//khodaya khodet komak kon
#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define all(x) x.begin(), x.end()
#pragma GCC optimize ("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize ("-O2")
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
const int N = 500000 + 10;
const ll MOD = 1000000000 + 7;
const ll INF = 1000000000000000010;
const ll LOG = 25;
struct per{
ll a, b;
};
ll seg[N << 2], lazy[N << 2], n;
per A[N];
void modify(int id, ll x){
seg[id] += x;
lazy[id] += x;
}
void shift(int id){
modify(id << 1, lazy[id]);
modify(id << 1 | 1, lazy[id]);
lazy[id] = 0;
}
void add(int id, int lq, int rq, ll x, int l, int r){
if (rq <= l || r <= lq)return;
if (lq <= l && r <= rq){
modify(id, x);
return;
}
int md = (l +r) >> 1;
shift(id);
add(id << 1, lq, rq, x, l, md);
add(id << 1 | 1, lq, rq, x, md, r);
seg[id] = max(seg[id << 1], seg[id << 1 | 1]);
}
bool cmp(per x, per y){
return x.a < y.a;
}
int32_t main(){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n;
for (int i = 1; i <= n; i++){
cin >> A[i].a >> A[i].b;
}
sort(A + 1, A + n + 1, cmp);
ll ans = 0;
for (int i = 1; i <= n; i++){
add(1, i, n + 1, A[i].b, 1, n + 1);
add(1, i, i + 1, -A[i].a, 1, n + 1);
}
for (int i = 1; i <= n; i++){
add(1, i, n + 1, A[i].a, 1, n + 1);
ans = max(ans, seg[1]);
add(1, i, n + 1, -A[i].b, 1, n + 1);
add(1, i, n + 1, -A[i].a, 1, n + 1);
}
cout << ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
6 ms |
384 KB |
Output is correct |
26 |
Correct |
6 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
6 ms |
384 KB |
Output is correct |
26 |
Correct |
6 ms |
384 KB |
Output is correct |
27 |
Correct |
15 ms |
896 KB |
Output is correct |
28 |
Correct |
11 ms |
896 KB |
Output is correct |
29 |
Correct |
11 ms |
768 KB |
Output is correct |
30 |
Correct |
12 ms |
768 KB |
Output is correct |
31 |
Correct |
11 ms |
896 KB |
Output is correct |
32 |
Correct |
11 ms |
896 KB |
Output is correct |
33 |
Correct |
11 ms |
768 KB |
Output is correct |
34 |
Correct |
12 ms |
768 KB |
Output is correct |
35 |
Correct |
11 ms |
768 KB |
Output is correct |
36 |
Correct |
11 ms |
768 KB |
Output is correct |
37 |
Correct |
11 ms |
768 KB |
Output is correct |
38 |
Correct |
11 ms |
896 KB |
Output is correct |
39 |
Correct |
11 ms |
768 KB |
Output is correct |
40 |
Correct |
11 ms |
768 KB |
Output is correct |
41 |
Correct |
12 ms |
768 KB |
Output is correct |
42 |
Correct |
11 ms |
896 KB |
Output is correct |
43 |
Correct |
11 ms |
768 KB |
Output is correct |
44 |
Correct |
11 ms |
768 KB |
Output is correct |
45 |
Correct |
12 ms |
760 KB |
Output is correct |
46 |
Correct |
11 ms |
768 KB |
Output is correct |
47 |
Correct |
11 ms |
768 KB |
Output is correct |
48 |
Correct |
11 ms |
768 KB |
Output is correct |
49 |
Correct |
11 ms |
896 KB |
Output is correct |
50 |
Correct |
11 ms |
768 KB |
Output is correct |
51 |
Correct |
11 ms |
768 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
4 ms |
384 KB |
Output is correct |
7 |
Correct |
4 ms |
384 KB |
Output is correct |
8 |
Correct |
4 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
5 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
5 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
5 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
384 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
384 KB |
Output is correct |
21 |
Correct |
5 ms |
384 KB |
Output is correct |
22 |
Correct |
5 ms |
384 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
6 ms |
384 KB |
Output is correct |
26 |
Correct |
6 ms |
384 KB |
Output is correct |
27 |
Correct |
15 ms |
896 KB |
Output is correct |
28 |
Correct |
11 ms |
896 KB |
Output is correct |
29 |
Correct |
11 ms |
768 KB |
Output is correct |
30 |
Correct |
12 ms |
768 KB |
Output is correct |
31 |
Correct |
11 ms |
896 KB |
Output is correct |
32 |
Correct |
11 ms |
896 KB |
Output is correct |
33 |
Correct |
11 ms |
768 KB |
Output is correct |
34 |
Correct |
12 ms |
768 KB |
Output is correct |
35 |
Correct |
11 ms |
768 KB |
Output is correct |
36 |
Correct |
11 ms |
768 KB |
Output is correct |
37 |
Correct |
11 ms |
768 KB |
Output is correct |
38 |
Correct |
11 ms |
896 KB |
Output is correct |
39 |
Correct |
11 ms |
768 KB |
Output is correct |
40 |
Correct |
11 ms |
768 KB |
Output is correct |
41 |
Correct |
12 ms |
768 KB |
Output is correct |
42 |
Correct |
11 ms |
896 KB |
Output is correct |
43 |
Correct |
11 ms |
768 KB |
Output is correct |
44 |
Correct |
11 ms |
768 KB |
Output is correct |
45 |
Correct |
12 ms |
760 KB |
Output is correct |
46 |
Correct |
11 ms |
768 KB |
Output is correct |
47 |
Correct |
11 ms |
768 KB |
Output is correct |
48 |
Correct |
11 ms |
768 KB |
Output is correct |
49 |
Correct |
11 ms |
896 KB |
Output is correct |
50 |
Correct |
11 ms |
768 KB |
Output is correct |
51 |
Correct |
11 ms |
768 KB |
Output is correct |
52 |
Correct |
915 ms |
37240 KB |
Output is correct |
53 |
Correct |
909 ms |
37500 KB |
Output is correct |
54 |
Correct |
924 ms |
37300 KB |
Output is correct |
55 |
Correct |
904 ms |
37368 KB |
Output is correct |
56 |
Correct |
906 ms |
37368 KB |
Output is correct |
57 |
Correct |
914 ms |
37368 KB |
Output is correct |
58 |
Correct |
920 ms |
37344 KB |
Output is correct |
59 |
Correct |
905 ms |
37496 KB |
Output is correct |
60 |
Correct |
918 ms |
37368 KB |
Output is correct |
61 |
Correct |
889 ms |
37344 KB |
Output is correct |
62 |
Correct |
893 ms |
37372 KB |
Output is correct |
63 |
Correct |
908 ms |
37368 KB |
Output is correct |
64 |
Correct |
872 ms |
37412 KB |
Output is correct |
65 |
Correct |
937 ms |
37368 KB |
Output is correct |
66 |
Correct |
918 ms |
37552 KB |
Output is correct |
67 |
Correct |
925 ms |
37240 KB |
Output is correct |
68 |
Correct |
916 ms |
37288 KB |
Output is correct |