#include <stdio.h>
#define NUM 10
 
int main(void) {
    int a[] = {2,4,1,8,10,7,4,6,3,5};
    int i,j,key;
 
    for(i=0; i<NUM; i++)
    	printf("%3d",a[i]);
    printf("\n");
 
    scanf("%d", &key);
    // 探索
    for(i=0; i<NUM; i++){
        if(a[i]==key){
            //削除=前に詰める
            for(j=i; j<NUM-1; j++) a[j] = a[j+1];
            // 末尾要素を０にする
            a[9] = 0;
            //探索位置を次に進めない
            i--;
        }
    }
 
    for(i=0; i<NUM; i++)
    	printf("%3d",a[i]);
    printf("\n");
 
	return 0;
}

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NA==

4