#include <iostream>
#include <vector>
#include <algorithm>
#include <utility>
using namespace std;
int main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
long long n;
cin>>n;
vector<pair<long long, long long>> vect(n);
for (long long i=0;i<n;i++) cin>>vect[i].first>>vect[i].second;
sort(vect.begin(), vect.end());
vector<long long> adds(n);
adds[n-1]=vect[n-1].second;
for (long long i=0;i<n-1;i++){
adds[i]=vect[i].second-vect[i+1].first+vect[i].first;
}
long long current=0, best=-1e15-1;
for (long long i=n-1;i>=0;i--){
current+=adds[i];
current=max(current, vect[i].second);
best=max(best, current);
}
cout<<best<<'\n';
return 0;
}
# |
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 |
348 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 |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
1 ms |
456 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 |
348 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 |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
1 ms |
456 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 |
336 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 |
336 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 |
504 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 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 |
348 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 |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
1 ms |
456 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 |
336 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 |
336 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 |
504 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 KB |
Output is correct |
27 |
Correct |
3 ms |
592 KB |
Output is correct |
28 |
Correct |
3 ms |
592 KB |
Output is correct |
29 |
Correct |
3 ms |
592 KB |
Output is correct |
30 |
Correct |
3 ms |
592 KB |
Output is correct |
31 |
Correct |
2 ms |
592 KB |
Output is correct |
32 |
Correct |
2 ms |
760 KB |
Output is correct |
33 |
Correct |
2 ms |
592 KB |
Output is correct |
34 |
Correct |
3 ms |
592 KB |
Output is correct |
35 |
Correct |
3 ms |
592 KB |
Output is correct |
36 |
Correct |
3 ms |
760 KB |
Output is correct |
37 |
Correct |
2 ms |
592 KB |
Output is correct |
38 |
Correct |
2 ms |
592 KB |
Output is correct |
39 |
Correct |
3 ms |
592 KB |
Output is correct |
40 |
Correct |
2 ms |
592 KB |
Output is correct |
41 |
Correct |
2 ms |
592 KB |
Output is correct |
42 |
Correct |
2 ms |
592 KB |
Output is correct |
43 |
Correct |
2 ms |
764 KB |
Output is correct |
44 |
Correct |
2 ms |
592 KB |
Output is correct |
45 |
Correct |
2 ms |
592 KB |
Output is correct |
46 |
Correct |
2 ms |
592 KB |
Output is correct |
47 |
Correct |
3 ms |
592 KB |
Output is correct |
48 |
Correct |
2 ms |
472 KB |
Output is correct |
49 |
Correct |
2 ms |
592 KB |
Output is correct |
50 |
Correct |
2 ms |
592 KB |
Output is correct |
51 |
Correct |
3 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 |
348 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 |
336 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
336 KB |
Output is correct |
11 |
Correct |
1 ms |
456 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 |
336 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 |
336 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 |
504 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
336 KB |
Output is correct |
26 |
Correct |
1 ms |
336 KB |
Output is correct |
27 |
Correct |
3 ms |
592 KB |
Output is correct |
28 |
Correct |
3 ms |
592 KB |
Output is correct |
29 |
Correct |
3 ms |
592 KB |
Output is correct |
30 |
Correct |
3 ms |
592 KB |
Output is correct |
31 |
Correct |
2 ms |
592 KB |
Output is correct |
32 |
Correct |
2 ms |
760 KB |
Output is correct |
33 |
Correct |
2 ms |
592 KB |
Output is correct |
34 |
Correct |
3 ms |
592 KB |
Output is correct |
35 |
Correct |
3 ms |
592 KB |
Output is correct |
36 |
Correct |
3 ms |
760 KB |
Output is correct |
37 |
Correct |
2 ms |
592 KB |
Output is correct |
38 |
Correct |
2 ms |
592 KB |
Output is correct |
39 |
Correct |
3 ms |
592 KB |
Output is correct |
40 |
Correct |
2 ms |
592 KB |
Output is correct |
41 |
Correct |
2 ms |
592 KB |
Output is correct |
42 |
Correct |
2 ms |
592 KB |
Output is correct |
43 |
Correct |
2 ms |
764 KB |
Output is correct |
44 |
Correct |
2 ms |
592 KB |
Output is correct |
45 |
Correct |
2 ms |
592 KB |
Output is correct |
46 |
Correct |
2 ms |
592 KB |
Output is correct |
47 |
Correct |
3 ms |
592 KB |
Output is correct |
48 |
Correct |
2 ms |
472 KB |
Output is correct |
49 |
Correct |
2 ms |
592 KB |
Output is correct |
50 |
Correct |
2 ms |
592 KB |
Output is correct |
51 |
Correct |
3 ms |
592 KB |
Output is correct |
52 |
Correct |
131 ms |
24648 KB |
Output is correct |
53 |
Correct |
135 ms |
23308 KB |
Output is correct |
54 |
Correct |
127 ms |
24776 KB |
Output is correct |
55 |
Correct |
131 ms |
24776 KB |
Output is correct |
56 |
Correct |
130 ms |
24648 KB |
Output is correct |
57 |
Correct |
131 ms |
24648 KB |
Output is correct |
58 |
Correct |
132 ms |
24652 KB |
Output is correct |
59 |
Correct |
130 ms |
24648 KB |
Output is correct |
60 |
Correct |
133 ms |
24648 KB |
Output is correct |
61 |
Correct |
141 ms |
24480 KB |
Output is correct |
62 |
Correct |
135 ms |
24776 KB |
Output is correct |
63 |
Correct |
134 ms |
24776 KB |
Output is correct |
64 |
Correct |
128 ms |
24648 KB |
Output is correct |
65 |
Correct |
133 ms |
24648 KB |
Output is correct |
66 |
Correct |
141 ms |
24900 KB |
Output is correct |
67 |
Correct |
126 ms |
24776 KB |
Output is correct |
68 |
Correct |
125 ms |
24648 KB |
Output is correct |