View Compilation Error

0_0_18071352_3213.cpp: In function 'int main()':
0_0_18071352_3213.cpp:17:13: error: 'j' was not declared in this scope
         for(j=0;j<n-1;j++)  
             ^
0_0_18071352_3213.cpp:22:13: error: 'j' was not declared in this scope
         for(j=0;j<n-k;j++)  
             ^
0_0_18071352_3213.cpp:27:5: error: expected ';' before '}' token
     }  
     ^