Submission #630906

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
630906	2022-08-17T10:21:33 Z	MateGiorbelidze	Rarest Insects (IOI22_insects)	C++17	54.74 / 100	163 ms	340 KB

insects

#include "insects.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define sc second

int n;

int min_cardinality(int N) {
	n = N;
	
	move_inside(0);
	
	vector <int> a , b;
	a.pb(0);
	
	for (int i = 1; i < n; i++) {
		
		move_inside(i);
		
		int ans = press_button();
		 
		if (ans == 2) {
			
			move_outside(i);
			b.pb(i);
			
		}
		else a.pb(i);
		
	}
	
	if (a.size() > b.size()) return 1;
	
	int fr[a.size() + 1];
	
	pair<int,int> d[b.size()];
	
	for (int i = 0; i < b.size(); i++)
		d[i] = {0 , a.size() - 1};
	
	for (int i = 0; i < a.size(); i++)
		fr[i] = 1;
	
	stack < pair<int,int> > st;
	int l = 0, r = a.size() - 1;
	st.push({0 , a.size() - 1});
	
	while (!st.empty()) {
		
		pair<int,int> k = st.top();
		st.pop();
		
		if (k.ff == k.sc) {
			
			for (int i = 0; i < b.size(); i++) {
				
				if (d[i] == k) {
					
					fr[k.ff]++;
					
				}
				
			}
			
		}
		else {
			
			int m = (k.ff + k.sc) / 2;
			
			for (int i = k.ff; i < l; i++)
				move_inside(a[i]);
			
			for (int i = l; i < k.ff; i++)
				move_outside(a[i]);
				
			for (int i = r + 1; i <= m; i++)
				move_inside(a[i]);
				
			for (int i = m + 1; i <= r; i++)
				move_outside(a[i]);		
			
			int cnt1 = 0 , cnt2 = 0;
				
			for (int i = 0; i < b.size(); i++) {
				
				if (d[i] == k) {
					
					move_inside(b[i]);
					
					int ans = press_button();
					
					if (ans == 2) {
						
						cnt1++;
						
						d[i] = {k.ff , m};
						
					}
					else {
						
						cnt2++;
						
						d[i] = {m + 1 , k.sc};
						
					}
					
					move_outside(b[i]);
					
				}
				
			}
			
			if (cnt2 > 0) st.push({m + 1, k.sc});
			if (cnt1 > 0) st.push({k.ff, m});
			
			l = k.ff; r = k.sc;
			
		}

	}
	int mn = INT_MAX;
	
	for (int i = 0; i < a.size(); i++)
		mn = min(mn , fr[i]);
		
	return mn;	
		
	
}

Compilation message

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:42:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |  for (int i = 0; i < b.size(); i++)
      |                  ~~^~~~~~~~~~
insects.cpp:45:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |  for (int i = 0; i < a.size(); i++)
      |                  ~~^~~~~~~~~~
insects.cpp:59:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   59 |    for (int i = 0; i < b.size(); i++) {
      |                    ~~^~~~~~~~~~
insects.cpp:88:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   88 |    for (int i = 0; i < b.size(); i++) {
      |                    ~~^~~~~~~~~~
insects.cpp:127:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  127 |  for (int i = 0; i < a.size(); i++)
      |                  ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	208 KB	Output is correct
2	Correct	1 ms	208 KB	Output is correct
3	Correct	0 ms	208 KB	Output is correct
4	Correct	1 ms	208 KB	Output is correct
5	Correct	1 ms	208 KB	Output is correct
6	Correct	4 ms	208 KB	Output is correct
7	Correct	3 ms	208 KB	Output is correct
8	Correct	9 ms	208 KB	Output is correct
9	Correct	12 ms	300 KB	Output is correct
10	Correct	5 ms	208 KB	Output is correct
11	Correct	2 ms	208 KB	Output is correct
12	Correct	10 ms	208 KB	Output is correct
13	Correct	10 ms	300 KB	Output is correct
14	Correct	9 ms	208 KB	Output is correct
15	Correct	6 ms	208 KB	Output is correct
16	Correct	9 ms	296 KB	Output is correct
17	Correct	9 ms	208 KB	Output is correct
18	Correct	9 ms	208 KB	Output is correct
19	Correct	6 ms	296 KB	Output is correct
20	Correct	12 ms	208 KB	Output is correct
21	Correct	12 ms	208 KB	Output is correct
22	Correct	4 ms	208 KB	Output is correct

