View Compilation Error

0_0_16001242_1816.cpp:34:2: error: stray '\' in program
  dfs(sum,cur\num[m+1],m+1);
  ^
0_0_16001242_1816.cpp: In function 'void dfs(int, int, int)':
0_0_16001242_1816.cpp:34:14: error: expected ')' before 'num'
  dfs(sum,cur\num[m+1],m+1);
              ^