bai1.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define MAX_NUMBERS 100

int main() {
    char input[1000];
    int numbers[MAX_NUMBERS];
    int count = 0;
    long sum = 0;
    long long product = 1;
    int count_in_range = 0;

    printf("Nhap < 100 so : \n");
    fgets(input, sizeof(input), stdin);

    char *token = strtok(input, " ");
    while (token != NULL && count < MAX_NUMBERS) {
        numbers[count] = atoi(token);
        count++;
        token = strtok(NULL, " ");
    }

    printf("\nSo chia het cho 3 va lon hon 10: ");
    for (int i = 0; i < count; i++) {
        sum += numbers[i];
        product *= numbers[i];

        if (numbers[i] > 10 && numbers[i] % 3 == 0) {
            printf("%d ", numbers[i]);
        }

        if (numbers[i] >= 100 && numbers[i] <= 1000) {
            count_in_range++;
        }
    }

    printf("\n\nTong cac so: %ld", sum);
    printf("\nTich cac so: %lld", product);
    printf("\nCac so trong khoang [100, 1000]: %d\n", count_in_range);

    return 0;
}