提交记录 17563 - Judge Duck Online

用户	题目	状态	得分	用时	内存	语言	代码长度
junity	1001a. 测测你的排序2	Compile Error	0	0 ns	0 KB	C++11	168 B

提交时间	评测时间
2022-03-27 16:02:37	2022-03-27 16:02:38

代码

#include <algorithm>

int  cmp(const void* a,const int* b){
return ( *( int* )a - *( int* )b );;
}

void sort(unsigned *a, int n) {
	std::qsort(a,n,sizeof(int),cmp);
}

评测结果

Compilation

N/A

Compile Error

Score: N/A

显示更多

jp_data/tasks/44a2180cada411ec8d96fdb470a28eb4/contestant.cpp: In function ‘void sort(unsigned int*, int)’:
jp_data/tasks/44a2180cada411ec8d96fdb470a28eb4/contestant.cpp:8:29: error: invalid conversion from ‘int (*)(const void*, const int*)’ to ‘__compar_fn_t’ {aka ‘int (*)(const void*, const void*)’} [-fpermissive]
    8 |  std::qsort(a,n,sizeof(int),cmp);
      |                             ^~~
      |                             |
      |                             int (*)(const void*, const int*)
In file included from /usr/include/c++/9/cstdlib:75,
                 from /usr/include/c++/9/bits/stl_algo.h:59,
                 from /usr/include/c++/9/algorithm:62,
                 from jp_data/tasks/44a2180cada411ec8d96fdb470a28eb4/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));
      |      ~~~~~~~~~~~~~~^~~~~~~~