View Compilation Error

0_0_22324929_5273.cpp: In function 'int main()':
0_0_22324929_5273.cpp:5:15: error: 'scanf' was not declared in this scope
  scanf("%d",&h);
               ^
0_0_22324929_5273.cpp:28:24: error: 'printf' was not declared in this scope
        printf("%d",b[i]);
                        ^
0_0_22324929_5273.cpp:34:14: error: 'printf' was not declared in this scope
   printf("\n");
              ^