View Compilation Error

0_0_16822182_15073.cpp: In function 'int main()':
0_0_16822182_15073.cpp:5:5: error: 'string' was not declared in this scope
     string x = "";
     ^
0_0_16822182_15073.cpp:6:26: error: 'scanf' was not declared in this scope
     while(~scanf("%d", &T))
                          ^
0_0_16822182_15073.cpp:9:9: error: 'mp' was not declared in this scope
         mp.clear();
         ^
0_0_16822182_15073.cpp:12:24: error: 's' was not declared in this scope
             scanf("%s",s);
                        ^
0_0_16822182_15073.cpp:13:13: error: 'x' was not declared in this scope
             x="";
             ^
0_0_16822182_15073.cpp:14:35: error: 'miniPresent' was not declared in this scope
             int tmp = miniPresent()(s);
                                   ^
0_0_16822182_15073.cpp:15:31: error: 'strlen' was not declared in this scope
             int len = strlen(s);
                               ^
0_0_16822182_15073.cpp:24:27: error: 'printf' was not declared in this scope
         printf("%d\n", ans);
                           ^