View Compilation Error

0_0_24834335_18801.cpp: In function 'int main()':
0_0_24834335_18801.cpp:11:13: error: 'l' was not declared in this scope
   for(i=0;i<l;i++)
             ^
0_0_24834335_18801.cpp:19:13: error: 'l' was not declared in this scope
   for(i=0;i<l;i++){
             ^