#include <bits/stdc++.h>
#define ll long long
#define vi vector<int>
#define pii pair<int,int>
#define pll pair<ll,ll>
#define sz(x) x.size()
#define all(x) x.begin(),x.end()
#define F first
#define S second
using namespace std;
const int maxn=500005;
int n;
ll d[maxn],v[maxn],ans;
pll a[maxn];
int main(){
ios::sync_with_stdio(0),cin.tie(0);
cin >> n;
for(int i=1;i<=n;i++) cin >> a[i].F >> a[i].S;
sort(a+1,a+1+n);
for(int i=1;i<=n;i++){
v[i]=a[i].S-a[i].F+a[i-1].F;
}
d[n]=v[n];
for(int i=n-1;i>=1;i--){
d[i]=max(d[i+1]+v[i],v[i]);
ans=max(ans,d[i]+a[i].F-a[i-1].F);
}
cout << ans << "\n";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4560 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4440 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
4696 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4560 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4440 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
4696 KB |
Output is correct |
12 |
Correct |
1 ms |
4440 KB |
Output is correct |
13 |
Correct |
1 ms |
4444 KB |
Output is correct |
14 |
Correct |
1 ms |
4696 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4444 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
1 ms |
4444 KB |
Output is correct |
19 |
Correct |
1 ms |
4444 KB |
Output is correct |
20 |
Correct |
1 ms |
4444 KB |
Output is correct |
21 |
Correct |
1 ms |
4568 KB |
Output is correct |
22 |
Correct |
1 ms |
4444 KB |
Output is correct |
23 |
Correct |
1 ms |
4444 KB |
Output is correct |
24 |
Correct |
1 ms |
4444 KB |
Output is correct |
25 |
Correct |
1 ms |
4444 KB |
Output is correct |
26 |
Correct |
1 ms |
4444 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4560 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4440 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
4696 KB |
Output is correct |
12 |
Correct |
1 ms |
4440 KB |
Output is correct |
13 |
Correct |
1 ms |
4444 KB |
Output is correct |
14 |
Correct |
1 ms |
4696 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4444 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
1 ms |
4444 KB |
Output is correct |
19 |
Correct |
1 ms |
4444 KB |
Output is correct |
20 |
Correct |
1 ms |
4444 KB |
Output is correct |
21 |
Correct |
1 ms |
4568 KB |
Output is correct |
22 |
Correct |
1 ms |
4444 KB |
Output is correct |
23 |
Correct |
1 ms |
4444 KB |
Output is correct |
24 |
Correct |
1 ms |
4444 KB |
Output is correct |
25 |
Correct |
1 ms |
4444 KB |
Output is correct |
26 |
Correct |
1 ms |
4444 KB |
Output is correct |
27 |
Correct |
2 ms |
4700 KB |
Output is correct |
28 |
Correct |
2 ms |
4700 KB |
Output is correct |
29 |
Correct |
2 ms |
4700 KB |
Output is correct |
30 |
Correct |
2 ms |
4568 KB |
Output is correct |
31 |
Correct |
2 ms |
4696 KB |
Output is correct |
32 |
Correct |
2 ms |
4700 KB |
Output is correct |
33 |
Correct |
3 ms |
4700 KB |
Output is correct |
34 |
Correct |
2 ms |
4696 KB |
Output is correct |
35 |
Correct |
2 ms |
4764 KB |
Output is correct |
36 |
Correct |
2 ms |
4700 KB |
Output is correct |
37 |
Correct |
2 ms |
4676 KB |
Output is correct |
38 |
Correct |
2 ms |
4676 KB |
Output is correct |
39 |
Correct |
2 ms |
4896 KB |
Output is correct |
40 |
Correct |
2 ms |
4568 KB |
Output is correct |
41 |
Correct |
2 ms |
4700 KB |
Output is correct |
42 |
Correct |
2 ms |
4700 KB |
Output is correct |
43 |
Correct |
2 ms |
4692 KB |
Output is correct |
44 |
Correct |
2 ms |
4700 KB |
Output is correct |
45 |
Correct |
2 ms |
4680 KB |
Output is correct |
46 |
Correct |
2 ms |
4700 KB |
Output is correct |
47 |
Correct |
2 ms |
4700 KB |
Output is correct |
48 |
Correct |
3 ms |
4700 KB |
