c++中打乱数组的顺序输出，这里记录一下
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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
// 随机打乱一个数组
void
random(
int
a[],
int
n)
{
int
index, tmp, i;
srand
(
time
(NULL));
for
(i = 0; i <n; i++)
{
index =
rand
() % (n - i) + i;
if
(index != i)
{
tmp = a[i];
a[i] = a[index];
a[index] = tmp;
}
}
}
int
main()
{
int
a[] = {1, 2, 3, 4, 5};
int
i;
random(a, 5);
for
(i = 0; i < 5; i++)
printf
(
"%d "
, a[i]);
printf
(
"\n"
);
system
(
"pause"
);
return
0;
}
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本文转自xuzw13 51CTO博客，原文链接：http://blog.51cto.com/xuzhiwei/1354579，如需转载请自行联系原作者
