제출 #1314624

#제출 시각아이디문제언어결과실행 시간메모리
1314624arman.khachatryanGift (IZhO18_nicegift)C++20
0 / 100
80 ms9124 KiB
#include <bits/stdc++.h> using namespace std; const int N=2e6+10; int a[N]; int main() { int n, k; cin>>n>>k; for(int i=0; i<n; i++){ cin>>a[i]; } int g; for(int i=1; i<=k; i++){ if(n%i==0 && k%i==0){ g=i; } } if((n*a[0])%k!=0){ cout<<-1; return 0; } cout<<n/g<<'\n'; for(int i=0; i<n/g; i++){ cout<<a[0]*g/k<<" "; for(int j=0; j<k; j++){ cout<<(i*g+j+1)%n<<" "; } cout<<'\n'; } }
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