linear_search2.c

#include<stdio.h>

int linear(int data[],int size,int n);

void output(int n,int ans);

int main(void){
    int data[9]={3,9,8,2,1,4,6,5,7};
    int size =sizeof(data)/sizeof(int);
    int n;
    int ans;

    printf("search number?");
    scanf("%d",&n);

    ans=linear(data,size,n);

    output(n,ans);

    return 0;
}

void output(int n,int ans){
    if(ans == -1){
        printf("%d is not found.\n",n);
    }
    else{
        printf("%d is found in data[%d].\n",n,ans);
    }
}

int linear(int data[],int size,int n){
    int kekka;
    int i;

    kekka = -1;
    while(data[i] != '\0'){
        if(data[i] == n){
            kekka = i;
            break;
        }
        else i++;
    }

    return kekka;
}

/*while>for
 * i<size
 * みたいに。*/