Marking

题目描述

输入输出

#include<iostream>
#include<algorithm>
using namespace std;
typedef long long ll;
ll gcd(ll a,ll b)
{
	return b==0?a:gcd(b,a%b);
}
int main()
{
	ll t;
	cin>>t;
	ll n,d,k;
	while(t--)
	{
		cin>>n>>d>>k;
		k--;
		if(gcd(n,d)==1)
			cout<<k*d%n<<endl;
		else
		{
			ll t=n/gcd(n,d);
			cout<<k/t+k%t*d%n<<endl;
		}	
	}
	return 0;
}