Submission #1156615


Source Code Expand

#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
typedef long long ll;
int a[210001],i,j,k,n,l,r,ans,m;
bool check(int x){
	int i;
	ll k=0;
	for (i=1;i<=x;i++) k+=a[i];
	for (i=x+1;i<=n;i++)
	 if (2LL*k<a[i]) return 0;else k+=a[i];
	return 1;
}
int main(){
	scanf("%d",&n);
	for (i=1;i<=n;i++) scanf("%d",&a[i]);
	sort(a+1,a+1+n);
	for (l=1,r=n;l<r-1;){
		m=(l+r)>>1;
		if (check(m)) r=m;else l=m+1;
	}
	ans=(check(l))?l:r;
	printf("%d\n",n-ans+1);
	return 0;
}

Submission Info

Submission Time
Task B - Colorful Creatures
User lsmll
Language C++14 (GCC 5.4.1)
Score 400
Code Size 513 Byte
Status AC
Exec Time 19 ms
Memory 512 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:16:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:17:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  for (i=1;i<=n;i++) scanf("%d",&a[i]);
                                      ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 3
AC × 19
Set Name Test Cases
Sample sample1.txt, sample2.txt, sample3.txt
All sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in2.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt
Case Name Status Exec Time Memory
in1.txt AC 19 ms 512 KB
in10.txt AC 7 ms 256 KB
in11.txt AC 18 ms 512 KB
in12.txt AC 15 ms 512 KB
in13.txt AC 14 ms 512 KB
in2.txt AC 19 ms 512 KB
in3.txt AC 19 ms 512 KB
in4.txt AC 19 ms 512 KB
in5.txt AC 8 ms 256 KB
in6.txt AC 16 ms 512 KB
in7.txt AC 19 ms 512 KB
in8.txt AC 16 ms 512 KB
in9.txt AC 3 ms 256 KB
sample1.txt AC 1 ms 128 KB
sample2.txt AC 0 ms 128 KB
sample3.txt AC 1 ms 128 KB