提交记录 19167 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
user1	1001a. 测测你的排序2	Compile Error	0	0 ns	0 KB	C++14	141 B

提交时间	评测时间
2023-02-19 23:19:00	2023-02-19 23:19:01

代码

#include <stdlib.h>
int f(const unsigned* a, const unsigned* b) {
return *a<*b?-1:*a>*b;
}
void sort(unsigned *a, int n) {
	qsort(a,n,4,f);
}

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/bc69f82eb06811ed953b9d510784bac5/contestant.cpp: In function ‘void sort(unsigned int*, int)’:
jp_data/tasks/bc69f82eb06811ed953b9d510784bac5/contestant.cpp:6:14: error: invalid conversion from ‘int (*)(const unsigned int*, const unsigned int*)’ to ‘__compar_fn_t’ {aka ‘int (*)(const void*, const void*)’} [-fpermissive]
    6 |  qsort(a,n,4,f);
      |              ^
      |              |
      |              int (*)(const unsigned int*, const unsigned int*)
In file included from /usr/include/c++/9/cstdlib:75,
                 from /usr/include/c++/9/stdlib.h:36,
                 from jp_data/tasks/bc69f82eb06811ed953b9d510784bac5/contestant.cpp:1:
/usr/include/stdlib.h:831:20: note:   initializing argument 4 of ‘void qsort(void*, size_t, size_t, __compar_fn_t)’
  831 |      __compar_fn_t __compar) __nonnull ((1, 4));
      |      ~~~~~~~~~~~~~~^~~~~~~~