/*input
6
1000000000000000 1000000000
1000000000000000 1000000000
1000000000000000 1000000000
1000000000000000 1000000000
1000000000000000 1000000000
1000000000000000 1000000000
*/
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#pragma GCC optimize("unroll-loops,no-stack-protector")
//order_of_key #of elements less than x
// find_by_order kth element
typedef long long int ll;
#define ld long double
#define pii pair<ll,ll>
typedef tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
#define f first
#define s second
#define pb push_back
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(int i=1;i<=n;i++)
#define FILL(n,x) memset(n,x,sizeof(n))
#define ALL(_a) _a.begin(),_a.end()
#define sz(x) (int)x.size()
const ll maxn=5e5+5;
const ll maxlg=__lg(maxn)+2;
const ll INF64=4e18;
const int INF=0x3f3f3f3f;
const ll MOD=998244353;
const ld PI=acos(-1);
const ld eps=1e-9;
#define lowb(x) x&(-x)
#define MNTO(x,y) x=min(x,(__typeof__(x))y)
#define MXTO(x,y) x=max(x,(__typeof__(x))y)
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()), c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
#define GET_POS(c,x) (lower_bound(c.begin(),c.end(),x)-c.begin())
ll mult(ll a,ll b){
return (a*b)%MOD;
}
ll mypow(ll a,ll b){
if(b<=0) return 1;
ll res=1LL;
while(b){
if(b&1) res=mult(res,a);
a=mult(a,a);
b>>=1;
}
return res;
}
#define int ll
struct node{
ll mx,lazy=0;
}seg[4*maxn];
node pull(node a,node b){
node x;
x.mx=max(a.mx,b.mx);
return x;
}
void pushdown(int idx,int l,int r){
if(!seg[idx].lazy) return;
seg[idx].mx+=seg[idx].lazy;
if(l==r){
seg[idx].lazy=0;
return;
}
seg[idx*2].lazy+=seg[idx].lazy;
seg[idx*2+1].lazy+=seg[idx].lazy;
seg[idx].lazy=0;
}
void upd(int idx,int l,int r,int ql,int qr,int x){
pushdown(idx,l,r);
if(r<ql or l>qr) return;
if(ql<=l and r<=qr){
seg[idx].lazy+=x;
pushdown(idx,l,r);
return;
}
int mid=(l+r)/2;
upd(idx*2,l,mid,ql,qr,x);
upd(idx*2+1,mid+1,r,ql,qr,x);
seg[idx]=pull(seg[idx*2],seg[idx*2+1]);
}
ll query(int idx,int l,int r,int ql,int qr){
if(r<ql or l>qr) return -INF64;
pushdown(idx,l,r);
if(ql<=l and r<=qr){
return seg[idx].mx;
}
int mid=(l+r)/2;
return max(query(idx*2,l,mid,ql,qr),query(idx*2+1,mid+1,r,ql,qr));
}
pii arr[maxn];
int32_t main(){
int n;
cin>>n;
REP(i,n) cin>>arr[i].f>>arr[i].s;
sort(arr,arr+n);
ll ans=0;
REP(i,n){
upd(1,0,n-1,0,i,arr[i].s);
upd(1,0,n-1,i,i,arr[i].f);
MXTO(ans,query(1,0,n-1,0,i)-arr[i].f);
}
cout<<ans<<'\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
31616 KB |
Output is correct |
2 |
Correct |
20 ms |
31616 KB |
Output is correct |
3 |
Correct |
20 ms |
31616 KB |
Output is correct |
4 |
Correct |
20 ms |
31616 KB |
Output is correct |
5 |
Correct |
19 ms |
31616 KB |
Output is correct |
6 |
Correct |
20 ms |
31616 KB |
Output is correct |
7 |
Correct |
19 ms |
31616 KB |
Output is correct |
8 |
Correct |
19 ms |
31616 KB |
Output is correct |
9 |
Correct |
20 ms |
31616 KB |
Output is correct |
10 |
Correct |
19 ms |
31616 KB |
Output is correct |
11 |
Correct |
20 ms |
31616 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
31616 KB |
Output is correct |
2 |
Correct |
20 ms |
31616 KB |
Output is correct |
3 |
Correct |
20 ms |
31616 KB |
Output is correct |
4 |
Correct |
20 ms |
31616 KB |
Output is correct |
5 |
Correct |
19 ms |
31616 KB |
Output is correct |
6 |
Correct |
20 ms |
31616 KB |
Output is correct |
