#include <bits/stdc++.h>
using namespace std;
typedef long long lo;
#define fi first
#define se second
#define endl "\n"
#define pb push_back
#define int long long
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=1;i<=n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)
#define _ << " " <<
const lo inf = 1000000000;
const lo li = 500005;
const lo mod = 1000000007;
int n,m,a[li],k,flag,t,b[li],dp[li][2];
int cev;
string s;
vector<int> v;
pair<int,int> p[li];
inline int f(int i,int al){
int cevap=-1000000000000000000;
if(i==n+2){
return 0;
}
if(i==n+1){
return -1000000000000000000;
}
if(~dp[i][al])return dp[i][al];
a[i]=p[i].fi;
b[i]=p[i].se;
cevap=max(cevap,f(i+1,al));
cevap=max(cevap,f(n+2,1)+b[i]-a[i]+(al==0?a[i]:0));
cevap=max(cevap,f(i+1,1)+b[i]+(al==0?a[i]:0));
return dp[i][al]=cevap;
}
int32_t main(void){
fio();
cin>>n;
memset(dp,-1,sizeof(dp));
for(int i=1;i<=n;i++){
cin>>p[i].fi>>p[i].se;
}
sort(p+1,p+n+1);
cout<<f(1,0)<<endl;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
4 ms |
8280 KB |
Output is correct |
| 2 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 3 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 4 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 5 |
Correct |
3 ms |
8308 KB |
Output is correct |
| 6 |
Correct |
3 ms |
8280 KB |
Output is correct |
| 7 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 8 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 9 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 10 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 11 |
Correct |
4 ms |
8284 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
4 ms |
8280 KB |
Output is correct |
| 2 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 3 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 4 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 5 |
Correct |
3 ms |
8308 KB |
Output is correct |
| 6 |
Correct |
3 ms |
8280 KB |
Output is correct |
| 7 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 8 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 9 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 10 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 11 |
Correct |
4 ms |
8284 KB |
Output is correct |
| 12 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 13 |
Correct |
4 ms |
8256 KB |
Output is correct |
| 14 |
Correct |
4 ms |
8284 KB |
Output is correct |
| 15 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 16 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 17 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 18 |
Correct |
4 ms |
8284 KB |
Output is correct |
| 19 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 20 |
Correct |
3 ms |
8280 KB |
Output is correct |
| 21 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 22 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 23 |
Correct |
3 ms |
8208 KB |
Output is correct |
| 24 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 25 |
Correct |
5 ms |
8280 KB |
Output is correct |
| 26 |
Correct |
3 ms |
8284 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
4 ms |
8280 KB |
Output is correct |
| 2 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 3 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 4 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 5 |
Correct |
3 ms |
8308 KB |
Output is correct |
| 6 |
Correct |
3 ms |
8280 KB |
Output is correct |
| 7 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 8 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 9 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 10 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 11 |
Correct |
4 ms |
8284 KB |
Output is correct |
| 12 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 13 |
Correct |
4 ms |
8256 KB |
Output is correct |
| 14 |
Correct |
4 ms |
8284 KB |
Output is correct |
| 15 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 16 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 17 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 18 |
Correct |
4 ms |
8284 KB |
Output is correct |
| 19 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 20 |
Correct |
3 ms |
8280 KB |
Output is correct |
| 21 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 22 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 23 |
Correct |
3 ms |
8208 KB |
Output is correct |
| 24 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 25 |
Correct |
5 ms |
8280 KB |
Output is correct |
| 26 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 27 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 28 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 29 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 30 |
Correct |
5 ms |
8676 KB |
Output is correct |
| 31 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 32 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 33 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 34 |
