제출 #1264767

#제출 시각아이디문제언어결과실행 시간메모리
1264767Nika533Portal (BOI24_portal)C++20
10 / 100
45 ms1864 KiB
#include <bits/stdc++.h> #define int long long #define pb push_back using namespace std; const int N=1e5+5; int n,x[N],y[N]; main() { cin>>n; for (int i=1; i<=n; i++) cin>>x[i]>>y[i]; sort(x+1,x+1+n); sort(y+1,y+1+n); int X=0,Y=0; for (int i=2; i<=n; i++) { X=__gcd(X,(x[i]-x[i-1])); Y=__gcd(Y,(y[i]-y[i-1])); } if (X*Y==0) cout<<-1<<endl; else cout<<X*Y<<endl; }

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp:9:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    9 | main() {
      | ^~~~
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