View Compilation Error

0_0_36618017_8596.cpp: In function 'void solve()':
0_0_36618017_8596.cpp:19:36: error: 'scanf_s' was not declared in this scope
   scanf("%lf %lf", &p[i].x, &p[i].y);
                                    ^
0_0_36618017_8596.cpp: In function 'int main()':
0_0_36618017_8596.cpp:62:16: error: 'scanf_s' was not declared in this scope
  scanf("%d", &n);
                ^