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Cod sursa(job #222877)
#include<fstream.h>
int n,v[260],i,j,k;
int main()
{
ifstream fin("lacate.in");
ofstream fout("lacate.out");
fin>>n;
fout<<n*(n-1)/2<<' '<<n-1;
fout<<'\n'; k=n;
for(i=1;i<=n-1;i++){
v[i]=i;
fout<<i<<' ';}
fout<<'\n';
for(i=0;i<=n-2;i++){
for(j=1;j<=i;j++){
v[j]++;
fout<<v[j]<<' ';}
fout<<v[i+1]<<' ';
for(j=i+2;j<n;j++){
v[j]=k;
k++;
fout<<v[j]<<' ';
}
fout<<'\n';
}
fin.close();
fout.close();
return 0;
}