제출 #484848

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
484848		Ronin13	Gift (IZhO18_nicegift)	C++14	0 / 100	236 ms	14680 KiB

nicegift

#include<bits/stdc++.h>
#define ll long long
#define ull unsigned ll
#define pll pair<ll,ll>
#define pii pair<int,int>
#define pb push_back
#define f first
#define s second
using namespace std;

void solve(){
    ll n,k;cin>>n>>k;
    ll a;
    for(int i=1;i<=n;i++)cin>>a;
    ll y=__gcd(n,k);
    ll x=k/y;
    ll m=a/x;
    cout<<x<<"\n";
    for(int i=0;i<n;i+=y){
        cout<<m<<" ";
        for(int j=0;j<k;j++){
            cout<<(i+j)%n+1<<' ';
        }
        cout<<"\n";
    }
}

int main(){
    ios_base::sync_with_stdio(false);cin.tie(0);
    int test=1;//cin>>test;
    while(test--){
        solve();
        cout<<"\n";
    }
    return 0;
}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 11
• Subtask 3: 0 / 12
• Subtask 4: 0 / 19
• Subtask 5: 0 / 51