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  ManhYeuLinh  commented on July 6, 2025, 1:38 p.m.

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  include <bits/stdc++.h>

  using namespace std; int check(int n){ if(n<0) return -1; return n!=0; } int main(){ iosbase::syncwith_stdio(0); cin.tie(0); cout.tie(0); int a,b; cin >> a >> b; cout << check(a*b); }

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  _no_love_no_gain_  commented on April 3, 2025, 11:24 a.m.

  if ((a > 0 && b > 0) || (a < 0 && b < 0)) cout << 1;