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Cod sursa(job #712399)
#include <fstream>
#include <vector>
using namespace std;
int n,nrp;
vector<int> v[300];
int main()
{
ifstream f("lacate.in");
ofstream g("lacate.out");
f>>n;
for(int i=1; i<n; ++i) for(int j=i+1; j<=n; ++j) {
++nrp;
v[i].push_back(nrp);
v[j].push_back(nrp);
}
g<<nrp<<' '<<n-1<<'\n';
for(int i=1; i<=n; ++i) {
for(int j=0; j<v[i].size(); ++j) g<<v[i][j]<<' ';
g<<'\n';
}
return 0;
}