Submission #952944

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
952944	2024-03-25T06:33:23 Z	Isam	Swimming competition (LMIO18_plaukimo_varzybos)	C++17	100 / 100	366 ms	6224 KB

plaukimo_varzybos

#include<bits/stdc++.h>
using namespace std;
int n, l, r, t[1000001];
signed main(){
	ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
	cin >> n >> l >> r;
	for(register int i = 1; i <= n; ++i) cin >> t[i];
	sort(t+1,t+n+1);
	function<bool(int)> check = [](int dif){
		int i(1);
		deque<int> q = {0};
		while(i <= n && !q.empty()){
			if(i - q.front() >= l){
				if(i - q.front() <= r && t[i] - t[q.front()+1] <= dif){
					q.push_back(i), ++i;
				}else{
					q.pop_front();
				}
			}else{
				++i;
			}
		}
		return (!q.empty() && q.back() == n);
	};
	int lo(0), hi(t[n]), mid, ans;
	while(lo <= hi){
		mid = lo + ((hi - lo) >> 1);
		if(check(mid)){
			hi = mid - 1, ans = mid;
		}else{
			lo = mid + 1;
		}
	}
	cout << ans << '\n';
	return 0;
}

Compilation message

plaukimo_varzybos.cpp: In function 'int main()':
plaukimo_varzybos.cpp:7:19: warning: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
    7 |  for(register int i = 1; i <= n; ++i) cin >> t[i];
      |                   ^
plaukimo_varzybos.cpp:34:17: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   34 |  cout << ans << '\n';
      |                 ^~~~

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	10 ms	2652 KB	Output is correct
3	Correct	2 ms	348 KB	Output is correct
4	Correct	157 ms	4476 KB	Output is correct
5	Correct	145 ms	4352 KB	Output is correct
6	Correct	15 ms	2648 KB	Output is correct
7	Correct	128 ms	3964 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct

Subtask #2

20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	600 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	344 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct

Subtask #3

30.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	10 ms	2652 KB	Output is correct
3	Correct	2 ms	348 KB	Output is correct
4	Correct	157 ms	4476 KB	Output is correct
5	Correct	145 ms	4352 KB	Output is correct
6	Correct	15 ms	2648 KB	Output is correct
7	Correct	128 ms	3964 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	0 ms	600 KB	Output is correct
13	Correct	1 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	344 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	5 ms	348 KB	Output is correct
22	Correct	5 ms	2652 KB	Output is correct
23	Correct	9 ms	2696 KB	Output is correct
24	Correct	15 ms	2652 KB	Output is correct
25	Correct	61 ms	3156 KB	Output is correct
26	Correct	168 ms	3572 KB	Output is correct
27	Correct	19 ms	2652 KB	Output is correct
28	Correct	9 ms	2692 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	271 ms	4396 KB	Output is correct
31	Correct	265 ms	4216 KB	Output is correct

Subtask #4

40.0 / 40.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	10 ms	2652 KB	Output is correct
3	Correct	2 ms	348 KB	Output is correct
4	Correct	157 ms	4476 KB	Output is correct
5	Correct	145 ms	4352 KB	Output is correct
6	Correct	15 ms	2648 KB	Output is correct
7	Correct	128 ms	3964 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	5 ms	348 KB	Output is correct
12	Correct	5 ms	2652 KB	Output is correct
13	Correct	9 ms	2696 KB	Output is correct
14	Correct	15 ms	2652 KB	Output is correct
15	Correct	61 ms	3156 KB	Output is correct
16	Correct	168 ms	3572 KB	Output is correct
17	Correct	19 ms	2652 KB	Output is correct
18	Correct	9 ms	2692 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	271 ms	4396 KB	Output is correct
21	Correct	265 ms	4216 KB	Output is correct
22	Correct	0 ms	344 KB	Output is correct
23	Correct	0 ms	600 KB	Output is correct
24	Correct	1 ms	348 KB	Output is correct
25	Correct	0 ms	344 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	344 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	0 ms	348 KB	Output is correct
31	Correct	0 ms	348 KB	Output is correct
32	Correct	6 ms	2652 KB	Output is correct
33	Correct	103 ms	2944 KB	Output is correct
34	Correct	78 ms	2796 KB	Output is correct
35	Correct	366 ms	6224 KB	Output is correct
36	Correct	178 ms	6224 KB	Output is correct
37	Correct	177 ms	5972 KB	Output is correct
38	Correct	114 ms	3204 KB	Output is correct