#define_CRT_SECURE_NO_DEPRECATE#include#includeinta[20];intcomp(constvoid*a,constvoid*b){return*(int*)a-*(int*)b;}intbinarysearch(intkey,intm,intn){qsort(a,20,sizeof(int),comp);intmid;while(1){mid=(m+n)/2;if(keya[mid])m=mid;if(key==a[mid])returnmid;}}intmain(void){inti,s;puts("pleaseinput20numbers:");for(i=0;i<20;i++)scanf("%d",&a[i]);puts("pleaseinputthenumberthatyouwanttosearch:");scanf("%d",&s);i=binarysearch(s,0,20);printf("%d",i);}
快递管理 c语言版可以实现
这个比较容易,可以做。