å¯ä»¥èªå·±æåï¼ä¹å¯ä»¥ç¨ç¨åºäº§çï¼
#include<stdio.h>
#include <math.h>
#include <time.h>
int main()
{
int N=0;
int i,n;
int v[62];
char pw[21];
for (i='0';i<='9';i++) {v[N]=i;N++;};
for (i='a';i<='z';i++) {v[N]=i;N++;};
for (i='A';i<='Z';i++) {v[N]=i;N++;};
srand((unsigned)time(NULL));
n=rand()%17+4;
for (i=0;i<n;i++) pw[i]=v[rand()%62];
pw[n]='\0';
printf("passwd is: %s\n",pw);
return 0;
}
----
n = 4 å° 20 éæº
v[62] åæ¾ æ°å0-9ï¼å¤§åå°ååæ¯ A-Z,a-z
pw[] = 产çç å£ä»¤å符串ã
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