View Compilation Error

0_0_29474600_18683.cpp:8:5: error: stray '\' in program
     while(scanf(\"%d%d%d\",&n,&m,&k)!=EOF&&(n||m||k))  
     ^
0_0_29474600_18683.cpp:8:5: error: missing terminating " character
0_0_29474600_18683.cpp:30:9: error: stray '\' in program
         printf(\"%.8lf\\n\",res);
         ^
0_0_29474600_18683.cpp:30:9: error: missing terminating " character
0_0_29474600_18683.cpp: In function 'int main()':
0_0_29474600_18683.cpp:10:27: error: expected '}' before ';' token
  memset(num,0,sizeof(num));
                           ^
0_0_29474600_18683.cpp:10:27: error: expected ')' before ';' token
0_0_29474600_18683.cpp:10:27: error: expected ')' before ';' token
0_0_29474600_18683.cpp:31:5: error: expected primary-expression before '}' token
     }
     ^
0_0_29474600_18683.cpp: At global scope:
0_0_29474600_18683.cpp:32:5: error: expected unqualified-id before 'return'
     return 0;
     ^
0_0_29474600_18683.cpp:33:1: error: expected declaration before '}' token
 } 
 ^