模拟即可
#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<algorithm>
using namespace std;
int Dist2(int x,int y){
return x*x+y*y;
}
int test,n;
int main(){
freopen("4063.in","r",stdin);
freopen("4063.out","w",stdout);
scanf("%d",&test);
while(test--){
long long ans=0;
scanf("%d",&n);
for(int i=1;i<=n;i++){
int x,y;
scanf("%d %d",&x,&y);
int t=Dist2(x,y);
if(t<=20*20){ans+=10;}
else if(t<=40*40){ans+=9;}
else if(t<=60*60){ans+=8;}
else if(t<=80*80){ans+=7;}
else if(t<=100*100){ans+=6;}
else if(t<=120*120){ans+=5;}
else if(t<=140*140){ans+=4;}
else if(t<=160*160){ans+=3;}
else if(t<=180*180){ans+=2;}
else if(t<=200*200){ans+=1;}
}
printf("%lld\n",ans);
}
return 0;
}
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