0_0_22272766_21255.cpp:6:20: error: 'MAXN' was not declared in this scope
struct Point point[MAXN],*px[MAXN],*py[MAXN];
^
0_0_22272766_21255.cpp:6:30: error: 'MAXN' was not declared in this scope
struct Point point[MAXN],*px[MAXN],*py[MAXN];
^
0_0_22272766_21255.cpp:6:40: error: 'MAXN' was not declared in this scope
struct Point point[MAXN],*px[MAXN],*py[MAXN];
^
0_0_22272766_21255.cpp: In function 'double get_dis(Point*, Point*)':
0_0_22272766_21255.cpp:9:72: error: 'sqrt' was not declared in this scope
return sqrt((p1->x-p2->x)*(p1->x-p2->x)+(p1->y-p2->y)*(p1->y-p2->y));
^
0_0_22272766_21255.cpp: In function 'double closest(int, int)':
0_0_22272766_21255.cpp:18:24: error: 'px' was not declared in this scope
return get_dis(px[s],px[e]);
^
0_0_22272766_21255.cpp:20:28: error: 'px' was not declared in this scope
return min(get_dis(px[s],px[s+1]),min(get_dis(px[s+1],px[e]),get_dis(px[s],px[e])));
^
0_0_22272766_21255.cpp:26:12: error: 'px' was not declared in this scope
if(px[i]->x>=px[mid]->x-ans&&px[i]->x<=px[mid]->x+ans)
^
0_0_22272766_21255.cpp:27:13: error: 'py' was not declared in this scope
py[cnt++]=px[i];
^
0_0_22272766_21255.cpp:29:10: error: 'py' was not declared in this scope
sort(py,py+cnt,cmpy);//°´y×ø±êÅÅÐò
^
0_0_22272766_21255.cpp:29:24: error: 'sort' was not declared in this scope
sort(py,py+cnt,cmpy);//°´y×ø±êÅÅÐò
^
0_0_22272766_21255.cpp: In function 'int main()':
0_0_22272766_21255.cpp:44:24: error: 'scanf' was not declared in this scope
while(scanf("%d",&n)!=EOF)
^
0_0_22272766_21255.cpp:44:27: error: 'EOF' was not declared in this scope
while(scanf("%d",&n)!=EOF)
^
0_0_22272766_21255.cpp:50:29: error: 'point' was not declared in this scope
scanf("%lf%lf",&point[i].x,&point[i].y);
^
0_0_22272766_21255.cpp:51:13: error: 'px' was not declared in this scope
px[i]=&point[i];
^
0_0_22272766_21255.cpp:53:14: error: 'px' was not declared in this scope
sort(px,px+n,cmpx);
^
0_0_22272766_21255.cpp:53:26: error: 'sort' was not declared in this scope
sort(px,px+n,cmpx);
^
0_0_22272766_21255.cpp:57:36: error: 'printf' was not declared in this scope
printf("%.2lf\n",distance/2);
^
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