View Compilation Error

0_0_25814521_15049.cpp:1:5: error: stray '#' in program
   1 #include<iostream>
     ^
0_0_25814521_15049.cpp:2:5: error: stray '#' in program
   2 #include<string>
     ^
0_0_25814521_15049.cpp:3:5: error: stray '#' in program
   3 #include<map>
     ^
0_0_25814521_15049.cpp:1:3: error: expected unqualified-id before numeric constant
   1 #include<iostream>
   ^
0_0_25814521_15049.cpp:11:15: error: 'string' was not declared in this scope
  int toNumber(string str){
               ^
0_0_25814521_15049.cpp:11:26: error: expected ',' or ';' before '{' token
  int toNumber(string str){
                          ^