/in/foo.cc: In function 'int main()':
/in/foo.cc:17:5: error: 'c' was not declared in this scope
     c=(i/10%10)+(i/100);
     ^
/in/foo.cc:35:5: error: 'c' was not declared in this scope
     c=(i/10%10)+(i/100)
     ^