#include <bits/stdc++.h>
#pragma optimize("Ofast")
#pragma target("avx2")
using namespace std;
#define ll long long
#define ld long double
#define pb push_back
#define pf push_front
#define pii pair<int,int>
#define all(v) v.begin(),v.end()
#define F first
#define S second
#define mem(a,i) memset(a,i,sizeof(a))
#define sz(s) (int)s.size()
#define y1 yy
#define ppb pop_back
#define lb lower_bound
#define ub upper_bound
#define gcd(a,b) __gcd(a,b)
#define in insert
#define int ll
const int MAX=5e5+15;
const int B=2e5;
const int N=104;
const int block=450;
const int maxB=MAX/B+10;
const ll inf=1e18;
const int mod=1e9+7;
const int mod1=1e9+9;
const ld eps=1e-9;
int dx[8]={1,0,-1,0,1,-1,-1,1};
int dy[8]={0,1,0,-1,1,-1,1,-1};
int binpow(int a,int n){
if(!n)return 1;
if(n%2==1)return a*binpow(a,n-1);
int k=binpow(a,n/2);
return k*k;
}
int n;
pii a[MAX];
int p[MAX];
void solve(){
cin>>n;
for(int i=1;i<=n;i++)cin>>a[i].F>>a[i].S;
sort(a+1,a+n+1);
for(int i=1;i<=n;i++){
p[i]=p[i-1]+a[i].S;
}
int mx=-inf;
int ans=0;
for(int i=n;i>=1;i--){
mx=max(mx,p[i]-a[i].F);
ans=max(ans,mx-p[i-1]+a[i].F);
}
cout<<ans<<"\n";
}
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
// prec();
int t=1;
// cin>>t;
while(t--)solve();
}
Compilation message
art.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
3 | #pragma optimize("Ofast")
|
art.cpp:4: warning: ignoring '#pragma target ' [-Wunknown-pragmas]
4 | #pragma target("avx2")
|
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2516 KB |
Output is correct |
7 |
Correct |
1 ms |
2512 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2516 KB |
Output is correct |
7 |
Correct |
1 ms |
2512 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2392 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2520 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2392 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2392 KB |
Output is correct |
23 |
Correct |
1 ms |
2392 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2516 KB |
Output is correct |
7 |
Correct |
1 ms |
2512 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2392 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2520 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2392 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2392 KB |
Output is correct |
23 |
Correct |
1 ms |
2392 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
27 |
Correct |
2 ms |
2652 KB |
Output is correct |
28 |
Correct |
2 ms |
2648 KB |
Output is correct |
29 |
Correct |
2 ms |
2652 KB |
Output is correct |
30 |
Correct |
2 ms |
2524 KB |
Output is correct |
31 |
Correct |
2 ms |
2652 KB |
Output is correct |
32 |
Correct |
2 ms |
2652 KB |
Output is correct |
33 |
Correct |
2 ms |
2520 KB |
Output is correct |
34 |
Correct |
2 ms |
2628 KB |
Output is correct |
35 |
Correct |
2 ms |
2652 KB |
Output is correct |
36 |
Correct |
2 ms |
2652 KB |
Output is correct |
37 |
Correct |
2 ms |
2652 KB |
Output is correct |
38 |
Correct |
2 ms |
2652 KB |
Output is correct |
39 |
Correct |
2 ms |
2652 KB |
Output is correct |
40 |
Correct |
2 ms |
2652 KB |
Output is correct |
41 |
Correct |
2 ms |
2652 KB |
Output is correct |
42 |
Correct |
2 ms |
2652 KB |
Output is correct |
43 |
Correct |
2 ms |
2652 KB |
Output is correct |
44 |
Correct |
2 ms |
2524 KB |
Output is correct |
45 |
Correct |
2 ms |
2652 KB |
Output is correct |
46 |
Correct |
2 ms |
2624 KB |
Output is correct |
47 |
Correct |
2 ms |
2652 KB |
Output is correct |
48 |
Correct |
2 ms |
2652 KB |
Output is correct |
49 |
