0_0_34335375_18100.cpp:1:1: error: 'include' does not name a type
include<stdio.h>
^
0_0_34335375_18100.cpp: In function 'int main()':
0_0_34335375_18100.cpp:6:51: error: 'scanf' was not declared in this scope
while(~scanf("%lf %lf %lf %lf",&x1,&y1,&x2,&y2))
^
0_0_34335375_18100.cpp:9:27: error: 'printf' was not declared in this scope
printf("%.2lf\n",d);
^
0_0_34335375_18100.cpp:11:13: error: expected '}' at end of input
return 0;
^
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