View Compilation Error

0_0_8712780_22755.cpp: In function `int main()':
0_0_8712780_22755.cpp:45: error: expected primary-expression before '<' token
0_0_8712780_22755.cpp:45: error: expected `)' before '{' token
0_0_8712780_22755.cpp:56: error: `p12' undeclared (first use this function)
0_0_8712780_22755.cpp:56: error: (Each undeclared identifier is reported only once for each function it appears in.)