View Compilation Error

0_0_8175086_16641.cpp: In function `void rho(long long int)':
0_0_8175086_16641.cpp:57: error: `M' undeclared (first use this function)
0_0_8175086_16641.cpp:57: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8175086_16641.cpp:63: error: `T' undeclared (first use this function)
0_0_8175086_16641.cpp: In function `void prime_factor(long long int)':
0_0_8175086_16641.cpp:69: error: `M' undeclared (first use this function)
0_0_8175086_16641.cpp:69: error: `num' undeclared (first use this function)
0_0_8175086_16641.cpp:77: error: `s' undeclared (first use this function)
0_0_8175086_16641.cpp: In function `int main()':
0_0_8175086_16641.cpp:86: error: `num' undeclared (first use this function)
0_0_8175086_16641.cpp:86: error: `s' undeclared (first use this function)