View Compilation Error

0_0_31194785_24314.cpp: In function 'void pushdown(int)':
0_0_31194785_24314.cpp:19:5: error: 'lazy' was not declared in this scope
  if(lazy[rt]){
     ^
0_0_31194785_24314.cpp: In function 'void update(int, int, int, int, int)':
0_0_31194785_24314.cpp:30:6: error: 'lazy' was not declared in this scope
      lazy[rt]+=1;
      ^
0_0_31194785_24314.cpp: In function 'void printf(int, int, int)':
0_0_31194785_24314.cpp:50:12: error: 'fl' was not declared in this scope
         if(fl++>0) printf(" ");
            ^
0_0_31194785_24314.cpp: In function 'int main(int, char**)':
0_0_31194785_24314.cpp:62:9: error: 'fl' was not declared in this scope
         fl=0;
         ^
0_0_31194785_24314.cpp:64:13: error: 'lazy' was not declared in this scope
         me0(lazy);
             ^
0_0_31194785_24314.cpp:9:23: note: in definition of macro 'me0'
 #define me0(s) memset(s,0,sizeof(s))
                       ^