View Compilation Error

0_0_18280648_16760.cpp: In function 'void dfs(int, int, long long int)':
0_0_18280648_16760.cpp:16:24: error: 'l' was not declared in this scope
     if( k < 0 ) return l
                        ^
0_0_18280648_16760.cpp:16:24: error: return-statement with a value, in function returning 'void' [-fpermissive]
0_0_18280648_16760.cpp:17:5: error: expected ';' before 'if'
     if( time(0)-st > 98 ) throw 1 ;
     ^