#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")
#include <iostream>
#include <fstream>
#include <algorithm>
#include <vector>
#include <set>
#include <stack>
#include <map>
#include <unordered_map>
#include <iomanip>
#include <cmath>
#include <queue>
#include <bitset>
#include <numeric>
#include <array>
#include <cstring>
#include <random>
#include <chrono>
#define fi first
#define se second
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define make_unique(x) sort(all((x))); (x).resize(unique(all((x))) - (x).begin())
typedef long long ll;
typedef long double ld;
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
// template<class T>
// using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
int main() {
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int n = 0;
cin >> n;
vector<pair<ll, ll> > ab(n);
for(auto& x : ab) cin >> x.fi >> x.se;
sort(all(ab));
ll ans = 0;
ll ca = 0, cb = 0, cur = 0;
for(int i = 0; i < n; i++) {
cb = cb + (i ? ab[i - 1].fi : 0) + (i ? ab[i - 1].se : 0) - ab[i].fi;
cur = min(cur, cb);
ca = ca + (i ? ab[i - 1].fi : 0) + ab[i].se - ab[i].fi;
ans = max(ans, ca - cur);
}
cout << ans;
return 0;
}
/*
*/
Compilation message
art.cpp:3: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
3 | #pragma GCC optimization ("unroll-loops")
|
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
492 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
492 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
3 ms |
492 KB |
Output is correct |
28 |
Correct |
3 ms |
492 KB |
Output is correct |
29 |
Correct |
3 ms |
508 KB |
Output is correct |
30 |
Correct |
3 ms |
492 KB |
Output is correct |
31 |
Correct |
3 ms |
492 KB |
Output is correct |
32 |
Correct |
3 ms |
492 KB |
Output is correct |
33 |
Correct |
3 ms |
492 KB |
Output is correct |
34 |
Correct |
3 ms |
492 KB |
Output is correct |
35 |
Correct |
4 ms |
492 KB |
Output is correct |
36 |
Correct |
3 ms |
512 KB |
Output is correct |
37 |
Correct |
3 ms |
492 KB |
Output is correct |
38 |
Correct |
3 ms |
492 KB |
Output is correct |
39 |
Correct |
3 ms |
492 KB |
Output is correct |
40 |
Correct |
3 ms |
492 KB |
Output is correct |
41 |
Correct |
3 ms |
492 KB |
Output is correct |
42 |
Correct |
4 ms |
492 KB |
Output is correct |
43 |
Correct |
3 ms |
492 KB |
Output is correct |
44 |
Correct |
3 ms |
492 KB |
Output is correct |
45 |
Correct |
3 ms |
492 KB |
Output is correct |
46 |
Correct |
3 ms |
492 KB |
Output is correct |
47 |
Correct |
3 ms |
492 KB |
Output is correct |
48 |
Correct |
3 ms |
492 KB |
Output is correct |
49 |
Correct |
3 ms |
492 KB |
Output is correct |
50 |
Correct |
3 ms |
492 KB |
Output is correct |
51 |
Correct |
3 ms |
492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
364 KB |
Output is correct |
2 |
Correct |
1 ms |
364 KB |
Output is correct |
3 |
Correct |
1 ms |
364 KB |
Output is correct |
4 |
Correct |
1 ms |
364 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
364 KB |
Output is correct |
7 |
Correct |
1 ms |
364 KB |
Output is correct |
8 |
Correct |
1 ms |
364 KB |
Output is correct |
9 |
Correct |
1 ms |
364 KB |
Output is correct |
10 |
Correct |
1 ms |
364 KB |
Output is correct |
11 |
Correct |
1 ms |
364 KB |
Output is correct |
12 |
Correct |
1 ms |
492 KB |
Output is correct |
13 |
Correct |
1 ms |
364 KB |
Output is correct |
14 |
Correct |
1 ms |
364 KB |
Output is correct |
15 |
Correct |
1 ms |
364 KB |
Output is correct |
16 |
Correct |
1 ms |
364 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
364 KB |
Output is correct |
19 |
Correct |
1 ms |
364 KB |
Output is correct |
20 |
Correct |
1 ms |
364 KB |
Output is correct |
21 |
Correct |
1 ms |
364 KB |
Output is correct |
22 |
Correct |
1 ms |
364 KB |
Output is correct |
23 |
Correct |
1 ms |
364 KB |
Output is correct |
24 |
Correct |
1 ms |
364 KB |
Output is correct |
25 |
Correct |
1 ms |
364 KB |
Output is correct |
26 |
Correct |
1 ms |
364 KB |
Output is correct |
27 |
Correct |
3 ms |
492 KB |
Output is correct |
28 |
Correct |
3 ms |
492 KB |
Output is correct |
29 |
Correct |
3 ms |
508 KB |
Output is correct |
30 |
Correct |
3 ms |
492 KB |
Output is correct |
31 |
Correct |
3 ms |
492 KB |
Output is correct |
32 |
Correct |
3 ms |
492 KB |
Output is correct |
33 |
Correct |
3 ms |
492 KB |
Output is correct |
34 |
Correct |
3 ms |
492 KB |
Output is correct |
35 |
Correct |
4 ms |
492 KB |
Output is correct |
36 |
Correct |
3 ms |
512 KB |
Output is correct |
37 |
Correct |
3 ms |
492 KB |
Output is correct |
38 |
Correct |
3 ms |
492 KB |
Output is correct |
39 |
Correct |
3 ms |
492 KB |
Output is correct |
40 |
Correct |
3 ms |
492 KB |
Output is correct |
41 |
Correct |
3 ms |
492 KB |
Output is correct |
42 |
Correct |
4 ms |
492 KB |
Output is correct |
43 |
Correct |
3 ms |
492 KB |
Output is correct |
44 |
Correct |
3 ms |
492 KB |
Output is correct |
45 |
Correct |
3 ms |
492 KB |
Output is correct |
46 |
Correct |
3 ms |
492 KB |
Output is correct |
47 |
Correct |
3 ms |
492 KB |
Output is correct |
48 |
Correct |
3 ms |
492 KB |
Output is correct |
49 |
Correct |
3 ms |
492 KB |
Output is correct |
50 |
Correct |
3 ms |
492 KB |
Output is correct |
51 |
Correct |
3 ms |
492 KB |
Output is correct |
52 |
Correct |
223 ms |
20864 KB |
Output is correct |
53 |
Correct |
223 ms |
20844 KB |
Output is correct |
54 |
Correct |
222 ms |
20972 KB |
Output is correct |
55 |
Correct |
221 ms |
20844 KB |
Output is correct |
56 |
Correct |
220 ms |
20844 KB |
Output is correct |
57 |
Correct |
248 ms |
20972 KB |
Output is correct |
58 |
Correct |
219 ms |
20844 KB |
Output is correct |
59 |
Correct |
222 ms |
20972 KB |
Output is correct |
60 |
Correct |
223 ms |
20844 KB |
Output is correct |
61 |
Correct |
218 ms |
20740 KB |
Output is correct |
62 |
Correct |
219 ms |
20844 KB |
Output is correct |
63 |
Correct |
235 ms |
20916 KB |
Output is correct |
64 |
Correct |
227 ms |
20972 KB |
Output is correct |
65 |
Correct |
230 ms |
20844 KB |
Output is correct |
66 |
Correct |
220 ms |
20972 KB |
Output is correct |
67 |
Correct |
222 ms |
20972 KB |
Output is correct |
68 |
Correct |
218 ms |
20972 KB |
Output is correct |