Submission #2238938


Source Code Expand

#include <bits/stdc++.h>
#define rep(i,a,b) for(int i=a;i<(b);i++)
#define erep(i,a,b) for(int i=a;i<=(int)(b);i++)
#define per(i,a,b) for(int i=(b)-1;i>(a);i--)
#define eper(i,a,b) for(int i=((int)(a));i>=b;i--)
#define pb push_back
#define mp make_pair
#define INF (1<<30)-1
#define MOD 1000000007
using namespace std;
typedef long long ll;
int dy[]={0, 0, 1, -1};
int dx[]={1, -1, 0, 0};
int gcd(int a,int b){return b?gcd(b,a%b):a;}
int lcm(int a,int b){return a/gcd(a, b)*b;}

ll a[3];
ll ans = 0;
int main() {
 ios::sync_with_stdio ( false );
 cin.tie ( 0 );
    cin >> a[0] >> a[1] >> a[2];
    while (1) {
        if (a[0] == a[1] && a[1] == a[2] && a[0] % 2 == 0) {
            cout << -1 << endl;
            return 0;
        }
        if (a[0]%2 || a[1]%2 || a[2]%2) break;
        ll pa = a[0], pb = a[1], pc = a[2];
        a[0] = (pb+pc)/2;
        a[1] = (pa+pc)/2;
        a[2] = (pa+pb)/2;
        ans++;
    }   
    printf("%lld\n", ans);
    return 0;
}

Submission Info

Submission Time
Task A - Cookie Exchanges
User kage
Language C++14 (GCC 5.4.1)
Score 300
Code Size 974 Byte
Status AC
Exec Time 1 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 17
Set Name Test Cases
Sample sample1.txt, sample2.txt, sample3.txt
All sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in2.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt
Case Name Status Exec Time Memory
in1.txt AC 1 ms 256 KB
in10.txt AC 1 ms 256 KB
in11.txt AC 1 ms 256 KB
in2.txt AC 1 ms 256 KB
in3.txt AC 1 ms 256 KB
in4.txt AC 1 ms 256 KB
in5.txt AC 1 ms 256 KB
in6.txt AC 1 ms 256 KB
in7.txt AC 1 ms 256 KB
in8.txt AC 1 ms 256 KB
in9.txt AC 1 ms 256 KB
sample1.txt AC 1 ms 256 KB
sample2.txt AC 1 ms 256 KB
sample3.txt AC 1 ms 256 KB