Submission #1553370


Source Code Expand

#include <bits/stdc++.h>
using namespace std;
 
typedef long long LL;
typedef pair<int, int> pii;
 
#define fst first
#define snd second
#define pb push_back
#define eb emplace_back
#define REP(i, a, b)  for(int i = (a), i##end = (b); i < i##end; ++i)
#define DREP(i, a, b) for(int i=(a-1), i##end = (b); i >=i##end; --i)
 
template <typename T> bool chkmax(T& a, T b) { return a < b ? a = b, 1 : 0; }
template <typename T> bool chkmin(T& a, T b) { return a > b ? a = b, 1 : 0; }
 
const int oo = 0x3f3f3f3f;
const int maxn = 100000 + 5;
 
template<typename T> T read() {
    T n(0), f(1);
    char ch = getchar();
    for( ;!isdigit(ch); ch = getchar()) if(ch == '-') f = -1;
    for( ; isdigit(ch); ch = getchar()) n = n * 10 + ch - 48; 
    return n * f;
}

LL a, b, c;
int main() {

        a = read<LL>();
        b = read<LL>();
        c = read<LL>();

        if(a == b && b == c) { puts((a&1) ? "0" : "-1"); return 0; }

        int res = 0;
        while(1) {
            if(a & 1 || b & 1 || c & 1) break;
            ++ res;
            LL ta = (b + c) / 2;
            LL tb = (a + c) / 2;
            LL tc = (a + b) / 2;

            a = ta, b = tb, c = tc;
        }
        printf("%d\n", res);
   
    return 0;
}

Submission Info

Submission Time
Task A - Cookie Exchanges
User Wearry
Language C++14 (GCC 5.4.1)
Score 300
Code Size 1282 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