Submission #429496

#	Time	Username	Problem	Language	Result	Execution time	Memory
429496		Trickster	Carnival (CEOI14_carnival)	C++14	20 / 100	150 ms	384 KiB

carnival

//Suleyman Atayew

#include <algorithm>
#include <iostream>
#include <string.h>
#include <stdio.h>
#include <vector>
#include <bitset>
#include <queue>
#include <cmath>
#include <map>
#include <set>
 
#define N 160
#define ff first
#define ss second
#define pb push_back
#define ll long long
#define mod 1000000007
#define pii pair <int, int>
#define sz(a) (int)(a.size())
ll bigmod(ll a, ll b) { if(b==0)return 1; ll ret = bigmod(a, b/2); return ret * ret % mod * (b%2 ? a : 1) % mod; }

using namespace std;

int n;
int v[N][N], P[N];

int ata(int x)
{
    if(x == P[x]) return x;
    return P[x] = ata(P[x]);
}

void uni(int a, int b)
{
    a = ata(a);
    b = ata(b);

    if(a == b) return;

    P[b] = a;
}

int main()
{
    cin >> n;

    for(int i = 1; i <= n; i++) P[i] = i;

    for(int i = 1; i <= n; i++)
        for(int h = 1; h <= n; h++) v[i][h] = 2;

    for(int i = 1; i <= n; i++) {
        for(int h = 1; h <= n; h++) {
            if(i == h || v[i][h] != 2) continue;

            int x;
            cout << "2 " << i << " " << h << "\n";
            cout.flush();
            cin >> x;

            if(x == 1) v[i][h] = v[h][i] = 1;
            else v[i][h] = v[h][i] = 0;
        }

        for(int h = 1; h <= n; h++) {
            if(v[i][h] != 1) continue;

            for(int j = 1; j <= n; j++) {
                if(v[i][j] == 0) v[h][j] = v[j][h] = 0;
                if(v[i][j] == 1) v[h][j] = v[j][h] = 1;
            }
        }
    }

    for(int i = 1; i <= n; i++)
        for(int h = 1; h <= n; h++) 
            if(i != h && v[i][h] == 1) uni(i, h);

    cout << "0 ";

    int sz = 0;
    map <int, int> M;
    for(int i = 1; i <= n; i++) {
        if(M[ata(i)] == 0) M[ata(i)] = ++sz;
        cout << M[ata(i)] << " ";
    }
    
    return 0;
}

• Subtask 1: 4 / 20
• Subtask 2: 4 / 20
• Subtask 3: 4 / 20
• Subtask 4: 4 / 20
• Subtask 5: 4 / 20