제출 #1314593

#제출 시각아이디문제언어결과실행 시간메모리
1314593arman.khachatryanGift (IZhO18_nicegift)C++20
0 / 100
87 ms13172 KiB
#include <bits/stdc++.h> using namespace std; const int N=2e6+10; int a[N]; int main() { int n, k; cin>>n>>k; int s=0; 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<<n/k-1+a[0]*(k+n%k)/k<<'\n'; for(int j=1; j<=n/k-1; j++){ cout<<a[0]<<" "; for(int i=j*k-k+1; i<=j*k; i++){ cout<<i<<" "; } cout<<'\n'; } queue<int> q; for(int i=(n/k-1)*k+1; i<=n-n%k; i++){ q.push(i); } for(int j=0; j<a[0]*(k+n%k)/k; j++){ cout<<1<<" "; queue<int> dq=q; while(!dq.empty()){ cout<<dq.front()<<" "; dq.pop(); } cout<<'\n'; int f=g; while(f--){ int t=q.front(); q.pop(); if(t+k<=n){ q.push(t+k); }else{ q.push(t-n%k); } } } }else{ cout<<-1; } }
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