View Compilation Error

0_0_2403643_32388.cpp: In function `int main()':
0_0_2403643_32388.cpp:19: error: `que' undeclared (first use this function)
0_0_2403643_32388.cpp:19: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2403643_32388.cpp: At global scope:
0_0_2403643_32388.cpp:38: error: expected unqualified-id before "return"
0_0_2403643_32388.cpp:38: error: expected `,' or `;' before "return"
0_0_2403643_32388.cpp:39: error: expected declaration before '}' token