#include <bits/stdc++.h>
#define taskname ""
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define for0(i, n) for (int i = 0; i < (int)(n); ++i)
#define for1(i, n) for (int i = 1; i <= (int)(n); ++i)
#define ford(i, n) for (int i = (int)(n) - 1; i >= 0; --i)
#define fore(i, a, b) for (int i = (int)(a); i <= (int)(b); ++i)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef complex <ld> cd;
typedef vector <cd> vcd;
typedef vector <int> vi;
template<class T> using v2d = vector <vector <T> >;
template<class T> bool uin(T &a, T b)
{
return a > b ? (a = b, true) : false;
}
template<class T> bool uax(T &a, T b)
{
return a < b ? (a = b, true) : false;
}
mt19937 rng(chrono::system_clock::now().time_since_epoch().count());
const int maxN = 5e5 + 10;
int n;
struct pic
{
ll a, b;
pic() {}
pic(ll a, ll b) : a(a), b(b) {}
} art[maxN];
ll prefix[maxN];
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cin >> n;
for1(i, n)
{
cin >> art[i].a >> art[i].b;
}
sort(art + 1, art + n + 1, [](pic x, pic y)
{
return x.a < y.a;
});
ll res = 0;
for1(i, n)
{
//set with 1 elements
uax(res, art[i].b);
}
for1(i, n)
{
prefix[i] = prefix[i - 1] + art[i].b;
}
ll kmax = prefix[n] - art[n].a;
for (int i = n - 1; i; --i)
{
uax(res, kmax - prefix[i] + art[i].a + art[i].b);
uax(kmax, prefix[i] - art[i].a);
}
cout << res;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
380 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
6 ms |
380 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
380 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
400 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
380 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
6 ms |
380 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
380 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
400 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
380 KB |
Output is correct |
| 16 |
Correct |
6 ms |
376 KB |
Output is correct |
| 17 |
Correct |
6 ms |
376 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
376 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Correct |
5 ms |
376 KB |
Output is correct |
| 22 |
Correct |
5 ms |
376 KB |
Output is correct |
| 23 |
Correct |
5 ms |
376 KB |
Output is correct |
| 24 |
Correct |
5 ms |
376 KB |
Output is correct |
| 25 |
Correct |
5 ms |
376 KB |
Output is correct |
| 26 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
380 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
6 ms |
380 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
380 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
400 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
380 KB |
Output is correct |
| 16 |
Correct |
6 ms |
376 KB |
Output is correct |
| 17 |
Correct |
6 ms |
376 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
376 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Correct |
5 ms |
376 KB |
Output is correct |
| 22 |
Correct |
5 ms |
376 KB |
Output is correct |
| 23 |
Correct |
5 ms |
376 KB |
Output is correct |
| 24 |
Correct |
5 ms |
376 KB |
Output is correct |
| 25 |
Correct |
5 ms |
376 KB |
Output is correct |
| 26 |
Correct |
5 ms |
376 KB |
Output is correct |
| 27 |
Correct |
8 ms |
632 KB |
Output is correct |
| 28 |
Correct |
7 ms |
636 KB |
Output is correct |
| 29 |
Correct |
7 ms |
632 KB |
Output is correct |
| 30 |
Correct |
7 ms |
632 KB |
Output is correct |
| 31 |
Correct |
7 ms |
632 KB |
Output is correct |
| 32 |
Correct |
7 ms |
632 KB |
Output is correct |
| 33 |
Correct |
7 ms |
632 KB |
Output is correct |
| 34 |
Correct |
7 ms |
632 KB |
Output is correct |
| 35 |
Correct |
7 ms |
632 KB |
Output is correct |
| 36 |
Correct |
7 ms |
632 KB |
Output is correct |
| 37 |
Correct |
7 ms |
632 KB |
Output is correct |
| 38 |
Correct |
8 ms |
632 KB |
Output is correct |
| 39 |
Correct |
7 ms |
632 KB |
Output is correct |
| 40 |
Correct |
7 ms |
632 KB |
Output is correct |
| 41 |
Correct |
8 ms |
632 KB |
Output is correct |
| 42 |
Correct |
7 ms |
632 KB |
Output is correct |
