View Compilation Error

0_0_19232460_29656.cpp:1:1: error: 'include' does not name a type
 include<bits/stdc++.h>
 ^
0_0_19232460_29656.cpp: In function 'int main()':
0_0_19232460_29656.cpp:10:30: error: 'scanf' was not declared in this scope
     while(~scanf("%d%d",&a,&b)){
                              ^
0_0_19232460_29656.cpp:19:30: error: 'sqrt' was not declared in this scope
                     if(sqrt(C) * sqrt(C) == C){
                              ^
0_0_19232460_29656.cpp:38:30: error: 'sqrt' was not declared in this scope
                     if(sqrt(C) * sqrt(C) == C){
                              ^
0_0_19232460_29656.cpp:57:31: error: 'printf' was not declared in this scope
         printf("%d %d\n",xx,yy);
                               ^
0_0_19232460_29656.cpp:59:35: error: 'printf' was not declared in this scope
             printf("No Solution\n");
                                   ^
0_0_19232460_29656.cpp:61:5: error: expected '}' at end of input
     }
     ^