Submission #1069922

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1069922	2024-08-22T10:03:03 Z	AdamGS	Rarest Insects (IOI22_insects)	C++17	99.81 / 100	40 ms	1216 KB

insects

#include "insects.h"
#include<bits/stdc++.h>
using namespace std;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
vector<int>V, usun, Q;
int n, m;
int solve(int l, int r, vector<int>czy) {
	if(l==r) return l;
	int mid=(l+r+1)/2;
	if(r-l>10) ++mid;
	vector<int>A, B;
	rep(i, n) if(czy[i]) {
		move_inside(i);
		++m;
		if(press_button()>mid) {
			A.pb(i);
			move_outside(i);
			--m;
		} else B.pb(i);
	}
	if(m==mid*V.size()) {
		for(auto i : B) czy[i]=0;
		return solve(mid, r, czy);
	}
	for(auto i : A) czy[i]=0;
	for(auto i : B) {
		move_outside(i);
		--m;
	}
	return solve(l, mid-1, czy);
}
int min_cardinality(int _n) {
	n=_n;
	rep(i, n) {
		++m;
		move_inside(i);
		if(press_button()==1) V.pb(i);
		else {
			move_outside(i);
			--m;
		}
	}
	vector<int>czy(n, 1);
	for(auto i : V) czy[i]=0;
	rep(i, V.size()) usun.pb(0);
	return solve(1, n/V.size(), czy);
}

Compilation message

insects.cpp: In function 'int solve(int, int, std::vector<int>)':
insects.cpp:25:6: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |  if(m==mid*V.size()) {
      |     ~^~~~~~~~~~~~~~
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:4:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    4 | #define rep(a, b) for(int a = 0; a < (b); ++a)
      |                                    ^
insects.cpp:49:2: note: in expansion of macro 'rep'
   49 |  rep(i, V.size()) usun.pb(0);
      |  ^~~

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	4 ms	436 KB	Output is correct
7	Correct	1 ms	428 KB	Output is correct
8	Correct	2 ms	344 KB	Output is correct
9	Correct	3 ms	440 KB	Output is correct
10	Correct	2 ms	364 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	3 ms	600 KB	Output is correct
13	Correct	2 ms	344 KB	Output is correct
14	Correct	2 ms	692 KB	Output is correct
15	Correct	2 ms	344 KB	Output is correct
16	Correct	3 ms	344 KB	Output is correct
17	Correct	3 ms	344 KB	Output is correct
18	Correct	3 ms	344 KB	Output is correct
19	Correct	2 ms	344 KB	Output is correct
20	Correct	3 ms	344 KB	Output is correct
21	Correct	2 ms	340 KB	Output is correct
22	Correct	1 ms	600 KB	Output is correct

Subtask #2

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	4 ms	436 KB	Output is correct
7	Correct	1 ms	428 KB	Output is correct
8	Correct	2 ms	344 KB	Output is correct
9	Correct	3 ms	440 KB	Output is correct
10	Correct	2 ms	364 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	3 ms	600 KB	Output is correct
13	Correct	2 ms	344 KB	Output is correct
14	Correct	2 ms	692 KB	Output is correct
15	Correct	2 ms	344 KB	Output is correct
16	Correct	3 ms	344 KB	Output is correct
17	Correct	3 ms	344 KB	Output is correct
18	Correct	3 ms	344 KB	Output is correct
19	Correct	2 ms	344 KB	Output is correct
20	Correct	3 ms	344 KB	Output is correct
21	Correct	2 ms	340 KB	Output is correct
22	Correct	1 ms	600 KB	Output is correct
23	Correct	11 ms	344 KB	Output is correct
24	Correct	5 ms	344 KB	Output is correct
25	Correct	15 ms	692 KB	Output is correct
26	Correct	18 ms	600 KB	Output is correct
27	Correct	15 ms	688 KB	Output is correct
28	Correct	5 ms	444 KB	Output is correct
29	Correct	14 ms	344 KB	Output is correct
30	Correct	15 ms	444 KB	Output is correct
31	Correct	16 ms	344 KB	Output is correct
32	Correct	14 ms	600 KB	Output is correct
33	Correct	19 ms	600 KB	Output is correct
34	Correct	15 ms	612 KB	Output is correct
35	Correct	9 ms	436 KB	Output is correct
36	Correct	12 ms	600 KB	Output is correct
37	Correct	16 ms	436 KB	Output is correct
38	Correct	12 ms	596 KB	Output is correct
39	Correct	11 ms	440 KB	Output is correct
40	Correct	5 ms	600 KB	Output is correct
41	Correct	5 ms	692 KB	Output is correct

Subtask #3

74.81 / 75.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	344 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	344 KB	Output is correct
5	Correct	0 ms	344 KB	Output is correct
6	Correct	0 ms	344 KB	Output is correct
7	Correct	23 ms	452 KB	Output is correct
8	Correct	12 ms	344 KB	Output is correct
9	Correct	26 ms	424 KB	Output is correct
10	Correct	34 ms	424 KB	Output is correct
11	Correct	20 ms	344 KB	Output is correct
12	Correct	15 ms	692 KB	Output is correct
13	Correct	36 ms	664 KB	Output is correct
14	Correct	32 ms	432 KB	Output is correct
15	Correct	29 ms	444 KB	Output is correct
16	Correct	36 ms	592 KB	Output is correct
17	Correct	34 ms	448 KB	Output is correct
18	Correct	40 ms	428 KB	Output is correct
19	Correct	23 ms	432 KB	Output is correct
20	Correct	20 ms	848 KB	Output is correct
21	Correct	30 ms	700 KB	Output is correct
22	Partially correct	26 ms	600 KB	Output is partially correct
23	Correct	29 ms	608 KB	Output is correct
24	Correct	20 ms	444 KB	Output is correct
25	Correct	17 ms	440 KB	Output is correct
26	Correct	10 ms	344 KB	Output is correct
27	Correct	28 ms	344 KB	Output is correct
28	Correct	28 ms	684 KB	Output is correct
29	Correct	24 ms	452 KB	Output is correct
30	Correct	26 ms	848 KB	Output is correct
31	Correct	24 ms	848 KB	Output is correct
32	Correct	24 ms	452 KB	Output is correct
33	Correct	30 ms	844 KB	Output is correct
34	Correct	23 ms	448 KB	Output is correct
35	Correct	27 ms	600 KB	Output is correct
36	Correct	28 ms	860 KB	Output is correct
37	Correct	20 ms	592 KB	Output is correct
38	Correct	25 ms	436 KB	Output is correct
39	Correct	22 ms	464 KB	Output is correct
40	Correct	16 ms	436 KB	Output is correct
41	Correct	27 ms	616 KB	Output is correct
42	Correct	30 ms	344 KB	Output is correct
43	Correct	4 ms	344 KB	Output is correct
44	Correct	23 ms	344 KB	Output is correct
45	Correct	24 ms	1216 KB	Output is correct
46	Correct	13 ms	344 KB	Output is correct
47	Correct	10 ms	444 KB	Output is correct
48	Correct	12 ms	592 KB	Output is correct