View Compilation Error

0_0_11738416_648.cpp: In function `int main()':
0_0_11738416_648.cpp:6: error: expected unqualified-id before "double"
0_0_11738416_648.cpp:6: error: expected `,' or `;' before "double"
0_0_11738416_648.cpp:21: error: `s' undeclared (first use this function)
0_0_11738416_648.cpp:21: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11738416_648.cpp:26: error: `p' undeclared (first use this function)