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#include <stdlib.h>
#include <stdio.h>
#include <time.h>
int main()
{
srand((int)time(0));
for(int i = 0;i < 10;i++)
printf("%f\n",(double)((double)rand()/RAND_MAX));
printf("\n");
return 1;
}
0.505753
0.873501
0.080355
0.337382
0.009064
0.938719
0.996948
0.737632
0.899716
0.369976
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int GetRand()
{
srand((int)time(0)); //用时间做种子,每次产生的数字将不同
return (int)(rand()/RAND_MAX);
}