Submission #690904

#TimeUsernameProblemLanguageResultExecution timeMemory
690904MateiKing80Subway (info1cup19_subway)C++14
17.27 / 100
1071 ms132208 KiB
#include <bits/stdc++.h>

using namespace std;

int main()
{
    int k;
    cin>>k;
    cout<<k+1<<"\n";
    cout<<"0 -1\n";
    for(int i=1;i<=k;i++)
        cout<<i<<" 0\n";
}
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