View Compilation Error

0_0_29474596_31081.cpp:8:5: error: stray '\' in program
     while(scanf(\"%d%d%d\",&n,&m,&k)!=EOF&&(n||m||k)) 
     ^
0_0_29474596_31081.cpp:8:5: error: missing terminating " character
0_0_29474596_31081.cpp:30:7: error: stray '\' in program
       printf(\"%.8lf\\n\",res); 
       ^
0_0_29474596_31081.cpp:30:7: error: missing terminating " character
0_0_29474596_31081.cpp: In function 'int main()':
0_0_29474596_31081.cpp:10:33: error: expected '}' before ';' token
        memset(num,0,sizeof(num));
                                 ^
0_0_29474596_31081.cpp:10:33: error: expected ')' before ';' token
0_0_29474596_31081.cpp:10:33: error: expected ')' before ';' token
0_0_29474596_31081.cpp:31:4: error: expected primary-expression before '}' token
    }  
    ^
0_0_29474596_31081.cpp: At global scope:
0_0_29474596_31081.cpp:32:3: error: expected unqualified-id before 'return'
   return 0;
   ^
0_0_29474596_31081.cpp:33:1: error: expected declaration before '}' token
 } 
 ^