Submission #142672

#	Time	Username	Problem	Language	Result	Execution time	Memory
142672		Bodo171	Strange Device (APIO19_strange_device)	C++14	10 / 100	5050 ms	524292 KiB

strange_device

#include <iostream>
#include <set>
using namespace std;
set <pair<long long,long long> > s;
long long n,i,j,l,r,A,B;
long long gcd(long long x,long long y)
{
    if((!x)||(!y)) return (x+y);
    return gcd(y,x%y);
}
int main()
{
    cin>>n>>A>>B;
    long long t=gcd(A,B+1);
    for(i=1;i<=n;i++)
    {
        cin>>l>>r;
        for(j=l;j<=r;j++)
          s.insert({(j/B)%(A/t),j%B});
    }
    cout<<s.size();
    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 5
• Subtask 3: 0 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20
• Subtask 8: 0 / 30