0_0_17930624_25893.cpp: In function 'int main()':
0_0_17930624_25893.cpp:5:1: error: 'doudle' was not declared in this scope
doudle x1,x2,y1,y2,d;
^
0_0_17930624_25893.cpp:6:28: error: 'x1' was not declared in this scope
while(scanf("lf,lf,lf,lf",&x1&x2&y1&y2)!=EOF)
^
0_0_17930624_25893.cpp:6:31: error: 'x2' was not declared in this scope
while(scanf("lf,lf,lf,lf",&x1&x2&y1&y2)!=EOF)
^
0_0_17930624_25893.cpp:6:34: error: 'y1' was not declared in this scope
while(scanf("lf,lf,lf,lf",&x1&x2&y1&y2)!=EOF)
^
0_0_17930624_25893.cpp:6:37: error: 'y2' was not declared in this scope
while(scanf("lf,lf,lf,lf",&x1&x2&y1&y2)!=EOF)
^
0_0_17930624_25893.cpp:7:1: error: 'd' was not declared in this scope
d=sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
^
0_0_17930624_25893.cpp:8:17: error: 'd' was not declared in this scope
printf(",2lf\n",d);
^
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