| 43 |
Correct |
7 ms |
632 KB |
Output is correct |
| 44 |
Correct |
7 ms |
632 KB |
Output is correct |
| 45 |
Correct |
8 ms |
632 KB |
Output is correct |
| 46 |
Correct |
7 ms |
632 KB |
Output is correct |
| 47 |
Correct |
7 ms |
632 KB |
Output is correct |
| 48 |
Correct |
7 ms |
632 KB |
Output is correct |
| 49 |
Correct |
7 ms |
632 KB |
Output is correct |
| 50 |
Correct |
8 ms |
632 KB |
Output is correct |
| 51 |
Correct |
7 ms |
632 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
5 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
380 KB |
Output is correct |
| 5 |
Correct |
5 ms |
376 KB |
Output is correct |
| 6 |
Correct |
6 ms |
380 KB |
Output is correct |
| 7 |
Correct |
5 ms |
376 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
380 KB |
Output is correct |
| 10 |
Correct |
5 ms |
376 KB |
Output is correct |
| 11 |
Correct |
5 ms |
400 KB |
Output is correct |
| 12 |
Correct |
5 ms |
376 KB |
Output is correct |
| 13 |
Correct |
5 ms |
376 KB |
Output is correct |
| 14 |
Correct |
5 ms |
376 KB |
Output is correct |
| 15 |
Correct |
5 ms |
380 KB |
Output is correct |
| 16 |
Correct |
6 ms |
376 KB |
Output is correct |
| 17 |
Correct |
6 ms |
376 KB |
Output is correct |
| 18 |
Correct |
5 ms |
376 KB |
Output is correct |
| 19 |
Correct |
5 ms |
376 KB |
Output is correct |
| 20 |
Correct |
5 ms |
376 KB |
Output is correct |
| 21 |
Correct |
5 ms |
376 KB |
Output is correct |
| 22 |
Correct |
5 ms |
376 KB |
Output is correct |
| 23 |
Correct |
5 ms |
376 KB |
Output is correct |
| 24 |
Correct |
5 ms |
376 KB |
Output is correct |
| 25 |
Correct |
5 ms |
376 KB |
Output is correct |
| 26 |
Correct |
5 ms |
376 KB |
Output is correct |
| 27 |
Correct |
8 ms |
632 KB |
Output is correct |
| 28 |
Correct |
7 ms |
636 KB |
Output is correct |
| 29 |
Correct |
7 ms |
632 KB |
Output is correct |
| 30 |
Correct |
7 ms |
632 KB |
Output is correct |
| 31 |
Correct |
7 ms |
632 KB |
Output is correct |
| 32 |
Correct |
7 ms |
632 KB |
Output is correct |
| 33 |
Correct |
7 ms |
632 KB |
Output is correct |
| 34 |
Correct |
7 ms |
632 KB |
Output is correct |
| 35 |
Correct |
7 ms |
632 KB |
Output is correct |
| 36 |
Correct |
7 ms |
632 KB |
Output is correct |
| 37 |
Correct |
7 ms |
632 KB |
Output is correct |
| 38 |
Correct |
8 ms |
632 KB |
Output is correct |
| 39 |
Correct |
7 ms |
632 KB |
Output is correct |
| 40 |
Correct |
7 ms |
632 KB |
Output is correct |
| 41 |
Correct |
8 ms |
632 KB |
Output is correct |
| 42 |
Correct |
7 ms |
632 KB |
Output is correct |
| 43 |
Correct |
7 ms |
632 KB |
Output is correct |
| 44 |
Correct |
7 ms |
632 KB |
Output is correct |
| 45 |
Correct |
8 ms |
632 KB |
Output is correct |
| 46 |
Correct |
7 ms |
632 KB |
Output is correct |
| 47 |
Correct |
7 ms |
632 KB |
Output is correct |
| 48 |
Correct |
7 ms |
632 KB |
Output is correct |
| 49 |
Correct |
7 ms |
632 KB |
Output is correct |
| 50 |
Correct |
8 ms |
632 KB |
Output is correct |
| 51 |
Correct |
7 ms |
632 KB |
Output is correct |
| 52 |
Correct |
226 ms |
13304 KB |
Output is correct |
| 53 |
Correct |
225 ms |
13432 KB |
Output is correct |
| 54 |
Correct |
217 ms |
13432 KB |
Output is correct |
| 55 |
Correct |
226 ms |
13432 KB |
Output is correct |
| 56 |
Correct |
228 ms |
13304 KB |
Output is correct |
| 57 |
Correct |
220 ms |
13304 KB |
Output is correct |
| 58 |
Correct |
225 ms |
13336 KB |
Output is correct |
| 59 |
Correct |
218 ms |
13432 KB |
Output is correct |
| 60 |
Correct |
300 ms |
13560 KB |
Output is correct |
| 61 |
Correct |
219 ms |
13304 KB |
Output is correct |
| 62 |
Correct |
215 ms |
13304 KB |
Output is correct |
| 63 |
Correct |
229 ms |
13432 KB |
Output is correct |
| 64 |
Correct |
229 ms |
13304 KB |
Output is correct |
| 65 |
Correct |
226 ms |
13504 KB |
Output is correct |
| 66 |
Correct |
214 ms |
13308 KB |
Output is correct |
| 67 |
Correct |
258 ms |
13176 KB |
Output is correct |
| 68 |
Correct |
229 ms |
13176 KB |
Output is correct |
