View Compilation Error

0_0_37885830_3393.cpp: In function 'int main()':
0_0_37885830_3393.cpp:9:31: error: 'scanf' was not declared in this scope
     while(~scanf("%d %d",&a,&b))
                               ^
0_0_37885830_3393.cpp:14:35: error: 'printf' was not declared in this scope
             printf("No Solution\n");
                                   ^
0_0_37885830_3393.cpp:17:28: error: 'sqrt' was not declared in this scope
         double t = sqrt(tmp);
                            ^
0_0_37885830_3393.cpp:21:36: error: 'printf' was not declared in this scope
              printf("No Solution\n");
                                    ^
0_0_37885830_3393.cpp:26:35: error: 'printf' was not declared in this scope
         printf("%d %d\n",tmp,a-tmp);
                                   ^