View Compilation Error

0_0_8737258_2102.cpp: In function `int solveleft(int, int)':
0_0_8737258_2102.cpp:43: error: void value not ignored as it ought to be
0_0_8737258_2102.cpp: In function `int solveright(int, int)':
0_0_8737258_2102.cpp:56: error: void value not ignored as it ought to be
0_0_8737258_2102.cpp: In function `int main()':
0_0_8737258_2102.cpp:75: error: void value not ignored as it ought to be
0_0_8737258_2102.cpp:84: error: `rrm' undeclared (first use this function)
0_0_8737258_2102.cpp:84: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8737258_2102.cpp:87: error: `y' undeclared (first use this function)
0_0_8737258_2102.cpp:87: error: `z' undeclared (first use this function)