View Compilation Error

0_0_28175193_28667.cpp: In function 'int main()':
0_0_28175193_28667.cpp:11:13: error: 'i' was not declared in this scope
         for(i=1;i<=n;i++)
             ^
0_0_28175193_28667.cpp:21:9: error: 'k' was not declared in this scope
         k=n%m;
         ^
0_0_28175193_28667.cpp:22:13: error: 'i' was not declared in this scope
         for(i=0;i<j-1;i++)
             ^