Submission #1041493

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Source Code Expand

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

#define int long long
typedef vector<int>vint;
typedef pair<int,int>pint;
typedef vector<pint>vpint;
#define rep(i,n) for(int i=0;i<(n);i++)
#define reps(i,f,n) for(int i=(f);i<(n);i++)
#define all(v) (v).begin(),(v).end()
#define each(it,v) for(__typeof((v).begin()) it=(v).begin();it!=(v).end();it++)
#define pb push_back
#define fi first
#define se second
template<typename A,typename B>inline void chmin(A &a,B b){if(a>b)a=b;}
template<typename A,typename B>inline void chmax(A &a,B b){if(a<b)a=b;}

signed main(){
    int a,b;
    cin>>a>>b;

    int ans=LLONG_MAX;

    for(int i=-1;i<=1;i+=2){
        for(int j=-1;j<=1;j+=2){
            int aa=a*i;
            int bb=b*j;
            if(aa>bb)continue;
            chmin(ans,bb-aa+(i==-1)+(j==-1));
        }
    }
    cout<<ans<<endl;
    return 0;
}

Submission Info

Judge Result