#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<assert.h>
int main()
{
int x = 0;
int ret = 0;
int binsearch(int *arr, int x);
int str[3][3] = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
scanf("%d", &x);
ret = binsearch(str, x);
if (ret == 1)
printf("ok\n");
if (ret == 0)
printf("no\n");
system("pause");
return 0;
}
int binsearch(int *arr, int x)
{
assert(arr);
while (*arr)
{
if (*arr == x)
return 1;
else
arr++;
}
return 0;
}
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