Submission #1991702

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define rep(i,n)   FOR(i,0,n)
#define pb emplace_back
#define mp make_pair
typedef long long ll;
typedef pair<int,int> pint;

int main(){
    ll a,b,c;
    cin>>a>>b>>c;
    int cnt=0;
    while(1){
        if(a%2==1||b%2==1||c%2==1){
            cout<<cnt<<endl;
            break;
        }
        if(a==b&&b==c){
            cout<<-1<<endl;
            break;
        }
        ll ta=b/2+c/2,tb=a/2+c/2,tc=a/2+b/2;
        a=tc,b=tb,c=tc;
        ++cnt;
    }
    return 0;
}

Submission Info

Judge Result