View Compilation Error

35543_0_2075.cpp:6: error: expected unqualified-id before '!' token
35543_0_2075.cpp:6: error: expected `,' or `;' before '!' token
35543_0_2075.cpp: In function `int main()':
35543_0_2075.cpp:9: error: `p' undeclared (first use this function)
35543_0_2075.cpp:9: error: (Each undeclared identifier is reported only once for each function it appears in.)
35543_0_2075.cpp:9: error: `q' undeclared (first use this function)
35543_0_2075.cpp:12: error: expected primary-expression before '=' token
35543_0_2075.cpp:13: error: expected primary-expression before ')' token
35543_0_2075.cpp:14: error: `ans' undeclared (first use this function)
35543_0_2075.cpp:16: error: expected primary-expression before '/' token
35543_0_2075.cpp:16: error: expected primary-expression before '/' token