Submission #742661

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
742661	2023-05-16 16:28:57	doowey	Rarest Insects (IOI22_insects)	C++17	100 / 100	71 ms	560 KiB

insects

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h>
#include "insects.h"
using namespace std;
typedef pair<int, int> pii;
#define fi first
#define se second
#define mp make_pair
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int gen(int m){
    return ((int)rng() % m + m) % m;
}
int min_cardinality(int n) {
    int val;
    set<int> in;
    set<int> st;
    vector<int> cand;
    for(int i = 0 ; i < n; i ++ ){
        move_inside(i);
        val = press_button();
        cand.push_back(i);
        if(val > 1){
            move_outside(i);
        }
        else{
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:58:30: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   58 |                 if(in.size() == mid * dist) break;
      |                    ~~~~~~~~~~^~~~~~~~~~~~~
insects.cpp:61:22: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   61 |         if(in.size() == mid * dist){
      |            ~~~~~~~~~~^~~~~~~~~~~~~
insects.cpp:74:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |             for(int i = 1; i < cand.size(); i ++ ){
      |                            ~~^~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 75 / 75