#include <cstdio>
#include <iostream>
using namespace std;
int seqsearch(int n, int* S, int x){
int location = 0;
while(location <= n && S[location]!=x){
location++;
if(S[location]==x){
return location;
break;
}
}
if(location > n){
location = 0;
}
return location;
}
int main(){
int S[]={1,2,3,4,5,6,7,8,9,10};
printf("%d\n",seqsearch(10, S, 5));
}
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