Submission #1262817

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;

#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define pf push_front
#define iter(v, i) for (__typeof__((v).begin()) i = (v).begin(); i != (v).end(); i++)
#define fast_io_without_cstdio ios_base::sync_with_stdio(false), cin.tie(NULL)
#define all(v) (v).begin(), (v).end()

#ifdef __linux__
#define gc getchar_unlocked
#define pc putchar_unlocked
#else
#define gc getchar
#define pc putchar
#endif

#if __cplusplus <= 199711L
template<class BidirIt>
BidirIt prev(BidirIt it, typename iterator_traits<BidirIt>::difference_type n = 1) {
    advance(it, -n);
    return it;
}

template<class ForwardIt>
ForwardIt next(ForwardIt it, typename iterator_traits<ForwardIt>::difference_type n = 1) {
    advance(it, n);
    return it;
}
#endif

typedef long long ll;
typedef pair<int, int> ii;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef long double ldouble;

const double EPS = 1e-9;
const double PI = 3.141592653589793238462;

template<typename T>
inline T sq(T a) { return a * a; }

//#ifdef LOCAL_MACHINE
//#endif

int main() {
    //freopen("", "rt", stdin);
    //freopen("", "wt", stdout);
    int a, b, c;
    scanf("%d %d %d", &a, &b, &c);
    if (a % 2 || b % 2 || c % 2)
        puts("0");
    else if (a == b && b == c)
        puts("-1");
    else {
        int ans = 0;
        while (!(a % 2 || b % 2 || c % 2)) {
            int temp_a = a, temp_b = b;
            a = (b + c) / 2;
            b = (temp_a + c) / 2;
            c = (temp_a + temp_b) / 2;
            ans++;
        }
        printf("%d\n", ans);
    }
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:55:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d", &a, &b, &c);
                                  ^

Judge Result