7 |
Correct |
19 ms |
31616 KB |
Output is correct |
8 |
Correct |
19 ms |
31616 KB |
Output is correct |
9 |
Correct |
20 ms |
31616 KB |
Output is correct |
10 |
Correct |
19 ms |
31616 KB |
Output is correct |
11 |
Correct |
20 ms |
31616 KB |
Output is correct |
12 |
Correct |
21 ms |
31616 KB |
Output is correct |
13 |
Correct |
20 ms |
31616 KB |
Output is correct |
14 |
Correct |
20 ms |
31616 KB |
Output is correct |
15 |
Correct |
20 ms |
31616 KB |
Output is correct |
16 |
Correct |
21 ms |
31616 KB |
Output is correct |
17 |
Correct |
20 ms |
31616 KB |
Output is correct |
18 |
Correct |
20 ms |
31616 KB |
Output is correct |
19 |
Correct |
21 ms |
31616 KB |
Output is correct |
20 |
Correct |
19 ms |
31616 KB |
Output is correct |
21 |
Correct |
20 ms |
31616 KB |
Output is correct |
22 |
Correct |
20 ms |
31616 KB |
Output is correct |
23 |
Correct |
20 ms |
31616 KB |
Output is correct |
24 |
Correct |
20 ms |
31616 KB |
Output is correct |
25 |
Correct |
21 ms |
31616 KB |
Output is correct |
26 |
Correct |
21 ms |
31616 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
31616 KB |
Output is correct |
2 |
Correct |
20 ms |
31616 KB |
Output is correct |
3 |
Correct |
20 ms |
31616 KB |
Output is correct |
4 |
Correct |
20 ms |
31616 KB |
Output is correct |
5 |
Correct |
19 ms |
31616 KB |
Output is correct |
6 |
Correct |
20 ms |
31616 KB |
Output is correct |
7 |
Correct |
19 ms |
31616 KB |
Output is correct |
8 |
Correct |
19 ms |
31616 KB |
Output is correct |
9 |
Correct |
20 ms |
31616 KB |
Output is correct |
10 |
Correct |
19 ms |
31616 KB |
Output is correct |
11 |
Correct |
20 ms |
31616 KB |
Output is correct |
12 |
Correct |
21 ms |
31616 KB |
Output is correct |
13 |
Correct |
20 ms |
31616 KB |
Output is correct |
14 |
Correct |
20 ms |
31616 KB |
Output is correct |
15 |
Correct |
20 ms |
31616 KB |
Output is correct |
16 |
Correct |
21 ms |
31616 KB |
Output is correct |
17 |
Correct |
20 ms |
31616 KB |
Output is correct |
18 |
Correct |
20 ms |
31616 KB |
Output is correct |
19 |
Correct |
21 ms |
31616 KB |
Output is correct |
20 |
Correct |
19 ms |
31616 KB |
Output is correct |
21 |
Correct |
20 ms |
31616 KB |
Output is correct |
22 |
Correct |
20 ms |
31616 KB |
Output is correct |
23 |
Correct |
20 ms |
31616 KB |
Output is correct |
24 |
Correct |
20 ms |
31616 KB |
Output is correct |
25 |
Correct |
21 ms |
31616 KB |
Output is correct |
26 |
Correct |
21 ms |
31616 KB |
Output is correct |
27 |
Correct |
29 ms |
31872 KB |
Output is correct |
28 |
Correct |
30 ms |
31864 KB |
Output is correct |
29 |
Correct |
31 ms |
31872 KB |
Output is correct |
30 |
Correct |
30 ms |
31872 KB |
Output is correct |
31 |
Correct |
30 ms |
31872 KB |
Output is correct |
32 |
Correct |
30 ms |
31872 KB |
Output is correct |
33 |
Correct |
31 ms |
31864 KB |
Output is correct |
34 |
Correct |
29 ms |
31872 KB |
Output is correct |
35 |
Correct |
29 ms |
31872 KB |
Output is correct |
36 |
Correct |
29 ms |
31872 KB |
Output is correct |
37 |
Correct |
29 ms |
31872 KB |
Output is correct |
38 |
Correct |
30 ms |
31872 KB |
Output is correct |
39 |
Correct |
30 ms |
31864 KB |
Output is correct |
40 |
Correct |
29 ms |
31872 KB |
Output is correct |
41 |
Correct |
29 ms |
31872 KB |
Output is correct |
42 |
Correct |
30 ms |
31872 KB |
Output is correct |
