ms |
492 KB |
Output is correct |
42 |
Correct |
3 ms |
492 KB |
Output is correct |
43 |
Correct |
3 ms |
492 KB |
Output is correct |
44 |
Correct |
3 ms |
492 KB |
Output is correct |
45 |
Correct |
3 ms |
492 KB |
Output is correct |
46 |
Correct |
3 ms |
492 KB |
Output is correct |
47 |
Correct |
3 ms |
492 KB |
Output is correct |
48 |
Correct |
3 ms |
492 KB |
Output is correct |
49 |
Correct |
3 ms |
492 KB |
Output is correct |
50 |
Correct |
3 ms |
492 KB |
Output is correct |
51 |
Correct |
3 ms |
492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
364 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
492 KB |
Output is correct |
12 |
Correct |
1 ms |
364 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
364 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
512 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
492 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
2 ms |
492 KB |
Output is correct |
28 |
Correct |
3 ms |
492 KB |
Output is correct |
29 |
Correct |
3 ms |
492 KB |
Output is correct |
30 |
Correct |
4 ms |
492 KB |
Output is correct |
31 |
Correct |
3 ms |
492 KB |
Output is correct |
32 |
Correct |
3 ms |
492 KB |
Output is correct |
33 |
Correct |
3 ms |
492 KB |
Output is correct |
34 |
Correct |
3 ms |
492 KB |
Output is correct |
35 |
Correct |
3 ms |
492 KB |
Output is correct |
36 |
Correct |
3 ms |
492 KB |
Output is correct |
37 |
Correct |
3 ms |
492 KB |
Output is correct |
38 |
Correct |
2 ms |
492 KB |
Output is correct |
39 |
Correct |
2 ms |
492 KB |
Output is correct |
40 |
Correct |
2 ms |
492 KB |
Output is correct |
41 |
Correct |
2 ms |
492 KB |
Output is correct |
42 |
Correct |
3 ms |
492 KB |
Output is correct |
43 |
Correct |
3 ms |
492 KB |
Output is correct |
44 |
Correct |
3 ms |
492 KB |
Output is correct |
45 |
Correct |
3 ms |
492 KB |
Output is correct |
46 |
Correct |
3 ms |
492 KB |
Output is correct |
47 |
Correct |
3 ms |
492 KB |
Output is correct |
48 |
Correct |
3 ms |
492 KB |
Output is correct |
49 |
Correct |
3 ms |
492 KB |
Output is correct |
50 |
Correct |
3 ms |
492 KB |
Output is correct |
51 |
Correct |
3 ms |
492 KB |
Output is correct |
52 |
Correct |
201 ms |
15332 KB |
Output is correct |
53 |
Correct |
198 ms |
15212 KB |
Output is correct |
54 |
Correct |
199 ms |
15340 KB |
Output is correct |
55 |
Correct |
203 ms |
15212 KB |
Output is correct |
56 |
Correct |
198 ms |
15212 KB |
Output is correct |
57 |
Correct |
249 ms |
15212 KB |
Output is correct |
58 |
Correct |
196 ms |
15212 KB |
Output is correct |
59 |
Correct |
205 ms |
15340 KB |
Output is correct |
60 |
Correct |
199 ms |
15340 KB |
Output is correct |
61 |
Correct |
206 ms |
15212 KB |
Output is correct |
62 |
Correct |
199 ms |
15212 KB |
Output is correct |
63 |
Correct |
207 ms |
15212 KB |
Output is correct |
64 |
Correct |
200 ms |
15340 KB |
Output is correct |
65 |
Correct |
215 ms |
15212 KB |
Output is correct |
66 |
Correct |
213 ms |
15324 KB |
Output is correct |
67 |
Correct |
201 ms |
15340 KB |
Output is correct |
68 |
Correct |
197 ms |
15212 KB |
Output is correct |