Submission #2165596

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Source Code Expand

 
#include <bits/stdc++.h>
using namespace std;
using ll=long long;
using vi=vector<int>;
using vvi=vector<vi>;
using vs=vector<string>;
using msi=map<string,int>;
using mii=map<int,int>;
using psi=pair<string,int>;
using pii=pair<int,int>;
using vlai=valarray<int>;
#define rep(i,n) for(int i=0;i<n;i++)
#define range(i,s,n) for(int i=s;i<n;i++)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define fs first
#define sc second
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define INF 1e9
#define EPS 1e-9
#define MOD ((ll)1e9+7)
void get(){}template<class H,class...T>void get(H&h,T&...t){cin>>h;get(t...);}
template<class T>void geti(T&a){for(auto&_:a)cin>>_;}
template<class T>void getii(T&a){for(auto&_:a)geti(_);}
void put(string d){}template<class H,class...T>void put(string d,H&h,T&...t){cout<<h;if(sizeof...(t))cout<<d;put(d,t...);}
template<class T>void puti(T&a,string d=" "){bool f=1;for(auto&_:a)cout<<(exchange(f,0)?"":d)<<_;cout<<endl;}
template<class T>void putii(T&a,string d=" "){for(auto&_:a)puti(_,d);}
#define dcl(...) ll __VA_ARGS__;get(__VA_ARGS__)
#define dclt(t,...) t __VA_ARGS__;get(__VA_ARGS__)
template<class F,class S>void add(map<F,S>&mp,F f,S s){if(mp.find(f)==mp.end())mp[f]=F();mp[f]+=s;}
 
constexpr int gcd(int a,int b){return b?gcd(b,a%b):a;}
constexpr int lcm(int a,int b){return a*b/gcd(a,b);}
 
vs sepstr(string s,string r){vs res;regex R("[^|]+");for(auto _:r)s=regex_replace(s,regex("[\\"+string{_}+"]"),"|"+string{_}+"|");for(sregex_iterator itr(all(s),R),end;itr!=end;++itr)res.pb(itr->str());return res;}

template<class T>string bitstr(T x){return typeid(T)==typeid(int)?bitset<32>(x).to_string('_','#'):bitset<64>(x).to_string();}
template<class T>int bitcnt(T x){return typeid(T)==typeid(int)?__builtin_popcount(x):__builtin_popcountll(x);}
template<class T>int bitdig(T x){return x?typeid(T)==typeid(int)?32-__builtin_clz(x):64-__builtin_clzll(x):0;}
template<class T>int bitpow(T x){return x?typeid(T)==typeid(int)?__builtin_ctz(x):__builtin_ctzll(x):0;}

int main(){
    dclt(int,a,b,c);
    if(a%2 || b%2 || c%2){
        cout<<0<<endl;
    }else if(a==b && b==c){
        cout<<-1<<endl;
    }else{
        cout<<bitpow(gcd(gcd(abs(a-b),abs(b-c)),abs(c-a)))<<endl;
    }

}

Submission Info

Judge Result