43 |
Correct |
31 ms |
31872 KB |
Output is correct |
44 |
Correct |
30 ms |
31872 KB |
Output is correct |
45 |
Correct |
30 ms |
31872 KB |
Output is correct |
46 |
Correct |
30 ms |
31872 KB |
Output is correct |
47 |
Correct |
30 ms |
31872 KB |
Output is correct |
48 |
Correct |
29 ms |
31864 KB |
Output is correct |
49 |
Correct |
30 ms |
31872 KB |
Output is correct |
50 |
Correct |
30 ms |
31744 KB |
Output is correct |
51 |
Correct |
30 ms |
31872 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
19 ms |
31616 KB |
Output is correct |
2 |
Correct |
20 ms |
31616 KB |
Output is correct |
3 |
Correct |
20 ms |
31616 KB |
Output is correct |
4 |
Correct |
20 ms |
31616 KB |
Output is correct |
5 |
Correct |
19 ms |
31616 KB |
Output is correct |
6 |
Correct |
20 ms |
31616 KB |
Output is correct |
7 |
Correct |
19 ms |
31616 KB |
Output is correct |
8 |
Correct |
19 ms |
31616 KB |
Output is correct |
9 |
Correct |
20 ms |
31616 KB |
Output is correct |
10 |
Correct |
19 ms |
31616 KB |
Output is correct |
11 |
Correct |
20 ms |
31616 KB |
Output is correct |
12 |
Correct |
21 ms |
31616 KB |
Output is correct |
13 |
Correct |
20 ms |
31616 KB |
Output is correct |
14 |
Correct |
20 ms |
31616 KB |
Output is correct |
15 |
Correct |
20 ms |
31616 KB |
Output is correct |
16 |
Correct |
21 ms |
31616 KB |
Output is correct |
17 |
Correct |
20 ms |
31616 KB |
Output is correct |
18 |
Correct |
20 ms |
31616 KB |
Output is correct |
19 |
Correct |
21 ms |
31616 KB |
Output is correct |
20 |
Correct |
19 ms |
31616 KB |
Output is correct |
21 |
Correct |
20 ms |
31616 KB |
Output is correct |
22 |
Correct |
20 ms |
31616 KB |
Output is correct |
23 |
Correct |
20 ms |
31616 KB |
Output is correct |
24 |
Correct |
20 ms |
31616 KB |
Output is correct |
25 |
Correct |
21 ms |
31616 KB |
Output is correct |
26 |
Correct |
21 ms |
31616 KB |
Output is correct |
27 |
Correct |
29 ms |
31872 KB |
Output is correct |
28 |
Correct |
30 ms |
31864 KB |
Output is correct |
29 |
Correct |
31 ms |
31872 KB |
Output is correct |
30 |
Correct |
30 ms |
31872 KB |
Output is correct |
31 |
Correct |
30 ms |
31872 KB |
Output is correct |
32 |
Correct |
30 ms |
31872 KB |
Output is correct |
33 |
Correct |
31 ms |
31864 KB |
Output is correct |
34 |
Correct |
29 ms |
31872 KB |
Output is correct |
35 |
Correct |
29 ms |
31872 KB |
Output is correct |
36 |
Correct |
29 ms |
31872 KB |
Output is correct |
37 |
Correct |
29 ms |
31872 KB |
Output is correct |
38 |
Correct |
30 ms |
31872 KB |
Output is correct |
39 |
Correct |
30 ms |
31864 KB |
Output is correct |
40 |
Correct |
29 ms |
31872 KB |
Output is correct |
41 |
Correct |
29 ms |
31872 KB |
Output is correct |
42 |
Correct |
30 ms |
31872 KB |
Output is correct |
43 |
Correct |
31 ms |
31872 KB |
Output is correct |
44 |
Correct |
30 ms |
31872 KB |
Output is correct |
45 |
Correct |
30 ms |
31872 KB |
Output is correct |
46 |
Correct |
30 ms |
31872 KB |
Output is correct |
47 |
Correct |
30 ms |
31872 KB |
Output is correct |
48 |
Correct |
29 ms |
31864 KB |
Output is correct |
49 |
Correct |
30 ms |
31872 KB |
Output is correct |
50 |
Correct |
30 ms |
31744 KB |
Output is correct |
51 |
Correct |
30 ms |
31872 KB |
Output is correct |
52 |
Execution timed out |
1096 ms |
52064 KB |
Time limit exceeded |
53 |
Halted |
0 ms |
0 KB |
- |