Submission

Score: 20

User: Whatthepoop

Problemset: ชั้นหนังสือ

Language: c

Time: 0.002 second

Submitted On: 2025-10-10 22:56:54

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

typedef struct {
    int amount;
    char name[31];
} Bookshelf;

void reverse(char str[]) {
    int len = strlen(str);
    int i = 0, j = len - 1;
    while(i < j) {
        char temp = str[i];
        str[i] = str[j];
        str[j] = temp;
        i++;
        j--;
    }
}

int main(){
    int L, N;
    scanf("%d %d", &L, &N);

    Bookshelf s[N];
    for(int i = 0; i < N; i++){
        scanf("%d %s", &s[i].amount, &s[i].name);
    }

    char book[31][2500];
    int size = 0;
    for(int i = 0; i < N; i++){
        while(s[i].amount > 0){
            strcpy(book[size], s[i].name);
            size++;
            s[i].amount--;
        }
    } 

    for(int i = 0; i < size-1; i++){
        for(int j = 0; j < size-i-1; j++){
            if(book[j][0] > book[j+1][0]){
                char temp[2500]; 
                strcpy(temp, book[j]);
                strcpy(book[j], book[j+1]);
                strcpy(book[j+1], temp);
            }
        }
    }

    for(int i = 0; i < size; i++){
        if(i%2 == 1){
            reverse(book[i]);
        }
    }

    for(int i = 0; i < size; i++){
        printf("+-");
    }
    printf("+\n");

    for(int j = 0; j < L; j++){
        for(int i = 0; i < size; i++){
            printf("|%c", book[i][j]);
        }
        printf("|\n");
    }

    for(int i = 0; i < size; i++){
        printf("+-");
    }
    printf("+\n");

    return 0;
}