Submission #209121

#	Time	Username	Problem	Language	Result	Execution time	Memory
209121		MertD014	Prosjecni (COCI16_prosjecni)	C++17	120 / 120	6 ms	380 KiB

prosjecni

#include <bits/stdc++.h>
using namespace std;


int dp(int w){
	if(w==1) return 1;
	return w+dp(w-1);
}


int n;
int main(){
  //huh
	cin>>n;
	if(n==2) cout<<"-1";
	else if(n%2){
		for(int i=0;i<n;i++){
			for(int j=0;j<n;j++)
				cout<<i*n+j+1<<" ";
			cout<<endl;
		}
	}
	else{
		int g=dp(n-1);
		int sum=0;
		int d[n],d2[n];
		for(int i=0;i<n-1;i++){d[i]=i+1;}
		d[n-1]=g;
		for(int i=0;i<n-1;i++){d2[i]=1+g*i;sum+=d2[i];}
		int bottomleft=d2[n-2]*n-sum;
		int diff=g-n+1;
		for(int i=0;i<n-1;i++){
			for(int j=0;j<n;j++){
				cout<<d[j]<<" ";
				d[j]+=g;
			}
			cout<<endl;
		}
		for(int i=0;i<n-1;i++){
			cout<<bottomleft+i<<" ";
		}
		cout<<bottomleft+n-2+diff;
	}
	return 0;
}

• Subtask 1: 120 / 120