// In the name of Allah. Ya ali!
#include<bits/stdc++.h>
#define double long double
typedef long long ll;
const ll MAX_N = 1.2e6+10;
const ll MOD = 1e9+7;
using namespace std;
ll mx[MAX_N];
ll fl[MAX_N];
pair<ll,ll> lr[MAX_N];
int n,y;
void shift(int k)
{
int l = k*2;
int r = k*2+1;
fl[l] += fl[k];
fl[r] += fl[k];
mx[l] += fl[k];
mx[r] += fl[k];
fl[k] = 0;
}
void update(int k)
{
mx[k] = max(mx[k*2],mx[k*2+1]);
}
void add(int l,int r,int a,int b,int k,ll x)
{
if (r<a or b<l)
return;
if (a<=l and r<=b)
{
fl[k] += x;
mx[k] += x;
return;
}
int mid = (l+r)/2;
shift(k);
add(l,mid,a,b,k*2,x);
add(mid+1,r,a,b,k*2+1,x);
update(k);
}
int main()
{
cin >> n;
y = (1<<((int)ceil(log2(n))));
ll ans = 0;
for(int i = 0;i<n;++i)
scanf("%lld%lld",&lr[i].first,&lr[i].second),ans = max(ans,lr[i].second);
sort(lr,lr+n);
add(0,y-1,0,0,1,lr[0].second);
for(int i = 1;i<n;++i)
{
add(0,y-1,0,i-1,1,-lr[i].first+lr[i-1].first+lr[i].second);
add(0,y-1,i,i,1,max(lr[i].second,mx[1]));
ans = max(ans,mx[1]);
}
cout << ans;
return 0;
}
Compilation message
art.cpp: In function 'int main()':
art.cpp:53:53: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld%lld",&lr[i].first,&lr[i].second),ans = max(ans,lr[i].second);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
2 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
2 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
384 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
2 ms |
384 KB |
Output is correct |
| 11 |
Correct |
2 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
2 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
2 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
384 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
2 ms |
384 KB |
Output is correct |
| 11 |
Correct |
2 ms |
384 KB |
Output is correct |
| 12 |
Correct |
3 ms |
384 KB |
Output is correct |
| 13 |
Correct |
3 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
3 ms |
384 KB |
Output is correct |
| 16 |
Correct |
3 ms |
384 KB |
Output is correct |
| 17 |
Correct |
3 ms |
384 KB |
Output is correct |
| 18 |
Correct |
3 ms |
384 KB |
Output is correct |
| 19 |
Correct |
2 ms |
384 KB |
Output is correct |
| 20 |
Correct |
2 ms |
384 KB |
Output is correct |
| 21 |
Correct |
2 ms |
384 KB |
Output is correct |
| 22 |
Correct |
2 ms |
384 KB |
Output is correct |
| 23 |
Correct |
2 ms |
384 KB |
Output is correct |
| 24 |
Correct |
2 ms |
384 KB |
Output is correct |
| 25 |
Correct |
3 ms |
384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
2 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
2 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
384 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
2 ms |
384 KB |
Output is correct |
| 11 |
Correct |
2 ms |
384 KB |
Output is correct |
| 12 |
Correct |
3 ms |
384 KB |
Output is correct |
| 13 |
Correct |
3 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
3 ms |
384 KB |
Output is correct |
| 16 |
Correct |
3 ms |
384 KB |
Output is correct |
| 17 |
Correct |
3 ms |
384 KB |
Output is correct |
| 18 |
Correct |
3 ms |
384 KB |
Output is correct |
| 19 |
Correct |
2 ms |
384 KB |
Output is correct |
| 20 |
Correct |
2 ms |
384 KB |
Output is correct |
| 21 |
Correct |
2 ms |
384 KB |
Output is correct |
| 22 |
Correct |
2 ms |
384 KB |
Output is correct |
| 23 |
Correct |
2 ms |
384 KB |
Output is correct |
| 24 |
Correct |
2 ms |
384 KB |
Output is correct |
| 25 |
Correct |
3 ms |
384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
384 KB |
Output is correct |
| 27 |
Correct |
7 ms |
640 KB |
Output is correct |
| 28 |
Correct |
6 ms |
640 KB |
Output is correct |
| 29 |
Correct |
8 ms |
640 KB |
Output is correct |
| 30 |
Correct |
7 ms |
640 KB |
Output is correct |
| 31 |
Correct |
7 ms |
640 KB |
Output is correct |
| 32 |
Correct |
5 ms |
640 KB |
Output is correct |
| 33 |
Correct |
7 ms |
640 KB |
Output is correct |
| 34 |
Correct |
6 ms |
640 KB |
Output is correct |
| 35 |
Correct |
8 ms |
640 KB |
Output is correct |
| 36 |
Correct |
6 ms |
560 KB |
Output is correct |
| 37 |
Correct |
6 ms |
640 KB |
Output is correct |
| 38 |
Correct |
7 ms |
640 KB |
Output is correct |
| 39 |
Correct |
4 ms |
640 KB |
Output is correct |
