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Submission #631572

# Submission time Handle Problem Language Result Execution time Memory
631572 2022-08-18T08:50:50 Z berr Prosjecni (COCI16_prosjecni) C++17
120 / 120
 2 ms 724 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long

int32_t main()
{
    ios_base::sync_with_stdio(false); cin.tie(0);

    int n; cin>>n;
    if(n==2) cout<<-1<<endl;
    else if(n%2==1)
    {
        for(int i=0; i<n; i++)
        {
            for(int l=1; l<=n; l++)
            {
                cout<<i*n+l<<" ";
            }
            cout<<"\n";
        }
    }
    else
    {
        vector<int> a(n);
        a[0]=n;
        a[1]=n-3;
        a[2]=n+1;
        a[3]=n+2;
        int p=4;
        for(int i=4; i<n; i++)
        {
            a[i]=n+p;
            a[i+1]=n-p;
            p++;
            i++;
        }

        set<int> st;
        for(int i=0; i<n-1; i++)
        {
            for(int l=0; l<n; l++)
            {
                cout<<n*2+a[l]<<" ";
                a[l]=n*2+a[l];
                st.insert(a[l]);
            }
            cout<<"\n";
        }
        int add=n*2*(((n-2)*(n-1))/2);

        for(auto l: a)
        {
            cout<<l+add<<" ";
            st.insert(l+add);
        }

        if(st.size()!=n*n) cout<<"aa\n"<<st.size();
    }

}

Subtask #1
120.0 / 120.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 244 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 468 KB Output is correct
8 Correct 2 ms 724 KB Output is correct
9 Correct 2 ms 724 KB Output is correct
10 Correct 2 ms 724 KB Output is correct