#include <bits/stdc++.h>
using namespace std;
const int N = 1 << 19;
int n;
long long ans,b[N];
pair<long long,long long> a[N];
struct node{ long long val; friend node operator+(const node &a,const node &b){ if(a.val>b.val) return a; else return b; } };
node tree[N << 1];
void build(int l,int r,int idx)
{
if(l==r) return void(tree[idx].val = a[l].second);
int m = (l+r)/2;
build(l,m,idx*2),build(m+1,r,idx*2+1);
tree[idx] = tree[idx*2]+tree[idx*2+1];
}
node read(int l,int r,int idx,int x,int y)
{
if(x>r or y<l) return {LLONG_MIN};
if(x<=l and y>=r) return tree[idx];
int m = (l+r)/2;
return read(l,m,idx*2,x,y)+read(m+1,r,idx*2+1,x,y);
}
int main()
{
ios_base::sync_with_stdio(0); cin.tie(0);
cin >> n;
for(int i = 1;i <= n;i++) cin >> a[i].first >> a[i].second;
sort(a+1,a+n+1);
for(int i = 1;i <= n;i++) b[i] = a[i].second;
for(int i = 2;i <= n;i++) a[i].second-=a[i].first-a[i-1].first;
for(int i = 2;i <= n;i++) a[i].second+=a[i-1].second;
build(1,n,1);
for(int i = 1;i < n;i++)
{
long long each = read(1,n,1,i+1,n).val;
if(each==LLONG_MIN) each = -1;
each-=a[i].second;
ans = max(ans,b[i]+max(each,0LL));
}
ans = max(ans,b[n]);
cout << ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
4 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
380 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
4 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
380 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
428 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
380 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
5 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
4 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
380 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
428 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
380 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
5 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
7 ms |
760 KB |
Output is correct |
28 |
Correct |
7 ms |
760 KB |
Output is correct |
29 |
Correct |
7 ms |
760 KB |
Output is correct |
30 |
Correct |
7 ms |
760 KB |
Output is correct |
31 |
Correct |
8 ms |
760 KB |
Output is correct |
32 |
Correct |
7 ms |
760 KB |
Output is correct |
33 |
Correct |
7 ms |
760 KB |
Output is correct |
34 |
Correct |
8 ms |
760 KB |
Output is correct |
35 |
Correct |
8 ms |
760 KB |
Output is correct |
36 |
Correct |
7 ms |
660 KB |
Output is correct |
37 |
Correct |
7 ms |
760 KB |
Output is correct |
38 |
Correct |
7 ms |
760 KB |
Output is correct |
39 |
Correct |
7 ms |
760 KB |
Output is correct |
40 |
Correct |
7 ms |
760 KB |
Output is correct |
41 |
Correct |
7 ms |
760 KB |
Output is correct |
42 |
Correct |
8 ms |
760 KB |
Output is correct |
43 |
Correct |
7 ms |
760 KB |
Output is correct |
44 |
Correct |
8 ms |
764 KB |
Output is correct |
45 |
Correct |
7 ms |
760 KB |
Output is correct |
46 |
Correct |
7 ms |
760 KB |
Output is correct |
47 |
Correct |
7 ms |
760 KB |
Output is correct |
48 |
Correct |
7 ms |
760 KB |
Output is correct |
49 |
Correct |
7 ms |
760 KB |
Output is correct |
50 |
Correct |
7 ms |
760 KB |
Output is correct |
51 |
Correct |
7 ms |
760 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
4 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
380 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
428 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
380 KB |
Output is correct |
19 |
Correct |
5 ms |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
5 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
7 ms |
760 KB |
Output is correct |
28 |
Correct |
7 ms |
760 KB |
Output is correct |
29 |
Correct |
7 ms |
760 KB |
Output is correct |
30 |
Correct |
7 ms |
760 KB |
Output is correct |
31 |
Correct |
8 ms |
760 KB |
Output is correct |
32 |
Correct |
7 ms |
760 KB |
Output is correct |
33 |
Correct |
7 ms |
760 KB |
Output is correct |
34 |
Correct |
8 ms |
760 KB |
Output is correct |
35 |
Correct |
8 ms |
760 KB |
Output is correct |
36 |
Correct |
7 ms |
660 KB |
Output is correct |
37 |
Correct |
7 ms |
760 KB |
Output is correct |
38 |
Correct |
7 ms |
760 KB |
Output is correct |
39 |
Correct |
7 ms |
760 KB |
Output is correct |
40 |
Correct |
7 ms |
760 KB |
Output is correct |
41 |
Correct |
7 ms |
760 KB |
Output is correct |
42 |
Correct |
8 ms |
760 KB |
Output is correct |
43 |
Correct |
7 ms |
760 KB |
Output is correct |
44 |
Correct |
8 ms |
764 KB |
Output is correct |
45 |
Correct |
7 ms |
760 KB |
Output is correct |
46 |
Correct |
7 ms |
760 KB |
Output is correct |
47 |
Correct |
7 ms |
760 KB |
Output is correct |
48 |
Correct |
7 ms |
760 KB |
Output is correct |
49 |
Correct |
7 ms |
760 KB |
Output is correct |
50 |
Correct |
7 ms |
760 KB |
Output is correct |
51 |
Correct |
7 ms |
760 KB |
Output is correct |
52 |
Correct |
306 ms |
32892 KB |
Output is correct |
53 |
Correct |
299 ms |
32884 KB |
Output is correct |
54 |
Correct |
304 ms |
32992 KB |
Output is correct |
55 |
Correct |
304 ms |
32888 KB |
Output is correct |
56 |
Correct |
309 ms |
32888 KB |
Output is correct |
57 |
Correct |
291 ms |
33016 KB |
Output is correct |
58 |
Correct |
306 ms |
33060 KB |
Output is correct |
59 |
Correct |
309 ms |
32996 KB |
Output is correct |
60 |
Correct |
298 ms |
33152 KB |
Output is correct |
61 |
Correct |
295 ms |
32760 KB |
Output is correct |
62 |
Correct |
314 ms |
32916 KB |
Output is correct |
63 |
Correct |
307 ms |
32908 KB |
Output is correct |
64 |
Correct |
294 ms |
32888 KB |
Output is correct |
65 |
Correct |
285 ms |
33016 KB |
Output is correct |
66 |
Correct |
304 ms |
32948 KB |
Output is correct |
67 |
Correct |
295 ms |
32888 KB |
Output is correct |
68 |
Correct |
301 ms |
33144 KB |
Output is correct |