Submission #88636

#	Time	Username	Problem	Language	Result	Execution time	Memory
88636		asifthegreat	Geppetto (COCI15_geppetto)	C++14	0 / 80	2 ms	660 KiB

geppetto

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

int ans;
int n,m;

vector<int>subset;
bitset<2000000>vis;
int parent[2000000];
map<pair<int,int>,int>mp;

void go(int i)
{
    if(i == n+1){
        int size = subset.size();
        for(int i = 0; i < size;i++){
            for(int j = 0; j < size;j++){
                if(i == j)continue;
                if(mp[{subset[i],subset[j]}]){
                    ans--;return;
                }
            }
        }
        return;
    }
    if(i > 10000){
        cout << "sed  lyf\n";exit(0);
    }
    go(i+1);
    subset.push_back(i);
    go(i+1);
    subset.pop_back();
}

int main()
{   
    scanf("%d%d",&n,&m);
    for(int i = 0; i <= n;i++)parent[i] = i;
    int a,b;
    ans = 1<<(n-1);
    //set<pair<int,int>>st;
    for(int i = 1; i <= m;i++){
        scanf("%d%d",&a,&b);
        mp[{a,b}]++;
    }
    cout << ans << endl;
    return 0;
}

Compilation message (stderr)

geppetto.cpp: In function 'int main()':
geppetto.cpp:37:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~
geppetto.cpp:43:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&a,&b);
         ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 0 / 80