提交记录 14817 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
Exr0n	1001. 测测你的排序	Compile Error	0	0 ns	0 KB	C++11	494 B

提交时间	评测时间
2020-11-13 09:14:16	2020-11-13 09:14:17

代码

#include <utility>
#include <cstring>
void sort(unsigned *a, int n) {
    unsigned c[n];
    unsigned *b = c, pos[256];
    for (unsigned s=0; s<32; s+=8)
    {
        memset(pos, 0, sizeof pos); // FIX: clears-- pos
        for (int i=0; i<n; ++i) ++pos[a[i]>>s&0xff];
        for (int i=1; i<256; ++i) pos[i] += pos[i-1];
        for (int i=n-1; ~i; --i) b[--pos[a[i]>>s&0xff]] = a[i]; // FIX: bounds--start at n-1 not at n cuz zero index smah
        unsigned *t = b, b = a, a = t;
    }
}

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/8c590678254d11ebb5e000163e04388b/contestant.cpp: In function ‘void sort(unsigned int*, int)’:
jp_data/tasks/8c590678254d11ebb5e000163e04388b/contestant.cpp:12:30: error: invalid conversion from ‘unsigned int*’ to ‘unsigned int’ [-fpermissive]
   12 |         unsigned *t = b, b = a, a = t;
      |                              ^
      |                              |
      |                              unsigned int*
jp_data/tasks/8c590678254d11ebb5e000163e04388b/contestant.cpp:12:37: error: invalid conversion from ‘unsigned int*’ to ‘unsigned int’ [-fpermissive]
   12 |         unsigned *t = b, b = a, a = t;
      |                                     ^
      |                                     |
      |                                     unsigned int*