提交记录 13768 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
return20071007	wc2017b1. 【WC2017】挑战-任务1	Compile Error	0	0 ns	0 KB	C++	1.07 KB

提交时间	评测时间
2020-08-09 21:01:43	2020-08-09 21:01:45

代码

void sort(unsigned *a, int n) {
    u32 cnt[256];
    u32 *b = new u32[n];
    u32 ps = 0;
    memset(cnt, 0, sizeof cnt);
    for (int i = 0; i < n; ++i) ++cnt[(a[i] >> ps) & 0xff];
    for (int i = 1; i < 256; ++i) cnt[i] += cnt[i - 1];
    for (int i = n - 1; ~i; --i) b[--cnt[(a[i] >> ps) & 0xff]] = a[i];
    std::swap(a, b);
    ps = 8;
    memset(cnt, 0, sizeof cnt);
    for (int i = 0; i < n; ++i) ++cnt[(a[i] >> ps) & 0xff];
    for (int i = 1; i < 256; ++i) cnt[i] += cnt[i - 1];
    for (int i = n - 1; ~i; --i) b[--cnt[(a[i] >> ps) & 0xff]] = a[i];
    std::swap(a, b);
    ps = 16;
    memset(cnt, 0, sizeof cnt);
    for (int i = 0; i < n; ++i) ++cnt[(a[i] >> ps) & 0xff];
    for (int i = 1; i < 256; ++i) cnt[i] += cnt[i - 1];
    for (int i = n - 1; ~i; --i) b[--cnt[(a[i] >> ps) & 0xff]] = a[i];
    std::swap(a, b);
    ps = 24;
    memset(cnt, 0, sizeof cnt);
    for (int i = 0; i < n; ++i) ++cnt[(a[i] >> ps) & 0xff];
    for (int i = 1; i < 256; ++i) cnt[i] += cnt[i - 1];
    for (int i = n - 1; ~i; --i) b[--cnt[(a[i] >> ps) & 0xff]] = a[i];
    std::swap(a, b);
}

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/7979a98eda4011ea899e00163e04388b/contestant.cpp: In function ‘void sort(unsigned int*, int)’:
jp_data/tasks/7979a98eda4011ea899e00163e04388b/contestant.cpp:2:5: error: ‘u32’ was not declared in this scope
    2 |     u32 cnt[256];
      |     ^~~
jp_data/tasks/7979a98eda4011ea899e00163e04388b/contestant.cpp:3:10: error: ‘b’ was not declared in this scope
    3 |     u32 *b = new u32[n];
      |          ^
jp_data/tasks/7979a98eda4011ea899e00163e04388b/contestant.cpp:3:18: error: ‘u32’ does not name a type
    3 |     u32 *b = new u32[n];
      |                  ^~~
jp_data/tasks/7979a98eda4011ea899e00163e04388b/contestant.cpp:4:8: error: expected ‘;’ before ‘ps’
    4 |     u32 ps = 0;
      |        ^~~
      |        ;
jp_data/tasks/7979a98eda4011ea899e00163e04388b/contestant.cpp:5:12: error: ‘cnt’ was not declared in this scope; did you mean ‘int’?
    5 |     memset(cnt, 0, sizeof cnt);
      |            ^~~
      |            int
jp_data/tasks/7979a98eda4011ea899e00163e04388b/contestant.cpp:5:5: error: ‘memset’ was not declared in this scope
    5 |     memset(cnt, 0, sizeof cnt);
      |     ^~~~~~
jp_data/tasks/7979a98eda4011ea899e00163e04388b/contestant.cpp:1:1: note: ‘memset’ is defined in header ‘<cstring>’; did you forget to ‘#include <cstring>’?
  +++ |+#include <cstring>
    1 | void sort(unsigned *a, int n) {
jp_data/tasks/7979a98eda4011ea899e00163e04388b/contestant.cpp:6:48: error: ‘ps’ was not declared in this scope
    6 |     for (int i = 0; i < n; ++i) ++cnt[(a[i] >> ps) & 0xff];
      |                                                ^~
jp_data/tasks/7979a98eda4011ea899e00163e04388b/contestant.cpp:8:51: error: ‘ps’ was not declared in this scope
    8 |     for (int i = n - 1; ~i; --i) b[--cnt[(a[i] >> ps) & 0xff]] = a[i];
      |                                                   ^~
jp_data/tasks/7979a98eda4011ea899e00163e04388b/contestant.cpp:9:10: error: ‘swap’ is not a member of ‘std’
    9 |     std::swap(a, b);
      |          ^~~~
jp_data/tasks/7979a98eda4011ea899e00163e0