View Compilation Error

0_0_10050563_19738.cpp: In function `int main()':
0_0_10050563_19738.cpp:73: error: `maxn' undeclared (first use this function)
0_0_10050563_19738.cpp:73: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10050563_19738.cpp:74: error: `que' undeclared (first use this function)