#include <stdio.h>
int main(void) {
int a[] = {1,2,3,4,5,6};
int k = 8;
int found=0;
for (int i=0;i<6;i++)
if (a[i]==k)
if(found==0) {
printf("khong tim thay phan tu %d trong mang",k
); }
return 0;
}
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