View Compilation Error

0_0_22049094_29901.cpp: In function 'int cal(int, int)':
0_0_22049094_29901.cpp:54:21: error: 'k' was not declared in this scope
             if(cnt==k) ret++;
                     ^
0_0_22049094_29901.cpp:57:13: error: 'k' was not declared in this scope
     if(cnt==k) ret++;
             ^