学步园

#include<stdio.h>
int main()
{
	int a,b;
	scanf("%d %d",&a,&b);
	printf("%d",(a+b-1)/b);
	
}

#include <stdio.h>

int main(void)
{
    int a = 0,b = 0,c;
    scanf("%d %d", &a, &b);
    c=a/b;
    if(a%b)
        c++;
    printf("%d\n", c);

#include <stdio.h>
int main(void)
{
    int a = 0,b = 0;
    scanf("%d %d", &a, &b);
    printf("%d\n",a%b?a/b+1:a/b);
}