#include <stdio.h> #define N 8 int main() { int a[N]={6,9,15,25,26,48,53}; int low=0,high=N-1,mid,x; printf("请输入要查的数据 :\n"); scanf("%d",&x); while(low<=high) { mid=(low+high)/2; if(a[mid]==x) { printf("找到,a[%d]=%d\n",mid,x); break; } else { if(x>a[mid]) low=mid-1; else high=mid-1; } } if(low>high)printf("未找到!\n"); return 0; }
输入15没法运行!!!
求大神告知!
望远
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