Correct |
2 ms |
2648 KB |
Output is correct |
50 |
Correct |
2 ms |
2652 KB |
Output is correct |
51 |
Correct |
3 ms |
2652 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2396 KB |
Output is correct |
6 |
Correct |
1 ms |
2516 KB |
Output is correct |
7 |
Correct |
1 ms |
2512 KB |
Output is correct |
8 |
Correct |
1 ms |
2396 KB |
Output is correct |
9 |
Correct |
1 ms |
2396 KB |
Output is correct |
10 |
Correct |
1 ms |
2396 KB |
Output is correct |
11 |
Correct |
1 ms |
2396 KB |
Output is correct |
12 |
Correct |
1 ms |
2396 KB |
Output is correct |
13 |
Correct |
1 ms |
2392 KB |
Output is correct |
14 |
Correct |
1 ms |
2396 KB |
Output is correct |
15 |
Correct |
1 ms |
2396 KB |
Output is correct |
16 |
Correct |
1 ms |
2396 KB |
Output is correct |
17 |
Correct |
1 ms |
2520 KB |
Output is correct |
18 |
Correct |
1 ms |
2396 KB |
Output is correct |
19 |
Correct |
1 ms |
2396 KB |
Output is correct |
20 |
Correct |
1 ms |
2392 KB |
Output is correct |
21 |
Correct |
1 ms |
2396 KB |
Output is correct |
22 |
Correct |
1 ms |
2392 KB |
Output is correct |
23 |
Correct |
1 ms |
2392 KB |
Output is correct |
24 |
Correct |
1 ms |
2396 KB |
Output is correct |
25 |
Correct |
1 ms |
2396 KB |
Output is correct |
26 |
Correct |
1 ms |
2396 KB |
Output is correct |
27 |
Correct |
2 ms |
2652 KB |
Output is correct |
28 |
Correct |
2 ms |
2648 KB |
Output is correct |
29 |
Correct |
2 ms |
2652 KB |
Output is correct |
30 |
Correct |
2 ms |
2524 KB |
Output is correct |
31 |
Correct |
2 ms |
2652 KB |
Output is correct |
32 |
Correct |
2 ms |
2652 KB |
Output is correct |
33 |
Correct |
2 ms |
2520 KB |
Output is correct |
34 |
Correct |
2 ms |
2628 KB |
Output is correct |
35 |
Correct |
2 ms |
2652 KB |
Output is correct |
36 |
Correct |
2 ms |
2652 KB |
Output is correct |
37 |
Correct |
2 ms |
2652 KB |
Output is correct |
38 |
Correct |
2 ms |
2652 KB |
Output is correct |
39 |
Correct |
2 ms |
2652 KB |
Output is correct |
40 |
Correct |
2 ms |
2652 KB |
Output is correct |
41 |
Correct |
2 ms |
2652 KB |
Output is correct |
42 |
Correct |
2 ms |
2652 KB |
Output is correct |
43 |
Correct |
2 ms |
2652 KB |
Output is correct |
44 |
Correct |
2 ms |
2524 KB |
Output is correct |
45 |
Correct |
2 ms |
2652 KB |
Output is correct |
46 |
Correct |
2 ms |
2624 KB |
Output is correct |
47 |
Correct |
2 ms |
2652 KB |
Output is correct |
48 |
Correct |
2 ms |
2652 KB |
Output is correct |
49 |
Correct |
2 ms |
2648 KB |
Output is correct |
50 |
Correct |
2 ms |
2652 KB |
Output is correct |
51 |
Correct |
3 ms |
2652 KB |
Output is correct |
52 |
Correct |
129 ms |
24580 KB |
Output is correct |
53 |
Correct |
131 ms |
24636 KB |
Output is correct |
54 |
Correct |
127 ms |
24656 KB |
Output is correct |
55 |
Correct |
131 ms |
24620 KB |
Output is correct |
56 |
Correct |
129 ms |
24636 KB |
Output is correct |
57 |
Correct |
129 ms |
24684 KB |
Output is correct |
58 |
Correct |
128 ms |
24656 KB |
Output is correct |
59 |
Correct |
129 ms |
24660 KB |
Output is correct |
60 |
Correct |
127 ms |
24656 KB |
Output is correct |
61 |
Correct |
138 ms |
24656 KB |
Output is correct |
62 |
Correct |
130 ms |
24636 KB |
Output is correct |
63 |
Correct |
128 ms |
24752 KB |
Output is correct |
64 |
Correct |
129 ms |
24660 KB |
Output is correct |
65 |
Correct |
130 ms |
24764 KB |
Output is correct |
66 |
Correct |
128 ms |
24632 KB |
Output is correct |
67 |
Correct |
129 ms |
24656 KB |
Output is correct |
68 |
Correct |
132 ms |
24660 KB |
Output is correct |