View Compilation Error

0_0_24598724_26451.cpp:6:7: error: expected nested-name-specifier before 'namespche'
 using namespche std;
       ^
0_0_24598724_26451.cpp: In function 'void get_fail()':
0_0_24598724_26451.cpp:27:5: error: 'queue' was not declared in this scope
     queue<int> q;
     ^
0_0_24598724_26451.cpp:27:5: note: suggested alternative:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/queue:64:0,
                 from 0_0_24598724_26451.cpp:5:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_queue.h:96:11: note:   'std::queue'
     class queue
           ^
0_0_24598724_26451.cpp:27:11: error: expected primary-expression before 'int'
     queue<int> q;
           ^
0_0_24598724_26451.cpp:32:9: error: 'q' was not declared in this scope
         q.push(ch[0][i]); 
         ^
0_0_24598724_26451.cpp:34:12: error: 'q' was not declared in this scope
     while(!q.empty())
            ^