scanf

#include <stdio.h>
int main(void)
{
    int i, j;
    
    scanf("%d", &i);
    printf("i = %d\n", i);
    while (getchar() != '\n') {
        continue;
    }
    
    scanf("%d", &j);
    printf("j = %d\n", j);
    
    return 0;
}

使用while循环读取多余的字符