View Compilation Error

0_0_21265604_32339.cpp: In function 'int main(int, char**)':
0_0_21265604_32339.cpp:89:12: error: 'ls' was not declared in this scope
         if(ls>=100)
            ^
0_0_21265604_32339.cpp:92:17: error: 'ls' was not declared in this scope
       while(sum[ls]==0)
                 ^
0_0_21265604_32339.cpp:94:13: error: 'l2' was not declared in this scope
       for(i=l2;i>=0;i--)
             ^