Output is correct |
49 |
Correct |
2 ms |
4700 KB |
Output is correct |
50 |
Correct |
2 ms |
4700 KB |
Output is correct |
51 |
Correct |
2 ms |
4700 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
4440 KB |
Output is correct |
2 |
Correct |
1 ms |
4444 KB |
Output is correct |
3 |
Correct |
1 ms |
4560 KB |
Output is correct |
4 |
Correct |
1 ms |
4444 KB |
Output is correct |
5 |
Correct |
1 ms |
4444 KB |
Output is correct |
6 |
Correct |
1 ms |
4444 KB |
Output is correct |
7 |
Correct |
1 ms |
4444 KB |
Output is correct |
8 |
Correct |
1 ms |
4444 KB |
Output is correct |
9 |
Correct |
1 ms |
4440 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
4696 KB |
Output is correct |
12 |
Correct |
1 ms |
4440 KB |
Output is correct |
13 |
Correct |
1 ms |
4444 KB |
Output is correct |
14 |
Correct |
1 ms |
4696 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4444 KB |
Output is correct |
17 |
Correct |
1 ms |
4444 KB |
Output is correct |
18 |
Correct |
1 ms |
4444 KB |
Output is correct |
19 |
Correct |
1 ms |
4444 KB |
Output is correct |
20 |
Correct |
1 ms |
4444 KB |
Output is correct |
21 |
Correct |
1 ms |
4568 KB |
Output is correct |
22 |
Correct |
1 ms |
4444 KB |
Output is correct |
23 |
Correct |
1 ms |
4444 KB |
Output is correct |
24 |
Correct |
1 ms |
4444 KB |
Output is correct |
25 |
Correct |
1 ms |
4444 KB |
Output is correct |
26 |
Correct |
1 ms |
4444 KB |
Output is correct |
27 |
Correct |
2 ms |
4700 KB |
Output is correct |
28 |
Correct |
2 ms |
4700 KB |
Output is correct |
29 |
Correct |
2 ms |
4700 KB |
Output is correct |
30 |
Correct |
2 ms |
4568 KB |
Output is correct |
31 |
Correct |
2 ms |
4696 KB |
Output is correct |
32 |
Correct |
2 ms |
4700 KB |
Output is correct |
33 |
Correct |
3 ms |
4700 KB |
Output is correct |
34 |
Correct |
2 ms |
4696 KB |
Output is correct |
35 |
Correct |
2 ms |
4764 KB |
Output is correct |
36 |
Correct |
2 ms |
4700 KB |
Output is correct |
37 |
Correct |
2 ms |
4676 KB |
Output is correct |
38 |
Correct |
2 ms |
4676 KB |
Output is correct |
39 |
Correct |
2 ms |
4896 KB |
Output is correct |
40 |
Correct |
2 ms |
4568 KB |
Output is correct |
41 |
Correct |
2 ms |
4700 KB |
Output is correct |
42 |
Correct |
2 ms |
4700 KB |
Output is correct |
43 |
Correct |
2 ms |
4692 KB |
Output is correct |
44 |
Correct |
2 ms |
4700 KB |
Output is correct |
45 |
Correct |
2 ms |
4680 KB |
Output is correct |
46 |
Correct |
2 ms |
4700 KB |
Output is correct |
47 |
Correct |
2 ms |
4700 KB |
Output is correct |
48 |
Correct |
3 ms |
4700 KB |
Output is correct |
49 |
Correct |
2 ms |
4700 KB |
Output is correct |
50 |
Correct |
2 ms |
4700 KB |
Output is correct |
51 |
Correct |
2 ms |
4700 KB |
Output is correct |
52 |
Correct |
130 ms |
28496 KB |
Output is correct |
53 |
Correct |
129 ms |
28756 KB |
Output is correct |
54 |
Correct |
128 ms |
28660 KB |
Output is correct |
55 |
Correct |
128 ms |
28756 KB |
Output is correct |
56 |
Correct |
128 ms |
28656 KB |
Output is correct |
57 |
Correct |
126 ms |
28656 KB |
Output is correct |
58 |
Correct |
127 ms |
28532 KB |
Output is correct |
59 |
Correct |
125 ms |
28752 KB |
Output is correct |
60 |
Correct |
126 ms |
28544 KB |
Output is correct |
61 |
Correct |
128 ms |
28556 KB |
Output is correct |
62 |
Correct |
124 ms |
28752 KB |
Output is correct |
63 |
Correct |
128 ms |
28572 KB |
Output is correct |
64 |
Correct |
133 ms |
29012 KB |
Output is correct |
65 |
Correct |
127 ms |
28672 KB |
Output is correct |
66 |
Correct |
125 ms |
28536 KB |
Output is correct |
67 |
Correct |
128 ms |
28664 KB |
Output is correct |
68 |
Correct |
128 ms |
28672 KB |
Output is correct |