View Compilation Error

0_0_15499545_6617.cpp: In function 'int main()':
0_0_15499545_6617.cpp:69:7: error: 'i' was not declared in this scope
   for(i = 0;i < l1;i++)  
       ^
0_0_15499545_6617.cpp:75:13: error: 'i' was not declared in this scope
         for(i = 0;i < l2;i++)  
             ^
0_0_15499545_6617.cpp:81:13: error: 'i' was not declared in this scope
         for(i = 0;i < l3;i++)  
             ^