Correct |
7 ms |
8796 KB |
Output is correct |
| 35 |
Correct |
5 ms |
8756 KB |
Output is correct |
| 36 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 37 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 38 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 39 |
Correct |
5 ms |
8600 KB |
Output is correct |
| 40 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 41 |
Correct |
4 ms |
8796 KB |
Output is correct |
| 42 |
Correct |
5 ms |
8800 KB |
Output is correct |
| 43 |
Correct |
5 ms |
8704 KB |
Output is correct |
| 44 |
Correct |
5 ms |
8800 KB |
Output is correct |
| 45 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 46 |
Correct |
5 ms |
8800 KB |
Output is correct |
| 47 |
Correct |
5 ms |
8648 KB |
Output is correct |
| 48 |
Correct |
5 ms |
8792 KB |
Output is correct |
| 49 |
Correct |
4 ms |
8796 KB |
Output is correct |
| 50 |
Correct |
4 ms |
8796 KB |
Output is correct |
| 51 |
Correct |
4 ms |
9048 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
4 ms |
8280 KB |
Output is correct |
| 2 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 3 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 4 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 5 |
Correct |
3 ms |
8308 KB |
Output is correct |
| 6 |
Correct |
3 ms |
8280 KB |
Output is correct |
| 7 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 8 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 9 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 10 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 11 |
Correct |
4 ms |
8284 KB |
Output is correct |
| 12 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 13 |
Correct |
4 ms |
8256 KB |
Output is correct |
| 14 |
Correct |
4 ms |
8284 KB |
Output is correct |
| 15 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 16 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 17 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 18 |
Correct |
4 ms |
8284 KB |
Output is correct |
| 19 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 20 |
Correct |
3 ms |
8280 KB |
Output is correct |
| 21 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 22 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 23 |
Correct |
3 ms |
8208 KB |
Output is correct |
| 24 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 25 |
Correct |
5 ms |
8280 KB |
Output is correct |
| 26 |
Correct |
3 ms |
8284 KB |
Output is correct |
| 27 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 28 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 29 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 30 |
Correct |
5 ms |
8676 KB |
Output is correct |
| 31 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 32 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 33 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 34 |
Correct |
7 ms |
8796 KB |
Output is correct |
| 35 |
Correct |
5 ms |
8756 KB |
Output is correct |
| 36 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 37 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 38 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 39 |
Correct |
5 ms |
8600 KB |
Output is correct |
| 40 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 41 |
Correct |
4 ms |
8796 KB |
Output is correct |
| 42 |
Correct |
5 ms |
8800 KB |
Output is correct |
| 43 |
Correct |
5 ms |
8704 KB |
Output is correct |
| 44 |
Correct |
5 ms |
8800 KB |
Output is correct |
| 45 |
Correct |
5 ms |
8796 KB |
Output is correct |
| 46 |
Correct |
5 ms |
8800 KB |
Output is correct |
| 47 |
Correct |
5 ms |
8648 KB |
Output is correct |
| 48 |
Correct |
5 ms |
8792 KB |
Output is correct |
| 49 |
Correct |
4 ms |
8796 KB |
Output is correct |
| 50 |
Correct |
4 ms |
8796 KB |
Output is correct |
| 51 |
Correct |
4 ms |
9048 KB |
Output is correct |
| 52 |
Correct |
151 ms |
59988 KB |
Output is correct |
| 53 |
Correct |
156 ms |
59836 KB |
Output is correct |
| 54 |
Correct |
148 ms |
59904 KB |
Output is correct |
| 55 |
Correct |
147 ms |
59988 KB |
Output is correct |
| 56 |
Correct |
151 ms |
59864 KB |
Output is correct |
| 57 |
Correct |
153 ms |
59956 KB |
Output is correct |
| 58 |
Correct |
142 ms |
59984 KB |
Output is correct |
| 59 |
Correct |
136 ms |
59932 KB |
Output is correct |
| 60 |
Correct |
150 ms |
59988 KB |
Output is correct |
| 61 |
Correct |
142 ms |
59660 KB |
Output is correct |
| 62 |
Correct |
141 ms |
59988 KB |
Output is correct |
| 63 |
Correct |
143 ms |
59836 KB |
Output is correct |
| 64 |
Correct |
144 ms |
60044 KB |
Output is correct |
| 65 |
Correct |
165 ms |
59912 KB |
Output is correct |
| 66 |
Correct |
147 ms |
59824 KB |
Output is correct |
| 67 |
Correct |
146 ms |
59984 KB |
Output is correct |
| 68 |
Correct |
142 ms |
60052 KB |
Output is correct |
