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数组指针顾名思义,就是指向数组的指针。每个元素是一个一维数组int a[3] = {1,2,3}; int(* p)[n] = { }; *p[0] = &a; printf("%d",*p[0][0]);//输出1,即a[0]指针数组数组每个元素都是指针int a = 1, b = 2; int *p[n] = { }; *p[0] = &a; *p[1...
float jiecheng(int n) { int num; if (n==0 || n==1) { num = 1;...
个位:x%10;十位:x/10%10;百位:x/100%10;千位:x/1000%10
webBenchmarkwget https://github.com/maintell/webBenchmark/releases/download/0...
setex 带生存时间的写入值 $redis->setex('key', 3600, 'value'); setnx 判断是否重复的,写入值,如存在了不修改返回0,不存在就添加返回1 $redis->setnx('key', 'value'); 返回已经删除key $redis->delete...