NYOJ 399、458、477

NYOJ 399

#include<stdio.h>
int main()
{
int n,b;
while(scanf("%d %d",&n,&b)!=EOF)
{
//printf("%d\n",n/b);
int i,t=0;
for(i=b;i<=n;i+=b)
t++;
printf("%d\n",t);
}
return 0;
}


NYOJ 458

#include <stdio.h>
int main()
{
unsigned long long t,m,temp=471;
scanf("%llu",&t);
while(t--&&scanf("%llu",&m))
printf("%llu\n",temp+1000*(m-1));
}


NYOJ 477

#include <stdio.h>
int main()
{
double t,a,b,c;
scanf("%lf",&t);
while(t--)
if(scanf("%lf%lf%lf",&a,&b,&c)&&a+b-c<0.0001&&a+b-c>-0.0001) printf("Yes\n");
else printf("No\n");
}