全盘WA,跪求大佬指点!
OrzOrzOrz
#include<bits/stdc++.h>
using namespace std;
int t,mod;
int x,y,yx,yy;
int main(){
cin>>t>>mod;
for(int i=0;i<t;i++){
cin>>x>>y;
yx=x;
yy=y;
for(int j=0;j<=1000;j++){
if(j%2==0) x=(x+y)%mod;
else y=(x+y)%mod;
if(x==yx&&y==yy){cout<<"error"<<endl;break;}
if(x==0){cout<<1<<endl;break;}
if(y==0){cout<<2<<endl;break;}
}
}
return 0;
}