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    Mini Project (µµ¼­°ü °ü¸® ÇÁ·Î±×·¥) (¸ð¹ü ´ä¾È)



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#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
struct book {
    int id;
    char name[30];
    char author[30];
};
struct book library[1000];
 
void clear_input_buffer() {
    int c;
    while ((c = getchar()) != '\n' && c != EOF);
}
 
void remove_newline(char* str) {
    size_t len = strlen(str);
    if (len > 0 && str[len - 1== '\n')
        str[len - 1= '\0';
}
 
int main() {
    char name[30], author[30];
    int select = 0;
    int nbooks = 0;
 
    while (select != 6) {
        printf("===========================================\n");
        printf("1. µµ¼­ ¹øÈ£·Î Ã¥ Ã£±â\n");
        printf("2. ÀúÀÚ À̸§À¸·Î Ã¥ Ã£±â\n");
        printf("3. Á¦¸ñÀ¸·Î Ã¥ Ã£±â\n");
        printf("4. »õ·Î¿î Ã¥ Ãß°¡\n");
        printf("5. µµ¼­°üÀÌ ¼ÒÀåÇÑ µµ¼­ÀÇ ¼ö Ç¥½Ã\n");
        printf("6. Á¾·á\n");
        printf("===========================================\n");
        printf("¸Þ´º Áß¿¡¼­ Çϳª¸¦ ¼±ÅÃÇϼ¼¿ä: ");
        scanf("%d"&select);
        clear_input_buffer();
 
        switch (select) {
        case 1:  // µµ¼­ ¹øÈ£·Î Ã¥ Ã£±â
            printf("µµ¼­ ¹øÈ£¸¦ ÀÔ·ÂÇϼ¼¿ä: ");
            int id;
            scanf("%d"&id);
            clear_input_buffer();
            if (id >= 0 && id < nbooks) {
                printf("µµ¼­ ¹øÈ£: %d\n", library[id].id);
                printf("Ã¥ À̸§: %s\n", library[id].name);
                printf("ÀúÀÚ À̸§: %s\n", library[id].author);
            }
            else {
                printf("ÇØ´ç µµ¼­ ¹øÈ£ÀǠåÀÌ ¾ø½À´Ï´Ù.\n");
            }
            break;
 
        case 2:  // ÀúÀÚ À̸§À¸·Î Ã£±â
            printf("ÀúÀÚ À̸§À» ÀÔ·ÂÇϽÿÀ: ");
            fgets(author, sizeof(author), stdin);
            remove_newline(author);
            for (int i = 0; i < nbooks; i++) {
                if (strcmp(author, library[i].author) == 0)
                    printf("µµ¼­¹øÈ£: %d, Á¦¸ñ: %s, ÀúÀÚ: %s\n", library[i].id, library[i].name, library[i].author);
            }
            break;
 
        case 3:  // Á¦¸ñÀ¸·Î Ã£±â
            printf("Ã¥ Á¦¸ñÀ» ÀÔ·ÂÇϽÿÀ: ");
            fgets(name, sizeof(name), stdin);
            remove_newline(name);
            for (int i = 0; i < nbooks; i++) {
                if (strcmp(name, library[i].name) == 0)
                    printf("µµ¼­¹øÈ£: %d, Á¦¸ñ: %s, ÀúÀÚ: %s\n", library[i].id, library[i].name, library[i].author);
            }
            break;
 
        case 4:  // »õ·Î¿î Ã¥ Ãß°¡
            printf("Ã¥ À̸§ = ");
            fgets(library[nbooks].name, sizeof(library[nbooks].name), stdin);
            remove_newline(library[nbooks].name);
            printf("ÀúÀÚ À̸§ = ");
            fgets(library[nbooks].author, sizeof(library[nbooks].author), stdin);
            remove_newline(library[nbooks].author);
            library[nbooks].id = nbooks;
            nbooks++;
            printf("Ã¥ÀÌ Ãß°¡µÇ¾ú½À´Ï´Ù.\n");
            break;
 
        case 5:  // ¸ðµç µµ¼­ Ãâ·Â
            printf("ÃÑ ¼ÒÀå µµ¼­ ¼ö: %d\n", nbooks);
            for (int i = 0; i < nbooks; i++) {
                printf("µµ¼­¹øÈ£: %d, Á¦¸ñ: %s, ÀúÀÚ: %s\n", library[i].id, library[i].name, library[i].author);
            }
            break;
 
        case 6:  // Á¾·á
            printf("ÇÁ·Î±×·¥À» Á¾·áÇÕ´Ï´Ù.\n");
            exit(0);
 
        default:
            printf("À߸øµÈ ¼±ÅÃÀÔ´Ï´Ù. 1~6 »çÀÌÀÇ ¼ýÀÚ¸¦ ÀÔ·ÂÇϼ¼¿ä.\n");
        }
    }
 
    return 0;
}
cs

  µî·ÏÀÏ : 2022-05-02 [02:55] Á¶È¸ : 344 ´Ù¿î : 0   
 
¡â ÀÌÀü±ÛMini Project (µµ¼­°ü °ü¸® ÇÁ·Î±×·¥)
¡ä ´ÙÀ½±ÛÃß°¡ µµÀü ¹®Á¦ 1
CÇÁ·Î±×·¡¹Ö(ÇÁ·Î±×·¡¹Ö¾ð¾î) ½Ç½À°Ô½ÃÆÇ
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