#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 <numeric>
#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 <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()
#define rall(x) x.rbegin(), (x).rend()
const ll mod = 1e9 + 7;
const int block = 450;
const ll LINF = 1e16;
const int INF = 1e8;
ll add(ll a, ll b){
ll x = a + b;
if(x < 0) x += mod;
if(x >= mod) x -= mod;
return x;
}
ll mul(ll a, ll b){
return (a * b) % mod;
}
ll sub(ll x, ll y){
return add(x, -y);
}
ll binpow(ll a, ll b) {
ll res = 1LL;
while (b > 0) {
if (b & 1)
res = (res * a) % mod;
a = (a * a) % mod;
b >>= 1;
}
return res;
}
int n;
ll a[500005];
ll b[500005];
ll dp[500005];
pair<ll, ll> kek[500005];
void solve(){
cin >> n;
ll ans = 0;
for(int i = 1; i <= n; i++){
cin >> a[i] >> b[i];
ans = max(ans, b[i]);
kek[i] = {a[i], b[i]};
}
sort(kek + 1, kek + 1 + n);
for(int i = 1; i <= n; i++){
a[i] = kek[i].F;
b[i] = kek[i].S;
}
for(int i = 1; i <= n; i++){
dp[i] = max(dp[i - 1] + b[i], a[i] + b[i]);
}
for(int i = 1; i <= n; i++){
ll x = (b[i] - a[i]) + dp[i - 1];
ans = max(ans, x);
}
cout << ans;
}
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 |
4444 KB |
Output is correct |
| 2 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 3 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 4 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 5 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 7 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 8 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 9 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 11 |
Correct |
0 ms |
4444 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 2 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 3 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 4 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 5 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 7 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 8 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 9 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 11 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 12 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 13 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 14 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 15 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 16 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 17 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 18 |
Correct |
0 ms |
4512 KB |
Output is correct |
| 19 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 20 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 21 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 22 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 23 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 24 |
Correct |
0 ms |
4440 KB |
Output is correct |
| 25 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 26 |
Correct |
0 ms |
4444 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 2 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 3 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 4 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 5 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 7 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 8 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 9 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 11 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 12 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 13 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 14 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 15 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 16 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 17 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 18 |
Correct |
0 ms |
4512 KB |
Output is correct |
| 19 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 20 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 21 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 22 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 23 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 24 |
Correct |
0 ms |
4440 KB |
Output is correct |
| 25 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 26 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 27 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 28 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 29 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 30 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 31 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 32 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 33 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 34 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 35 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 36 |
Correct |
2 ms |
4444 KB |
Output is correct |
| 37 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 38 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 39 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 40 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 41 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 42 |
Correct |
2 ms |
4444 KB |
Output is correct |
| 43 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 44 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 45 |
Correct |
2 ms |
4444 KB |
Output is correct |
| 46 |
Correct |
1 ms |
4616 KB |
Output is correct |
| 47 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 48 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 49 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 50 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 51 |
Correct |
1 ms |
4444 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 2 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 3 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 4 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 5 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 6 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 7 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 8 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 9 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 10 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 11 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 12 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 13 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 14 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 15 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 16 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 17 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 18 |
Correct |
0 ms |
4512 KB |
Output is correct |
| 19 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 20 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 21 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 22 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 23 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 24 |
Correct |
0 ms |
4440 KB |
Output is correct |
| 25 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 26 |
Correct |
0 ms |
4444 KB |
Output is correct |
| 27 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 28 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 29 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 30 |
Correct |
1 ms |
4440 KB |
Output is correct |
| 31 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 32 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 33 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 34 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 35 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 36 |
Correct |
2 ms |
4444 KB |
Output is correct |
| 37 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 38 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 39 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 40 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 41 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 42 |
Correct |
2 ms |
4444 KB |
Output is correct |
| 43 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 44 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 45 |
Correct |
2 ms |
4444 KB |
Output is correct |
| 46 |
Correct |
1 ms |
4616 KB |
Output is correct |
| 47 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 48 |
Correct |
1 ms |
4700 KB |
Output is correct |
| 49 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 50 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 51 |
Correct |
1 ms |
4444 KB |
Output is correct |
| 52 |
Correct |
93 ms |
19848 KB |
Output is correct |
| 53 |
Correct |
102 ms |
20052 KB |
Output is correct |
| 54 |
Correct |
93 ms |
19792 KB |
Output is correct |
| 55 |
Correct |
95 ms |
19796 KB |
Output is correct |
| 56 |
Correct |
95 ms |
19796 KB |
Output is correct |
| 57 |
Correct |
102 ms |
19796 KB |
Output is correct |
| 58 |
Correct |
92 ms |
19796 KB |
Output is correct |
| 59 |
Correct |
92 ms |
19964 KB |
Output is correct |
| 60 |
Correct |
92 ms |
19792 KB |
Output is correct |
| 61 |
Correct |
94 ms |
19796 KB |
Output is correct |
| 62 |
Correct |
96 ms |
20048 KB |
Output is correct |
| 63 |
Correct |
92 ms |
19844 KB |
Output is correct |
| 64 |
Correct |
91 ms |
19792 KB |
Output is correct |
| 65 |
Correct |
92 ms |
19848 KB |
Output is correct |
| 66 |
Correct |
96 ms |
19756 KB |
Output is correct |
| 67 |
Correct |
95 ms |
19840 KB |
Output is correct |
| 68 |
Correct |
92 ms |
19792 KB |
Output is correct |
