#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=5e5+7;
pair<ll,ll>T[LIM];
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int n;
cin >> n;
rep(i, n) cin >> T[i].st >> T[i].nd;
sort(T, T+n);
T[n].st=T[n-1].st;
ll akt=0, ans=0;
rep(i, n) {
ans=max(ans, akt+T[i].nd);
akt=max(akt+T[i].st+T[i].nd-T[i+1].st, 0ll);
}
cout << ans << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
320 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
324 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
324 KB |
Output is correct |
8 |
Correct |
0 ms |
320 KB |
Output is correct |
9 |
Correct |
1 ms |
316 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
320 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
324 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
324 KB |
Output is correct |
8 |
Correct |
0 ms |
320 KB |
Output is correct |
9 |
Correct |
1 ms |
316 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
320 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
324 KB |
Output is correct |
16 |
Correct |
0 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
320 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
0 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
320 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
324 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
324 KB |
Output is correct |
8 |
Correct |
0 ms |
320 KB |
Output is correct |
9 |
Correct |
1 ms |
316 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
320 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
324 KB |
Output is correct |
16 |
Correct |
0 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
320 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
0 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
2 ms |
460 KB |
Output is correct |
28 |
Correct |
2 ms |
456 KB |
Output is correct |
29 |
Correct |
2 ms |
460 KB |
Output is correct |
30 |
Correct |
2 ms |
460 KB |
Output is correct |
31 |
Correct |
2 ms |
460 KB |
Output is correct |
32 |
Correct |
2 ms |
460 KB |
Output is correct |
33 |
Correct |
2 ms |
464 KB |
Output is correct |
34 |
Correct |
2 ms |
460 KB |
Output is correct |
35 |
Correct |
2 ms |
460 KB |
Output is correct |
36 |
Correct |
2 ms |
512 KB |
Output is correct |
37 |
Correct |
2 ms |
456 KB |
Output is correct |
38 |
Correct |
2 ms |
460 KB |
Output is correct |
39 |
Correct |
2 ms |
464 KB |
Output is correct |
40 |
Correct |
2 ms |
464 KB |
Output is correct |
41 |
Correct |
2 ms |
460 KB |
Output is correct |
42 |
Correct |
2 ms |
460 KB |
Output is correct |
43 |
Correct |
2 ms |
508 KB |
Output is correct |
44 |
Correct |
2 ms |
508 KB |
Output is correct |
45 |
Correct |
2 ms |
460 KB |
Output is correct |
46 |
Correct |
2 ms |
460 KB |
Output is correct |
47 |
Correct |
2 ms |
460 KB |
Output is correct |
48 |
Correct |
2 ms |
460 KB |
Output is correct |
49 |
Correct |
2 ms |
460 KB |
Output is correct |
50 |
Correct |
2 ms |
468 KB |
Output is correct |
51 |
Correct |
2 ms |
456 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
320 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
324 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
324 KB |
Output is correct |
8 |
Correct |
0 ms |
320 KB |
Output is correct |
9 |
Correct |
1 ms |
316 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
320 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
324 KB |
Output is correct |
16 |
Correct |
0 ms |
332 KB |
Output is correct |
17 |
Correct |
1 ms |
320 KB |
Output is correct |
18 |
Correct |
0 ms |
332 KB |
Output is correct |
19 |
Correct |
1 ms |
332 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
1 ms |
332 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
0 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
1 ms |
332 KB |
Output is correct |
26 |
Correct |
1 ms |
332 KB |
Output is correct |
27 |
Correct |
2 ms |
460 KB |
Output is correct |
28 |
Correct |
2 ms |
456 KB |
Output is correct |
29 |
Correct |
2 ms |
460 KB |
Output is correct |
30 |
Correct |
2 ms |
460 KB |
Output is correct |
31 |
Correct |
2 ms |
460 KB |
Output is correct |
32 |
Correct |
2 ms |
460 KB |
Output is correct |
33 |
Correct |
2 ms |
464 KB |
Output is correct |
34 |
Correct |
2 ms |
460 KB |
Output is correct |
35 |
Correct |
2 ms |
460 KB |
Output is correct |
36 |
Correct |
2 ms |
512 KB |
Output is correct |
37 |
Correct |
2 ms |
456 KB |
Output is correct |
38 |
Correct |
2 ms |
460 KB |
Output is correct |
39 |
Correct |
2 ms |
464 KB |
Output is correct |
40 |
Correct |
2 ms |
464 KB |
Output is correct |
41 |
Correct |
2 ms |
460 KB |
Output is correct |
42 |
Correct |
2 ms |
460 KB |
Output is correct |
43 |
Correct |
2 ms |
508 KB |
Output is correct |
44 |
Correct |
2 ms |
508 KB |
Output is correct |
45 |
Correct |
2 ms |
460 KB |
Output is correct |
46 |
Correct |
2 ms |
460 KB |
Output is correct |
47 |
Correct |
2 ms |
460 KB |
Output is correct |
48 |
Correct |
2 ms |
460 KB |
Output is correct |
49 |
Correct |
2 ms |
460 KB |
Output is correct |
50 |
Correct |
2 ms |
468 KB |
Output is correct |
51 |
Correct |
2 ms |
456 KB |
Output is correct |
52 |
Correct |
167 ms |
20704 KB |
Output is correct |
53 |
Correct |
166 ms |
20760 KB |
Output is correct |
54 |
Correct |
164 ms |
20812 KB |
Output is correct |
55 |
Correct |
170 ms |
20768 KB |
Output is correct |
56 |
Correct |
174 ms |
20684 KB |
Output is correct |
57 |
Correct |
168 ms |
20676 KB |
Output is correct |
58 |
Correct |
164 ms |
20868 KB |
Output is correct |
59 |
Correct |
172 ms |
20700 KB |
Output is correct |
60 |
Correct |
169 ms |
20764 KB |
Output is correct |
61 |
Correct |
165 ms |
20588 KB |
Output is correct |
62 |
Correct |
163 ms |
20700 KB |
Output is correct |
63 |
Correct |
162 ms |
20680 KB |
Output is correct |
64 |
Correct |
166 ms |
20696 KB |
Output is correct |
65 |
Correct |
166 ms |
20840 KB |
Output is correct |
66 |
Correct |
161 ms |
20744 KB |
Output is correct |
67 |
Correct |
165 ms |
20804 KB |
Output is correct |
68 |
Correct |
163 ms |
20800 KB |
Output is correct |