| 40 |
Correct |
7 ms |
640 KB |
Output is correct |
| 41 |
Correct |
7 ms |
640 KB |
Output is correct |
| 42 |
Correct |
6 ms |
640 KB |
Output is correct |
| 43 |
Correct |
8 ms |
640 KB |
Output is correct |
| 44 |
Correct |
6 ms |
640 KB |
Output is correct |
| 45 |
Correct |
7 ms |
640 KB |
Output is correct |
| 46 |
Correct |
7 ms |
640 KB |
Output is correct |
| 47 |
Correct |
9 ms |
640 KB |
Output is correct |
| 48 |
Correct |
7 ms |
640 KB |
Output is correct |
| 49 |
Correct |
7 ms |
640 KB |
Output is correct |
| 50 |
Correct |
8 ms |
640 KB |
Output is correct |
| 51 |
Correct |
7 ms |
640 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
384 KB |
Output is correct |
| 2 |
Correct |
2 ms |
384 KB |
Output is correct |
| 3 |
Correct |
2 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
2 ms |
384 KB |
Output is correct |
| 6 |
Correct |
2 ms |
384 KB |
Output is correct |
| 7 |
Correct |
2 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
384 KB |
Output is correct |
| 9 |
Correct |
2 ms |
384 KB |
Output is correct |
| 10 |
Correct |
2 ms |
384 KB |
Output is correct |
| 11 |
Correct |
2 ms |
384 KB |
Output is correct |
| 12 |
Correct |
3 ms |
384 KB |
Output is correct |
| 13 |
Correct |
3 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
3 ms |
384 KB |
Output is correct |
| 16 |
Correct |
3 ms |
384 KB |
Output is correct |
| 17 |
Correct |
3 ms |
384 KB |
Output is correct |
| 18 |
Correct |
3 ms |
384 KB |
Output is correct |
| 19 |
Correct |
2 ms |
384 KB |
Output is correct |
| 20 |
Correct |
2 ms |
384 KB |
Output is correct |
| 21 |
Correct |
2 ms |
384 KB |
Output is correct |
| 22 |
Correct |
2 ms |
384 KB |
Output is correct |
| 23 |
Correct |
2 ms |
384 KB |
Output is correct |
| 24 |
Correct |
2 ms |
384 KB |
Output is correct |
| 25 |
Correct |
3 ms |
384 KB |
Output is correct |
| 26 |
Correct |
2 ms |
384 KB |
Output is correct |
| 27 |
Correct |
7 ms |
640 KB |
Output is correct |
| 28 |
Correct |
6 ms |
640 KB |
Output is correct |
| 29 |
Correct |
8 ms |
640 KB |
Output is correct |
| 30 |
Correct |
7 ms |
640 KB |
Output is correct |
| 31 |
Correct |
7 ms |
640 KB |
Output is correct |
| 32 |
Correct |
5 ms |
640 KB |
Output is correct |
| 33 |
Correct |
7 ms |
640 KB |
Output is correct |
| 34 |
Correct |
6 ms |
640 KB |
Output is correct |
| 35 |
Correct |
8 ms |
640 KB |
Output is correct |
| 36 |
Correct |
6 ms |
560 KB |
Output is correct |
| 37 |
Correct |
6 ms |
640 KB |
Output is correct |
| 38 |
Correct |
7 ms |
640 KB |
Output is correct |
| 39 |
Correct |
4 ms |
640 KB |
Output is correct |
| 40 |
Correct |
7 ms |
640 KB |
Output is correct |
| 41 |
Correct |
7 ms |
640 KB |
Output is correct |
| 42 |
Correct |
6 ms |
640 KB |
Output is correct |
| 43 |
Correct |
8 ms |
640 KB |
Output is correct |
| 44 |
Correct |
6 ms |
640 KB |
Output is correct |
| 45 |
Correct |
7 ms |
640 KB |
Output is correct |
| 46 |
Correct |
7 ms |
640 KB |
Output is correct |
| 47 |
Correct |
9 ms |
640 KB |
Output is correct |
| 48 |
Correct |
7 ms |
640 KB |
Output is correct |
| 49 |
Correct |
7 ms |
640 KB |
Output is correct |
| 50 |
Correct |
8 ms |
640 KB |
Output is correct |
| 51 |
Correct |
7 ms |
640 KB |
Output is correct |
| 52 |
Correct |
574 ms |
24024 KB |
Output is correct |
| 53 |
Correct |
560 ms |
24028 KB |
Output is correct |
| 54 |
Correct |
541 ms |
23860 KB |
Output is correct |
| 55 |
Correct |
546 ms |
23876 KB |
Output is correct |
| 56 |
Correct |
529 ms |
23904 KB |
Output is correct |
| 57 |
Correct |
499 ms |
24028 KB |
Output is correct |
| 58 |
Correct |
475 ms |
23864 KB |
Output is correct |
| 59 |
Correct |
487 ms |
23928 KB |
Output is correct |
| 60 |
Correct |
518 ms |
23928 KB |
Output is correct |
| 61 |
Correct |
502 ms |
23928 KB |
Output is correct |
| 62 |
Correct |
472 ms |
25464 KB |
Output is correct |
| 63 |
Correct |
572 ms |
25500 KB |
Output is correct |
| 64 |
Correct |
478 ms |
25472 KB |
Output is correct |
| 65 |
Correct |
440 ms |
25336 KB |
Output is correct |
| 66 |
Correct |
454 ms |
25464 KB |
Output is correct |
| 67 |
Correct |
481 ms |
25276 KB |
Output is correct |
| 68 |
Correct |
540 ms |
25336 KB |
Output is correct |
