Submission #164749

# Submission time Handle Problem Language Result Execution time Memory
164749 2019-11-23T07:03:49 Z oolimry Candies (JOI18_candies) C++14
100 / 100
966 ms 27512 KB
#include <bits/stdc++.h>

using namespace std;
typedef pair<long long, long long> ii;

set<ii> best;
set<long long> idx;
int main(){
	int n;
	cin >> n;
	long long arr[n];
	for(int i = 0;i < n;i++){
		cin >> arr[i];
		best.insert(ii(arr[i],i));
		idx.insert(i);
	}
	idx.insert(-1);
	idx.insert(n+1);
	long long ans = 0;
	for(int k = 1;k <= (n+1)/2;k++){
		set<ii>::iterator it = (--best.end());
		best.erase(it);
		idx.erase(it->second);
		
		ans += it->first;
		int s = it->second;
		
		long long r = *idx.upper_bound(s);
		long long l = *(--idx.lower_bound(s));
		arr[s] *= -1;
		if(l >= 0){
			arr[s] += arr[l];
			best.erase(ii(arr[l],l));
			idx.erase(l); 
		}
		if(r <= n-1){
			arr[s] += arr[r];
			best.erase(ii(arr[r],r));
			idx.erase(r); 
		}
		
		if(r <= n-1 && l >= 0){
			best.insert(ii(arr[s],s));
			idx.insert(s);
		}
		
		cout << ans << "\n";
	}
}
# Verdict Execution time Memory Grader output
1 Correct 6 ms 760 KB Output is correct
2 Correct 6 ms 632 KB Output is correct
3 Correct 6 ms 632 KB Output is correct
4 Correct 6 ms 632 KB Output is correct
5 Correct 6 ms 632 KB Output is correct
6 Correct 6 ms 632 KB Output is correct
7 Correct 6 ms 632 KB Output is correct
8 Correct 5 ms 632 KB Output is correct
9 Correct 5 ms 632 KB Output is correct
10 Correct 5 ms 632 KB Output is correct
11 Correct 7 ms 632 KB Output is correct
12 Correct 6 ms 604 KB Output is correct
13 Correct 6 ms 632 KB Output is correct
14 Correct 6 ms 632 KB Output is correct
15 Correct 6 ms 632 KB Output is correct
16 Correct 6 ms 632 KB Output is correct
17 Correct 6 ms 632 KB Output is correct
18 Correct 6 ms 632 KB Output is correct
19 Correct 5 ms 632 KB Output is correct
20 Correct 5 ms 632 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 760 KB Output is correct
2 Correct 6 ms 632 KB Output is correct
3 Correct 6 ms 632 KB Output is correct
4 Correct 6 ms 632 KB Output is correct
5 Correct 6 ms 632 KB Output is correct
6 Correct 6 ms 632 KB Output is correct
7 Correct 6 ms 632 KB Output is correct
8 Correct 5 ms 632 KB Output is correct
9 Correct 5 ms 632 KB Output is correct
10 Correct 5 ms 632 KB Output is correct
11 Correct 7 ms 632 KB Output is correct
12 Correct 6 ms 604 KB Output is correct
13 Correct 6 ms 632 KB Output is correct
14 Correct 6 ms 632 KB Output is correct
15 Correct 6 ms 632 KB Output is correct
16 Correct 6 ms 632 KB Output is correct
17 Correct 6 ms 632 KB Output is correct
18 Correct 6 ms 632 KB Output is correct
19 Correct 5 ms 632 KB Output is correct
20 Correct 5 ms 632 KB Output is correct
21 Correct 892 ms 27320 KB Output is correct
22 Correct 902 ms 27328 KB Output is correct
23 Correct 852 ms 27296 KB Output is correct
24 Correct 490 ms 27256 KB Output is correct
25 Correct 468 ms 27288 KB Output is correct
26 Correct 455 ms 27116 KB Output is correct
27 Correct 476 ms 27292 KB Output is correct
28 Correct 479 ms 27328 KB Output is correct
29 Correct 478 ms 27384 KB Output is correct
30 Correct 514 ms 27248 KB Output is correct
31 Correct 502 ms 27512 KB Output is correct
32 Correct 496 ms 27504 KB Output is correct
33 Correct 681 ms 27128 KB Output is correct
34 Correct 648 ms 27144 KB Output is correct
35 Correct 653 ms 27236 KB Output is correct
36 Correct 908 ms 27384 KB Output is correct
37 Correct 966 ms 27316 KB Output is correct
38 Correct 943 ms 27436 KB Output is correct
39 Correct 471 ms 27280 KB Output is correct
40 Correct 467 ms 27128 KB Output is correct
41 Correct 462 ms 27240 KB Output is correct
42 Correct 477 ms 27264 KB Output is correct
43 Correct 478 ms 27396 KB Output is correct
44 Correct 478 ms 27400 KB Output is correct
45 Correct 521 ms 27360 KB Output is correct
46 Correct 493 ms 27256 KB Output is correct
47 Correct 494 ms 27360 KB Output is correct
48 Correct 652 ms 27100 KB Output is correct
49 Correct 665 ms 27140 KB Output is correct
50 Correct 648 ms 27256 KB Output is correct