View Compilation Error

0_0_22961262_28648.cpp: In function 'int main()':
0_0_22961262_28648.cpp:4:30: error: 'scanf' was not declared in this scope
  while((scanf("%d %d", &n, &m))!=EOF&&(m!=0&&n!=0))
                              ^
0_0_22961262_28648.cpp:4:34: error: 'EOF' was not declared in this scope
  while((scanf("%d %d", &n, &m))!=EOF&&(m!=0&&n!=0))
                                  ^
0_0_22961262_28648.cpp:17:22: error: 'printf' was not declared in this scope
    printf("%d ", a[i]);
                      ^
0_0_22961262_28648.cpp:19:19: error: 'printf' was not declared in this scope
   printf("%d\n", m);
                   ^