#include <stdio.h>
#include <stdlib.h>
#include <time.h>
 
#define N 50
 
int main(void)
{
    int data[N];
    int i, j, key;
 
    srand((unsigned int)time(NULL));
 
    for(i = 0; i < N; i++)
        data[i] = rand() % 1000;
 
    /* 挿入ソート */
    for(i = 1; i < N; i++)
    {
        key = data[i];
        j = i - 1;
 
        while(j >= 0 && data[j] > key)
        {
            data[j + 1] = data[j];
            j--;
        }
 
        data[j + 1] = key;
    }
 
    printf("並べ替え後\n");
 
    for(i = 0; i < N; i++)
        printf("%d ", data[i]);
 
    printf("\n\n");
 
    printf("先頭2桁が10の数\n");
 
    for(i = 0; i < N; i++)
    {
        if(data[i] >= 100 && data[i] <= 109)
            printf("%d ", data[i]);
    }
 
    printf("\n");
 
    return 0;
}

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