View Compilation Error

0_0_33743093_28363.cpp: In function 'int main()':
0_0_33743093_28363.cpp:27:21: error: 'k' was not declared in this scope
                 for(k = 0; k<=2; k++)
                     ^
0_0_33743093_28363.cpp:39:17: error: 'k' was not declared in this scope
             for(k = 0; k<3; k++)
                 ^