Start: Jun, 28, 2019 08:42:00
2019杭州师范大学第一届程序设计竞赛新生赛
End: Jun, 28, 2019 11:42:00
Time elapsed:
Time remaining:

Problem_ID: D
Result: Accepted
Time: 78ms
Memory: 1712kB
In contest: 1276

#include<iostream>
#include<string>
#include<cstdio>
#include<algorithm>
#include<cstring>
#include<map>
#include<cmath>
using namespace std;
#define maxn 100010
#define ll long long
#define mm(a,b) memset(a,b,sizeof(a))
int n,q;
int gcd(int a,int b){
	return b==0?a:gcd(b,a%b);
}
int main()
{
	int x,y;
	scanf("%d%d",&n,&q);
	while(q--)
	{
		scanf("%d%d",&x,&y);
		if(gcd(x,y)==1) printf("1\n");
		else printf("2\n");
	}
}