Subtask #2
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	208 KB	Output is correct
2	Correct	1 ms	208 KB	Output is correct
3	Correct	0 ms	208 KB	Output is correct
4	Correct	1 ms	208 KB	Output is correct
5	Correct	1 ms	208 KB	Output is correct
6	Correct	4 ms	208 KB	Output is correct
7	Correct	3 ms	208 KB	Output is correct
8	Correct	9 ms	208 KB	Output is correct
9	Correct	12 ms	300 KB	Output is correct
10	Correct	5 ms	208 KB	Output is correct
11	Correct	2 ms	208 KB	Output is correct
12	Correct	10 ms	208 KB	Output is correct
13	Correct	10 ms	300 KB	Output is correct
14	Correct	9 ms	208 KB	Output is correct
15	Correct	6 ms	208 KB	Output is correct
16	Correct	9 ms	296 KB	Output is correct
17	Correct	9 ms	208 KB	Output is correct
18	Correct	9 ms	208 KB	Output is correct
19	Correct	6 ms	296 KB	Output is correct
20	Correct	12 ms	208 KB	Output is correct
21	Correct	12 ms	208 KB	Output is correct
22	Correct	4 ms	208 KB	Output is correct
23	Correct	10 ms	208 KB	Output is correct
24	Correct	11 ms	340 KB	Output is correct
25	Correct	48 ms	288 KB	Output is correct
26	Correct	48 ms	304 KB	Output is correct
27	Correct	15 ms	208 KB	Output is correct
28	Correct	7 ms	208 KB	Output is correct
29	Correct	32 ms	300 KB	Output is correct
30	Correct	69 ms	208 KB	Output is correct
31	Correct	40 ms	304 KB	Output is correct
32	Correct	38 ms	208 KB	Output is correct
33	Correct	34 ms	300 KB	Output is correct
34	Correct	32 ms	208 KB	Output is correct
35	Correct	32 ms	208 KB	Output is correct
36	Correct	44 ms	300 KB	Output is correct
37	Correct	71 ms	304 KB	Output is correct
38	Correct	51 ms	220 KB	Output is correct
39	Correct	64 ms	300 KB	Output is correct
40	Correct	50 ms	308 KB	Output is correct
41	Correct	10 ms	312 KB	Output is correct

Subtask #3
29.74 / 75.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	208 KB	Output is correct
2	Correct	1 ms	208 KB	Output is correct
3	Correct	0 ms	208 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	1 ms	208 KB	Output is correct
6	Correct	1 ms	208 KB	Output is correct
7	Correct	26 ms	304 KB	Output is correct
8	Correct	16 ms	284 KB	Output is correct
9	Partially correct	112 ms	272 KB	Output is partially correct
10	Partially correct	110 ms	292 KB	Output is partially correct
11	Correct	33 ms	296 KB	Output is correct
12	Partially correct	53 ms	308 KB	Output is partially correct
13	Partially correct	52 ms	296 KB	Output is partially correct
14	Partially correct	57 ms	300 KB	Output is partially correct
15	Partially correct	68 ms	300 KB	Output is partially correct
16	Partially correct	33 ms	336 KB	Output is partially correct
17	Partially correct	68 ms	336 KB	Output is partially correct
18	Partially correct	74 ms	260 KB	Output is partially correct
19	Partially correct	102 ms	300 KB	Output is partially correct
20	Partially correct	108 ms	304 KB	Output is partially correct
21	Partially correct	127 ms	300 KB	Output is partially correct
22	Partially correct	71 ms	308 KB	Output is partially correct
23	Partially correct	146 ms	288 KB	Output is partially correct
24	Partially correct	135 ms	304 KB	Output is partially correct
25	Partially correct	114 ms	308 KB	Output is partially correct
26	Correct	22 ms	304 KB	Output is correct
27	Partially correct	133 ms	328 KB	Output is partially correct
28	Partially correct	55 ms	300 KB	Output is partially correct
29	Partially correct	102 ms	304 KB	Output is partially correct
30	Partially correct	105 ms	300 KB	Output is partially correct
31	Partially correct	91 ms	304 KB	Output is partially correct
32	Partially correct	120 ms	312 KB	Output is partially correct
33	Partially correct	109 ms	304 KB	Output is partially correct
34	Partially correct	110 ms	300 KB	Output is partially correct
35	Partially correct	128 ms	304 KB	Output is partially correct
36	Partially correct	104 ms	296 KB	Output is partially correct
37	Partially correct	139 ms	304 KB	Output is partially correct
38	Partially correct	97 ms	304 KB	Output is partially correct
39	Partially correct	151 ms	304 KB	Output is partially correct
40	Partially correct	149 ms	208 KB	Output is partially correct
41	Partially correct	127 ms	292 KB	Output is partially correct
42	Partially correct	118 ms	292 KB	Output is partially correct
43	Partially correct	24 ms	208 KB	Output is partially correct
44	Partially correct	67 ms	336 KB	Output is partially correct
45	Correct	25 ms	208 KB	Output is correct
46	Partially correct	96 ms	284 KB	Output is partially correct
47	Partially correct	63 ms	296 KB	Output is partially correct
48	Partially correct	163 ms	300 KB	Output is partially correct

Submission #630906

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 15.0 / 15.0

Subtask #3 29.74 / 75.0

Subtask #1
10.0 / 10.0

Subtask #2
15.0 / 15.0

Subtask #3
29.74 / 75.0