View Compilation Error

0_0_29329752_3523.cpp:4:5: error: 'string' does not name a type
     string str;  
     ^
0_0_29329752_3523.cpp:5:5: error: 'vector' does not name a type
     vector<int>res;  
     ^
0_0_29329752_3523.cpp:8:1: error: 'map' does not name a type
 map<string,int> mp;  
 ^
0_0_29329752_3523.cpp:9:1: error: 'vector' does not name a type
 vector<int>res;  
 ^
0_0_29329752_3523.cpp:11:10: error: 'string' was not declared in this scope
 bool bfs(string ss)  
          ^
0_0_29329752_3523.cpp:12:1: error: expected ',' or ';' before '{' token
 {  
 ^