#pragma GCC optimize("O3")
#pragma GCC target("avx2")
#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <cstdlib>
#include <time.h>
#include <queue>
#include <set>
#include <map>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <bits/stdc++.h>
#define speed ios_base::sync_with_stdio(0), cin.tie(0)
#define TxtIO freopen("points.in","r",stdin); freopen("points.out","w",stdout);
using namespace std;
const int mod = 998244353;
#define ll long long
const int N=2e5+5;
//mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll binpow (ll a, ll n) {
ll res = 1;
while (n) {
if (n & 1)
res = res * a;
a = a * a;
n >>= 1;
}
return res;
}
void fcn(){
ll n;
cin>>n;
pair <ll,ll> a[n+3];
ll dp[n+3],dp2[n+3];
dp[0]=0;
for (int i=1; i<=n; i++){
cin>>a[i].first>>a[i].second;
}
sort(a+1,a+1+n);
for (int i=1; i<=n; i++){
dp[i]=dp[i-1]+a[i].second;
}
dp2[0]=-1e18;
ll ans=0;
for (int i=1; i<=n; i++){
dp2[i]=max(dp2[i-1],a[i].first-dp[i-1]);
}
for (int i=n; i>0; i--){
ans=max(ans,dp[i]+dp2[i]-a[i].first);
}
cout<<ans;
}
int main(){
//srand(time(0));
//fflush(stdout);
// freopen("bridges.in","r",stdin); freopen("bridges.out","w",stdout);
// speed;
ll T=1;
// cin>>T;
for (int i=1; i<=T; i++){
fcn();
}
}
/*
1
2 3
4 5
6 7
*/
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
344 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
344 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
348 KB |
Output is correct |
| 25 |
Correct |
0 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
356 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
344 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
344 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
348 KB |
Output is correct |
| 25 |
Correct |
0 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
356 KB |
Output is correct |
| 27 |
Correct |
3 ms |
348 KB |
Output is correct |
| 28 |
Correct |
3 ms |
348 KB |
Output is correct |
| 29 |
Correct |
3 ms |
348 KB |
Output is correct |
| 30 |
Correct |
3 ms |
580 KB |
Output is correct |
| 31 |
Correct |
3 ms |
584 KB |
Output is correct |
| 32 |
Correct |
3 ms |
348 KB |
Output is correct |
| 33 |
Correct |
3 ms |
348 KB |
Output is correct |
| 34 |
Correct |
3 ms |
348 KB |
Output is correct |
| 35 |
Correct |
3 ms |
348 KB |
Output is correct |
| 36 |
Correct |
3 ms |
588 KB |
Output is correct |
| 37 |
Correct |
3 ms |
348 KB |
Output is correct |
| 38 |
Correct |
4 ms |
348 KB |
Output is correct |
| 39 |
Correct |
4 ms |
576 KB |
Output is correct |
| 40 |
Correct |
3 ms |
404 KB |
Output is correct |
| 41 |
Correct |
3 ms |
348 KB |
Output is correct |
| 42 |
Correct |
3 ms |
348 KB |
Output is correct |
| 43 |
Correct |
3 ms |
348 KB |
Output is correct |
| 44 |
Correct |
3 ms |
348 KB |
Output is correct |
| 45 |
Correct |
3 ms |
348 KB |
Output is correct |
| 46 |
Correct |
3 ms |
344 KB |
Output is correct |
| 47 |
Correct |
3 ms |
348 KB |
Output is correct |
| 48 |
Correct |
3 ms |
588 KB |
Output is correct |
| 49 |
Correct |
3 ms |
348 KB |
Output is correct |
| 50 |
Correct |
3 ms |
348 KB |
Output is correct |
| 51 |
Correct |
3 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
348 KB |
Output is correct |
| 6 |
Correct |
0 ms |
348 KB |
Output is correct |
| 7 |
Correct |
0 ms |
348 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
344 KB |
Output is correct |
| 19 |
Correct |
0 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
344 KB |
Output is correct |
| 21 |
Correct |
0 ms |
348 KB |
Output is correct |
| 22 |
Correct |
0 ms |
348 KB |
Output is correct |
| 23 |
Correct |
0 ms |
348 KB |
Output is correct |
| 24 |
Correct |
0 ms |
348 KB |
Output is correct |
| 25 |
Correct |
0 ms |
348 KB |
Output is correct |
| 26 |
Correct |
0 ms |
356 KB |
Output is correct |
| 27 |
Correct |
3 ms |
348 KB |
Output is correct |
| 28 |
Correct |
3 ms |
348 KB |
Output is correct |
| 29 |
Correct |
3 ms |
348 KB |
Output is correct |
| 30 |
Correct |
3 ms |
580 KB |
Output is correct |
| 31 |
Correct |
3 ms |
584 KB |
Output is correct |
| 32 |
Correct |
3 ms |
348 KB |
Output is correct |
| 33 |
Correct |
3 ms |
348 KB |
Output is correct |
| 34 |
Correct |
3 ms |
348 KB |
Output is correct |
| 35 |
Correct |
3 ms |
348 KB |
Output is correct |
| 36 |
Correct |
3 ms |
588 KB |
Output is correct |
| 37 |
Correct |
3 ms |
348 KB |
Output is correct |
| 38 |
Correct |
4 ms |
348 KB |
Output is correct |
| 39 |
Correct |
4 ms |
576 KB |
Output is correct |
| 40 |
Correct |
3 ms |
404 KB |
Output is correct |
| 41 |
Correct |
3 ms |
348 KB |
Output is correct |
| 42 |
Correct |
3 ms |
348 KB |
Output is correct |
| 43 |
Correct |
3 ms |
348 KB |
Output is correct |
| 44 |
Correct |
3 ms |
348 KB |
Output is correct |
| 45 |
Correct |
3 ms |
348 KB |
Output is correct |
| 46 |
Correct |
3 ms |
344 KB |
Output is correct |
| 47 |
Correct |
3 ms |
348 KB |
Output is correct |
| 48 |
Correct |
3 ms |
588 KB |
Output is correct |
| 49 |
Correct |
3 ms |
348 KB |
Output is correct |
| 50 |
Correct |
3 ms |
348 KB |
Output is correct |
| 51 |
Correct |
3 ms |
348 KB |
Output is correct |
| 52 |
Correct |
283 ms |
15960 KB |
Output is correct |
| 53 |
Correct |
278 ms |
15964 KB |
Output is correct |
| 54 |
Correct |
284 ms |
15964 KB |
Output is correct |
| 55 |
Correct |
280 ms |
16056 KB |
Output is correct |
| 56 |
Correct |
271 ms |
16056 KB |
Output is correct |
| 57 |
Correct |
274 ms |
15964 KB |
Output is correct |
| 58 |
Correct |
288 ms |
15964 KB |
Output is correct |
| 59 |
Correct |
273 ms |
15960 KB |
Output is correct |
| 60 |
Correct |
288 ms |
15964 KB |
Output is correct |
| 61 |
Correct |
274 ms |
15964 KB |
Output is correct |
| 62 |
Correct |
276 ms |
15964 KB |
Output is correct |
| 63 |
Correct |
283 ms |
16056 KB |
Output is correct |
| 64 |
Correct |
275 ms |
16060 KB |
Output is correct |
| 65 |
Correct |
282 ms |
16076 KB |
Output is correct |
| 66 |
Correct |
296 ms |
16056 KB |
Output is correct |
| 67 |
Correct |
286 ms |
16064 KB |
Output is correct |
| 68 |
Correct |
273 ms |
16060 KB |
Output is correct |
