求解，为啥visual studio显示scanf错误

Question

#include<stdio.h>
int main()
{
int x; int y;
y = x * x + 2 * x - 10;
scanf("%d", &x);
printf("%d", y);
return 0;
}

Answer 1

改成这个试试

#include<stdio.h>
int main()
{
int x; int y;
y = x * x + 2 * x - 10;
scanf_s("%d", &x);
printf("%d", y);
return 0;
}