Submission #1060724

# Submission time Handle Problem Language Result Execution time Memory
1060724 2024-08-15T21:19:27 Z AdamGS Rarest Insects (IOI22_insects) C++17
99.16 / 100
51 ms 1220 KB
#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;
int n;
int solve(int l, int r, vector<int>czy) {
	if(l==r) return l;
	int mid=(l+r+1)/2;
	vector<int>P;
	rep(i, n) if(czy[i]) {
		move_inside(i);
		if(press_button()==mid+1) move_outside(i);
		else P.pb(i);
	}
	bool ok=true;
	vector<int>A, B;
	rep(j, V.size()) if(!usun[j]) {
		int i=V[j];
		move_inside(i);
		if(press_button()<=mid) {
			ok=false;
			A.pb(j);
		} else B.pb(j);
		move_outside(i);
	}
	if(ok) {
		for(auto i : P) czy[i]=0;
		return solve(mid, r, czy);
	}
	for(auto i : B) usun[i]=1;
	rep(i, n) czy[i]=0;
	for(auto i : P) czy[i]=1;
	for(auto i : P) move_outside(i);
	return solve(l, mid-1, czy);
}
int min_cardinality(int _n) {
	n=_n;
	rep(i, n) {
		move_inside(i);
		if(press_button()==1) V.pb(i);
		else move_outside(i);
	}
	for(auto i : V) move_outside(i);
	vector<int>czy(n, 1);
	for(auto i : V) czy[i]=0;
	rep(i, V.size()) usun.pb(0);
	return solve(0, (n-V.size())/V.size(), czy)+1;
}

Compilation message

insects.cpp: In function 'int solve(int, int, std::vector<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:22:2: note: in expansion of macro 'rep'
   22 |  rep(j, V.size()) if(!usun[j]) {
      |  ^~~
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:51:2: note: in expansion of macro 'rep'
   51 |  rep(i, V.size()) usun.pb(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 1 ms 340 KB Output is correct
6 Correct 3 ms 344 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 3 ms 600 KB Output is correct
9 Correct 3 ms 412 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 440 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 2 ms 600 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 3 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 600 KB Output is correct
19 Correct 3 ms 436 KB Output is correct
20 Correct 3 ms 440 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 436 KB Output is correct
# 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 1 ms 340 KB Output is correct
6 Correct 3 ms 344 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 3 ms 600 KB Output is correct
9 Correct 3 ms 412 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 440 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 2 ms 600 KB Output is correct
14 Correct 3 ms 344 KB Output is correct
15 Correct 3 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 600 KB Output is correct
19 Correct 3 ms 436 KB Output is correct
20 Correct 3 ms 440 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 1 ms 436 KB Output is correct
23 Correct 10 ms 344 KB Output is correct
24 Correct 4 ms 344 KB Output is correct
25 Correct 13 ms 344 KB Output is correct
26 Correct 12 ms 456 KB Output is correct
27 Correct 17 ms 444 KB Output is correct
28 Correct 4 ms 344 KB Output is correct
29 Correct 13 ms 704 KB Output is correct
30 Correct 13 ms 428 KB Output is correct
31 Correct 9 ms 436 KB Output is correct
32 Correct 15 ms 600 KB Output is correct
33 Correct 14 ms 600 KB Output is correct
34 Correct 12 ms 692 KB Output is correct
35 Correct 13 ms 344 KB Output is correct
36 Correct 13 ms 436 KB Output is correct
37 Correct 13 ms 600 KB Output is correct
38 Correct 7 ms 344 KB Output is correct
39 Correct 17 ms 936 KB Output is correct
40 Correct 14 ms 596 KB Output is correct
41 Correct 4 ms 344 KB Output is correct
# 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 31 ms 708 KB Output is correct
8 Correct 9 ms 440 KB Output is correct
9 Partially correct 28 ms 344 KB Output is partially correct
10 Correct 29 ms 344 KB Output is correct
11 Correct 32 ms 600 KB Output is correct
12 Correct 15 ms 344 KB Output is correct
13 Correct 32 ms 436 KB Output is correct
14 Correct 25 ms 612 KB Output is correct
15 Correct 22 ms 448 KB Output is correct
16 Partially correct 42 ms 340 KB Output is partially correct
17 Correct 26 ms 680 KB Output is correct
18 Correct 25 ms 1220 KB Output is correct
19 Partially correct 40 ms 460 KB Output is partially correct
20 Correct 36 ms 440 KB Output is correct
21 Correct 32 ms 600 KB Output is correct
22 Correct 34 ms 432 KB Output is correct
23 Correct 24 ms 600 KB Output is correct
24 Correct 23 ms 440 KB Output is correct
25 Correct 24 ms 592 KB Output is correct
26 Correct 9 ms 344 KB Output is correct
27 Partially correct 36 ms 428 KB Output is partially correct
28 Partially correct 25 ms 592 KB Output is partially correct
29 Partially correct 32 ms 684 KB Output is partially correct
30 Partially correct 28 ms 592 KB Output is partially correct
31 Correct 31 ms 664 KB Output is correct
32 Correct 26 ms 956 KB Output is correct
33 Correct 34 ms 428 KB Output is correct
34 Correct 30 ms 424 KB Output is correct
35 Partially correct 32 ms 468 KB Output is partially correct
36 Partially correct 51 ms 960 KB Output is partially correct
37 Correct 20 ms 620 KB Output is correct
38 Correct 34 ms 456 KB Output is correct
39 Correct 42 ms 592 KB Output is correct
40 Correct 24 ms 448 KB Output is correct
41 Partially correct 40 ms 940 KB Output is partially correct
42 Partially correct 27 ms 456 KB Output is partially correct
43 Correct 7 ms 600 KB Output is correct
44 Correct 29 ms 344 KB Output is correct
45 Correct 39 ms 708 KB Output is correct
46 Correct 32 ms 588 KB Output is correct
47 Correct 22 ms 600 KB Output is correct
48 Correct 16 ms 588 KB Output is correct