#pragma GCC optimize ("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")
#include "bits/stdc++.h"
#define pb push_back
#define vll vector<long long>
#define vb vector<bool>
#define vi vector<int>
#define vs vector<string>
#define vpii vector< pair<int, int> >
#define pii pair<int, int>
#define pbb pair<bool, bool>
#define pll pair<long long, long long>
#define vvi vector< vector<int> >
#define ld long double
#define mp make_pair
#define FASTIO ios_base::sync_with_stdio(false); cin.tie(NULL);
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
using namespace std;
using ll = long long;
const int MAXN = 5e5+5;
pair<ll, ll> in[MAXN];
// Solution O(n). Add the differences between sizes as negatives in the array. The rest is Kadane Algorithm. (Maximum contiguous sum)
int main()
{
int n;
cin >> n;
for(int i = 0; i < n; i++)
cin >> in[i].first >> in[i].second;
sort(in, in + n);
reverse(in, in + n);
vector< ll > elems;
elems.pb(in[0].second);
for(int i = 1; i < n; i++)
{
if(in[i].first != in[i - 1].first)
elems.pb(in[i].first - in[i - 1].first);
elems.pb(in[i].second);
}
ll ans = 0, temp = 0;
for(int i = 0; i < elems.size(); i++)
{
temp += elems[i];
ans = max(ans, temp);
if(temp < 0)
temp = 0;
}
cout << ans << "\n";
}
Compilation message
art.cpp:3: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
3 | #pragma GCC optimization ("unroll-loops")
|
art.cpp: In function 'int main()':
art.cpp:42:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
42 | for(int i = 0; i < elems.size(); i++)
| ~~^~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
308 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
308 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
308 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
308 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
312 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
272 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
308 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
308 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
312 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
272 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
5 ms |
680 KB |
Output is correct |
28 |
Correct |
5 ms |
724 KB |
Output is correct |
29 |
Correct |
6 ms |
644 KB |
Output is correct |
30 |
Correct |
6 ms |
724 KB |
Output is correct |
31 |
Correct |
6 ms |
724 KB |
Output is correct |
32 |
Correct |
5 ms |
724 KB |
Output is correct |
33 |
Correct |
5 ms |
704 KB |
Output is correct |
34 |
Correct |
5 ms |
704 KB |
Output is correct |
35 |
Correct |
6 ms |
724 KB |
Output is correct |
36 |
Correct |
6 ms |
724 KB |
Output is correct |
37 |
Correct |
5 ms |
724 KB |
Output is correct |
38 |
Correct |
5 ms |
724 KB |
Output is correct |
39 |
Correct |
5 ms |
608 KB |
Output is correct |
40 |
Correct |
5 ms |
700 KB |
Output is correct |
41 |
Correct |
5 ms |
644 KB |
Output is correct |
42 |
Correct |
6 ms |
700 KB |
Output is correct |
43 |
Correct |
6 ms |
676 KB |
Output is correct |
44 |
Correct |
7 ms |
632 KB |
Output is correct |
45 |
Correct |
5 ms |
700 KB |
Output is correct |
46 |
Correct |
5 ms |
724 KB |
Output is correct |
47 |
Correct |
5 ms |
704 KB |
Output is correct |
48 |
Correct |
5 ms |
620 KB |
Output is correct |
49 |
Correct |
6 ms |
708 KB |
Output is correct |
50 |
Correct |
5 ms |
724 KB |
Output is correct |
51 |
Correct |
5 ms |
724 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
308 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
0 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
308 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
312 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |
21 |
Correct |
1 ms |
272 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Correct |
1 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
212 KB |
Output is correct |
27 |
Correct |
5 ms |
680 KB |
Output is correct |
28 |
Correct |
5 ms |
724 KB |
Output is correct |
29 |
Correct |
6 ms |
644 KB |
Output is correct |
30 |
Correct |
6 ms |
724 KB |
Output is correct |
31 |
Correct |
6 ms |
724 KB |
Output is correct |
32 |
Correct |
5 ms |
724 KB |
Output is correct |
33 |
Correct |
5 ms |
704 KB |
Output is correct |
34 |
Correct |
5 ms |
704 KB |
Output is correct |
35 |
Correct |
6 ms |
724 KB |
Output is correct |
36 |
Correct |
6 ms |
724 KB |
Output is correct |
37 |
Correct |
5 ms |
724 KB |
Output is correct |
38 |
Correct |
5 ms |
724 KB |
Output is correct |
39 |
Correct |
5 ms |
608 KB |
Output is correct |
40 |
Correct |
5 ms |
700 KB |
Output is correct |
41 |
Correct |
5 ms |
644 KB |
Output is correct |
42 |
Correct |
6 ms |
700 KB |
Output is correct |
43 |
Correct |
6 ms |
676 KB |
Output is correct |
44 |
Correct |
7 ms |
632 KB |
Output is correct |
45 |
Correct |
5 ms |
700 KB |
Output is correct |
46 |
Correct |
5 ms |
724 KB |
Output is correct |
47 |
Correct |
5 ms |
704 KB |
Output is correct |
48 |
Correct |
5 ms |
620 KB |
Output is correct |
49 |
Correct |
6 ms |
708 KB |
Output is correct |
50 |
Correct |
5 ms |
724 KB |
Output is correct |
51 |
Correct |
5 ms |
724 KB |
Output is correct |
52 |
Correct |
504 ms |
19916 KB |
Output is correct |
53 |
Correct |
514 ms |
19712 KB |
Output is correct |
54 |
Correct |
513 ms |
19876 KB |
Output is correct |
55 |
Correct |
529 ms |
19736 KB |
Output is correct |
56 |
Correct |
503 ms |
19784 KB |
Output is correct |
57 |
Correct |
496 ms |
19768 KB |
Output is correct |
58 |
Correct |
509 ms |
19696 KB |
Output is correct |
59 |
Correct |
510 ms |
19804 KB |
Output is correct |
60 |
Correct |
509 ms |
19768 KB |
Output is correct |
61 |
Correct |
508 ms |
19856 KB |
Output is correct |
62 |
Correct |
502 ms |
19768 KB |
Output is correct |
63 |
Correct |
501 ms |
19776 KB |
Output is correct |
64 |
Correct |
508 ms |
19840 KB |
Output is correct |
65 |
Correct |
502 ms |
19748 KB |
Output is correct |
66 |
Correct |
509 ms |
19752 KB |
Output is correct |
67 |
Correct |
526 ms |
19776 KB |
Output is correct |
68 |
Correct |
516 ms |
19732 KB |
Output is correct |