View Compilation Error

0_0_24252596_17431.cpp: In function 'int main()':
0_0_24252596_17431.cpp:57:20: error: 'que' was not declared in this scope
             while(!que[i].empty())
                    ^
0_0_24252596_17431.cpp:69:17: error: 'que' was not declared in this scope
                 que[a].push(p);
                 ^
0_0_24252596_17431.cpp:74:20: error: 'que' was not declared in this scope
                 if(que[a].empty())
                    ^