Submission #362548

#	Time	Username	Problem	Language	Result	Execution time	Memory
362548		Tenis0206	Subway (info1cup19_subway)	C++11	0 / 100	1 ms	364 KiB

subway

#include <iostream>
#include <vector>

using namespace std;
int k;
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin>>k;
    int nod = 1;
    int per = 0;
    vector<pair<int,int>> rez;
    rez.push_back({1,0});
    while(per<k)
    {
        if(per+nod<=k)
        {
            per+=nod;
            rez.push_back({nod+1,nod});
            ++nod;
            continue;
        }
        rez.push_back({nod+1,k-per});
        break;
    }
    cout<<nod+1<<'\n';
    for(auto it : rez)
    {
        cout<<it.first-1<<' '<<it.second-1<<'\n';
    }
    return 0;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50