Submission #706288

#	Time	Username	Problem	Language	Result	Execution time	Memory
706288		danikoynov	Rarest Insects (IOI22_insects)	C++17	0 / 100	163 ms	292 KiB

insects

#include "insects.h"
#include<bits/stdc++.h>

using namespace std;
const int maxn = 2010;

int par[maxn], rnk[maxn];
int find_leader(int v)
{
    return (v == par[v]) ? v : (par[v] = find_leader(par[v]));
}

void unite(int v, int u)
{
    v = find_leader(v);
    u = find_leader(u);
    if (v == u)
        return;

    if (rand() % 2)
        swap(v, u);
    par[u] = v;
    rnk[v] += rnk[u];
}

int min_cardinality(int N)
{
    move_inside(0);
    for (int i = 0; i < N; i ++)
    {
        par[i] = i;
        rnk[i] = 1;
    }
    for (int i = 1; i < N; i ++)
    {
        move_inside(i);
        int act = press_button();
        if (act == 1)
            continue;
            int j = 0;
        while(act == 2)
        {
            move_outside(j);
            j ++;
            act = press_button();
        }
        j --;
        unite(i, j);
        while(j >= 0)
        {
            move_inside(j);
            j --;
        }
        move_outside(i);
    }

    int ans = N;
    for (int i = 0; i < N; i ++)
        ans = min(ans, rnk[find_leader(i)]);
    return ans;
}

Compilation message (stderr)

insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:38:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   38 |         if (act == 1)
      |         ^~
insects.cpp:40:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   40 |             int j = 0;
      |             ^~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 15
• Subtask 3: 0 / 75