Submission #2178365

---

Source Code Expand

#include<stdio.h>
#include<math.h>
#include<stdlib.h>
typedef long long ll;
int cmp(const void *a, const void *b)
{
	return *(ll *)a-*(ll *)b;
}
int main()
{
	ll N,C,K,T[100005];
	ll p_num,i,j,bus_num;
	scanf("%lld %lld %lld",&N,&C,&K);
	for (i=0;i<N;i++) {
		scanf("%lld",&T[i]);
	}
	qsort(T,N,sizeof(T[0]),cmp);
	j=T[0];p_num=0;bus_num=1;
	for (i=0;i<N;i++) {
		if (T[i]<=j+K)	p_num++;
		else	{
			bus_num++;j=T[i+1];p_num=1;
		}
		if (p_num>=C)	{
			p_num=0;
			bus_num++;
			j=T[i+1];
		}
	}
	if (N==0)	bus_num=0;
	if (N==1)	bus_num=1;
	printf("%lld\n",bus_num);
	return 0;
 } 

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:13:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld %lld",&N,&C,&K);
  ^
./Main.c:15:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&T[i]);
   ^

Judge Result