#include <iostream>
#include <fstream>
#include <iomanip>
#include <vector>
#include <set>
#include <map>
#include <cstring>
#include <string>
#include <cmath>
#include <cassert>
#include <ctime>
#include <algorithm>
#include <sstream>
#include <list>
#include <queue>
#include <deque>
#include <stack>
#include <cstdlib>
#include <cstdio>
#include <iterator>
#include <functional>
#include <unordered_set>
#include <unordered_map>
#include <stdio.h>
#include <bitset>
#include <cstdint>
#include <cassert>
#include <functional>
#include <complex>
#include <climits>
#include <random>
using namespace std;
#define ll long long
#define pb push_back
#define ull unsigned long long
#define F first
#define S second
#define all(v) v.begin(), v.end()
int n;
pair<ll, ll> ab[500005];
ll dp[500005];
void solve(){
cin >> n;
for(int i = 1; i <= n; i++){
cin >> ab[i].F >> ab[i].S;
}
sort(ab + 1, ab + 1 + n);
dp[1] = ab[1].F + ab[1].S;
ll mx = 0LL;
for(int i = 2; i <= n; i++){
dp[i] = max(dp[i - 1] + ab[i].S, ab[i].F + ab[i].S);
mx = max(mx, dp[i] - ab[i].F);
}
cout << mx;
}
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL), cout.tie(NULL);
int xach = 1;
//cin >> xach;
while(xach--) solve();
}
/*
*
*/
| # |
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 |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2768 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 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 |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2768 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
344 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
0 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
348 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 |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2768 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
344 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
0 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
348 KB |
Output is correct |
| 27 |
Correct |
2 ms |
600 KB |
Output is correct |
| 28 |
Correct |
2 ms |
604 KB |
Output is correct |
| 29 |
Correct |
3 ms |
604 KB |
Output is correct |
| 30 |
Correct |
3 ms |
604 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 |
2652 KB |
Output is correct |
| 34 |
Correct |
3 ms |
604 KB |
Output is correct |
| 35 |
Correct |
2 ms |
604 KB |
Output is correct |
| 36 |
Correct |
2 ms |
604 KB |
Output is correct |
| 37 |
Correct |
2 ms |
604 KB |
Output is correct |
| 38 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 39 |
Correct |
2 ms |
604 KB |
Output is correct |
| 40 |
Correct |
2 ms |
604 KB |
Output is correct |
| 41 |
Correct |
2 ms |
600 KB |
Output is correct |
| 42 |
Correct |
2 ms |
604 KB |
Output is correct |
| 43 |
Correct |
2 ms |
2648 KB |
Output is correct |
| 44 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 45 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 46 |
Correct |
2 ms |
588 KB |
Output is correct |
| 47 |
Correct |
3 ms |
604 KB |
Output is correct |
| 48 |
Correct |
3 ms |
2648 KB |
Output is correct |
| 49 |
Correct |
2 ms |
476 KB |
Output is correct |
| 50 |
Correct |
2 ms |
604 KB |
Output is correct |
| 51 |
Correct |
2 ms |
604 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 |
0 ms |
2396 KB |
Output is correct |
| 5 |
Correct |
1 ms |
2392 KB |
Output is correct |
| 6 |
Correct |
0 ms |
2396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
2768 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 18 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 19 |
Correct |
1 ms |
2396 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
348 KB |
Output is correct |
| 22 |
Correct |
1 ms |
344 KB |
Output is correct |
| 23 |
Correct |
1 ms |
344 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
0 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
348 KB |
Output is correct |
| 27 |
Correct |
2 ms |
600 KB |
Output is correct |
| 28 |
Correct |
2 ms |
604 KB |
Output is correct |
| 29 |
Correct |
3 ms |
604 KB |
Output is correct |
| 30 |
Correct |
3 ms |
604 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 |
2652 KB |
Output is correct |
| 34 |
Correct |
3 ms |
604 KB |
Output is correct |
| 35 |
Correct |
2 ms |
604 KB |
Output is correct |
| 36 |
Correct |
2 ms |
604 KB |
Output is correct |
| 37 |
Correct |
2 ms |
604 KB |
Output is correct |
| 38 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 39 |
Correct |
2 ms |
604 KB |
Output is correct |
| 40 |
Correct |
2 ms |
604 KB |
Output is correct |
| 41 |
Correct |
2 ms |
600 KB |
Output is correct |
| 42 |
Correct |
2 ms |
604 KB |
Output is correct |
| 43 |
Correct |
2 ms |
2648 KB |
Output is correct |
| 44 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 45 |
Correct |
2 ms |
2652 KB |
Output is correct |
| 46 |
Correct |
2 ms |
588 KB |
Output is correct |
| 47 |
Correct |
3 ms |
604 KB |
Output is correct |
| 48 |
Correct |
3 ms |
2648 KB |
Output is correct |
| 49 |
Correct |
2 ms |
476 KB |
Output is correct |
| 50 |
Correct |
2 ms |
604 KB |
Output is correct |
| 51 |
Correct |
2 ms |
604 KB |
Output is correct |
| 52 |
Correct |
136 ms |
24660 KB |
Output is correct |
| 53 |
Correct |
155 ms |
24772 KB |
Output is correct |
| 54 |
Correct |
148 ms |
24612 KB |
Output is correct |
| 55 |
Correct |
195 ms |
24768 KB |
Output is correct |
| 56 |
Correct |
132 ms |
24648 KB |
Output is correct |
| 57 |
Correct |
154 ms |
24660 KB |
Output is correct |
| 58 |
Correct |
129 ms |
24636 KB |
Output is correct |
| 59 |
Correct |
129 ms |
24668 KB |
Output is correct |
| 60 |
Correct |
124 ms |
24656 KB |
Output is correct |
| 61 |
Correct |
133 ms |
24656 KB |
Output is correct |
| 62 |
Correct |
127 ms |
24776 KB |
Output is correct |
| 63 |
Correct |
125 ms |
24668 KB |
Output is correct |
| 64 |
Correct |
128 ms |
24768 KB |
Output is correct |
| 65 |
Correct |
126 ms |
24904 KB |
Output is correct |
| 66 |
Correct |
128 ms |
24668 KB |
Output is correct |
| 67 |
Correct |
125 ms |
24656 KB |
Output is correct |
| 68 |
Correct |
128 ms |
24636 KB |
Output is correct |
