View Compilation Error

0_0_12793676_21887.cpp:17: error: `ll' was not declared in this scope
0_0_12793676_21887.cpp:18: error: expected `,' or `;' before '{' token
0_0_12793676_21887.cpp: In function `int getp(int, int)':
0_0_12793676_21887.cpp:56: error: `ll' undeclared (first use this function)
0_0_12793676_21887.cpp:56: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12793676_21887.cpp:56: error: expected `;' before "cnt"
0_0_12793676_21887.cpp:61: error: `cnt' undeclared (first use this function)
0_0_12793676_21887.cpp:62: error: `sum' undeclared (first use this function)
0_0_12793676_21887.cpp:77: error: `isprime' cannot be used as a function
0_0_12793676_21887.cpp:82: error: `isprime' cannot be used as a function