提交记录 328


用户 题目 状态 得分 用时 内存 语言 代码长度
hqztrue 1001. 测测你的排序 Accepted 100 863.691 ms 781260 KB C 1.07 KB
提交时间 评测时间
2018-06-20 13:20:59 2020-07-31 20:37:39
unsigned B[100000005];
unsigned s[255+1];
void radix_sort_(unsigned *A){  //a[i]>=0, -O2
	const unsigned base = 255;
	register int r = 100000000;
	A-=1;
	register unsigned *a=A,*b=B;
	{
		for (int i=0;i<=base;++i)s[i]=0;
		for (int i=1;i<=r;++i)++s[a[i]&base];
		for (int i=1;i<=base;++i)s[i]+=s[i-1];
		for (int i=r;i>=1;--i)b[s[a[i]&base]--]=a[i];
		unsigned *tmp=a;a=b;b=tmp;
	}
	{
		for (int i=0;i<=base;++i)s[i]=0;
		for (int i=1;i<=r;++i)++s[a[i]>>8&base];
		for (int i=1;i<=base;++i)s[i]+=s[i-1];
		for (int i=r;i>=1;--i)b[s[a[i]>>8&base]--]=a[i];
		unsigned *tmp=a;a=b;b=tmp;
	}
	{
		for (int i=0;i<=base;++i)s[i]=0;
		for (int i=1;i<=r;++i)++s[a[i]>>16&base];
		for (int i=1;i<=base;++i)s[i]+=s[i-1];
		for (int i=r;i>=1;--i)b[s[a[i]>>16&base]--]=a[i];
		unsigned *tmp=a;a=b;b=tmp;
	}
	{
		for (int i=0;i<=base;++i)s[i]=0;
		for (int i=1;i<=r;++i)++s[a[i]>>24&base];
		for (int i=1;i<=base;++i)s[i]+=s[i-1];
		for (int i=r;i>=1;--i)b[s[a[i]>>24&base]--]=a[i];
		unsigned *tmp=a;a=b;b=tmp;
	}
	if (a!=A)for (int i=1;i<=r;++i)A[i]=a[i];
}

void sort(unsigned *a, int n){
	radix_sort_(a);
}

CompilationN/AN/ACompile OKScore: N/A

Testcase #1863.691 ms762 MB + 972 KBAcceptedScore: 100


Judge Duck Online | 评测鸭在线
Server Time: 2026-04-28 22:21:28 | Loaded in 1 ms | Server Status
个人娱乐项目,仅供学习交流使用 | 捐赠