View Compilation Error

0_0_9142655_3557.cpp: In function `int main()':
0_0_9142655_3557.cpp:101: error: `N' undeclared (first use this function)
0_0_9142655_3557.cpp:101: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_9142655_3557.cpp:110: error: void value not ignored as it ought to be
0_0_9142655_3557.cpp:125: error: `Edmonds' undeclared (first use this function)