ABC

//
//  main.c
//  Thi Cuối Kỳ
//
//  Created by Vũ Nguyễn Khánh on 5/22/18.
//  Copyright © 2018 Vũ Nguyễn Khánh. All rights reserved.
//

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

typedef struct
{
    int ClassID;
    char CourseName[30];
    char Room[10];
    int Day;
    char Slots[10];
} university;

university a[200];
int n=0,k=0;
void Input()
{
    int m;
    do
    {
        printf("Nhap so luong lop : \n");
        scanf("%d",&m);
    } while(m<1 || m>200);
    n+=m;
    for(int i=0;i<n;i++)
    {
         printf("Nhap thong tin lop can them [%d] \n",i+1);
         printf("ClassID : "); rewind(stdin);
         scanf("%d",&a[i].ClassID);
         printf("CourseName: "); rewind(stdin);
         gets(a[i].CourseName);
         printf("Room : "); rewind(stdin);
         gets(a[i].Room);
        do
        {
            printf("Day :"); rewind(stdin);
            scanf("%d",&a[i].Day);
        } while(a[i].Day<2 &&  a[i].Day>7);
        do
        {
        printf("Slots (?-?) : "); rewind(stdin);
        gets(a[i].Slots);
        } while (a[i].Slots != '-');
    }
    k+=m;
}

void Output()
{
    for(int i=0;i<n;i++)
    {
        printf("\n\n");
        printf("Ma lop \t Ten mon hoc \t Ten phong \t Thu \t Tiet hoc");
        printf("%d \t %s \t %s \t %d \t %s",a[i].ClassID,a[i].CourseName,a[i].Room,a[i].Day,a[i].Slots);
        printf("\n\n");
    }
}

void Search_Room()
{
    char s[10];
    printf("Nhap ten phong muon tim : "); rewind(stdin);
    gets(s);
    for(int i=0;i<n;i++)
    {
        if(strcmp(a[i].Room,s) == 0)
        {
            printf("Ma lop \t Ten mon hoc \t Ten phong \t Thu \t Tiet hoc");
            printf("%d \t %s \t %s \t %d \t %s",a[i].ClassID,a[i].CourseName,a[i].Room,a[i].Day,a[i].Slots);
            printf("\n\n");
            k=0;
        }
        else
        {
            printf("Khong ton tai phong %s trong danh sach.\n",a[i].Room);
        }
    }
}

void Arrange()
{
    university tmp;
    for(int i=0;i<n-1;i++)
        for(int j=i+1;j<n;j++)
        {
            if(a[i].ClassID<a[j].ClassID)
            {
                tmp=a[i];
                a[i]=a[j];
                a[j]=tmp;
            }
        }
    for(int i=0;i<n;i++)
    {
        printf("Ma lop \t Ten mon hoc \t Ten phong \t Thu \t Tiet hoc");
        printf("%d \t %s \t %s \t %d \t %s",a[i].ClassID,a[i].CourseName,a[i].Room,a[i].Day,a[i].Slots);
        printf("\n\n");
    }
}

void Check()
{

    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < n; j++)
        {
            if ((strcmp(a[i].Room, a[j].Room) == 0) && (atoi(a[i].Slots) == atoi(a[j].Slots)) && (a[i].Day = a[j].Day))
                printf("%d", a[i].ClassID);
            break;
        }
    }

}

void Menu()
{
    printf("-----------------MENU-----------------");
    printf("1. Bo sung lop hoc.\n");
    printf("2. In thong tin cac lop.\n");
    printf("3. Tim kiem theo phong.\n");
    printf("4. Sap xep.\n");
    printf("5. Kiem tra trung phong.\n");
    printf("6. Thoat chuong trinh.\n");
}

int Select()
{
    int q;
    printf("Lua chon cua ban: ");
    scanf("%d",&q);
    if(q>0 && q<7)
        return q;
    else return Select();
}

void Option()
{
    while(1)
    {
        int Choose=Select();
        switch(Choose)
        {
            case 1: Input(); break;
            case 2: Output(); break;
            case 3: Search_Room(); break;
            case 4: Arrange(); break;
            case 5: Check(); break;
            case 6: printf("Ket thuc.\n");e xit(1); break;
            default: break;
        }
    }
}

int main()
{
    Menu();
    Select();
    return 0;
}