11 | 12 - 17 | sharafat

solutions/sharafat/11/12.c

@@ -0,0 +1,102 @@
+#include <stdio.h>
+#include <string.h>
+
+struct census
+{
+    char city[20];
+    long int population;
+    float literacy;
+};
+
+void display_city(struct census city[])
+{
+    int i;
+    printf("The details of the cities are:\n");
+    printf(" City\t\tPopulation\tLiteracy rate\n");
+    for (i = 0; i < 5; i++)
+    {
+        printf(" %s\t%ld\t\t%f\n", city[i].city, city[i].population, city[i].literacy);
+    }
+}
+
+void sort_list_alphabetically(struct census city[])
+{
+    int i, j;
+    struct census temp;
+    for (i = 0; i < 5; i++)
+    {
+        for (j = i; j < 5; j++)
+        {
+            if (strcmp(city[i].city, city[j].city) > 0)
+            {
+                temp = city[i];
+                city[i] = city[j];
+                city[j] = temp;
+            }
+        }
+    }
+    display_city(city);
+}
+
+void sort_list_by_population(struct census city[])
+{
+    int i, j;
+    struct census temp;
+    for (i = 0; i < 5; i++)
+    {
+        for (j = i; j < 5; j++)
+        {
+            if (city[i].population > city[j].population)
+            {
+                temp = city[i];
+                city[i] = city[j];
+                city[j] = temp;
+            }
+        }
+    }
+    display_city(city);
+}
+
+void sort_list_by_literacy(struct census city[])
+{
+    int i, j;
+    struct census temp;
+    for (i = 0; i < 5; i++)
+    {
+        for (j = i; j < 5; j++)
+        {
+            if (city[i].literacy > city[j].literacy)
+            {
+                temp = city[i];
+                city[i] = city[j];
+                city[j] = temp;
+            }
+        }
+    }
+    display_city(city);
+}
+
+int main()
+{
+    struct census city[5];
+    int i;
+    for (i = 0; i < 5; i++)
+    {
+        printf("Enter the name of the city: ");
+        scanf("%s", city[i].city);
+        printf("Enter the population of the city: ");
+        scanf("%ld", &city[i].population);
+        printf("Enter the literacy rate of the city: ");
+        scanf("%f", &city[i].literacy);
+    }
+    printf("\n");
+    sort_list_alphabetically(city);
+
+    printf("\n");
+    sort_list_by_literacy(city);
+
+    printf("\n");
+    sort_list_by_population(city);
+
+    return 0;
+}

solutions/sharafat/11/13.c

@@ -0,0 +1,100 @@
+#include <stdio.h>
+
+struct hotel
+{
+    char name[20];
+    int address;
+    int grade;
+    int average_room_charge;
+    int number_of_rooms;
+};
+
+void input_hotel(struct hotel *h, int number)
+{
+    int i;
+    for (i = 0; i < number; i++)
+    {
+        printf("Enter the name of the hotel: ");
+        scanf("%s", h[i].name);
+        printf("Enter the address of the hotel: ");
+        scanf("%d", &h[i].address);
+        printf("Enter the grade of the hotel: ");
+        scanf("%d", &h[i].grade);
+        printf("Enter the average room charge of the hotel: ");
+        scanf("%d", &h[i].average_room_charge);
+        printf("Enter the number of rooms in the hotel: ");
+        scanf("%d", &h[i].number_of_rooms);
+        printf("\n");
+    }
+}
+
+void sort_by_average_room_charge(struct hotel *h, int number)
+{
+    int i, j;
+    struct hotel temp;
+    for (i = 0; i < number; i++)
+    {
+        for (j = i; j < number; j++)
+        {
+            if (h[i].average_room_charge > h[j].average_room_charge)
+            {
+                temp = h[i];
+                h[i] = h[j];
+                h[j] = temp;
+            }
+        }
+    }
+}
+
+void print_specific_grade(struct hotel *h, int number)
+{
+    int grade;
+    printf("Enter the grade: ");
+    scanf("%d", &grade);
+    int i;
+    for (i = 0; i < number; i++)
+    {
+        if (h[i].grade == grade)
+        {
+            printf("\tName: %s\n", h[i].name);
+            printf("\tAddress: %d\n", h[i].address);
+            printf("\tGrade: %d\n", h[i].grade);
+            printf("\tAverage room charge: %d\n", h[i].average_room_charge);
+            printf("\tNumber of rooms: %d\n", h[i].number_of_rooms);
+            printf("\n");
+        }
+    }
+}
+
+void print_charge_less_than(struct hotel *h, int number)
+{
+    int charge;
+    printf("Enter the max charge: ");
+    scanf("%d", &charge);
+    int i;
+    for (i = 0; i < number; i++)
+    {
+        if (h[i].average_room_charge < charge)
+        {
+            printf("\tName: %s\n", h[i].name);
+            printf("\tAddress: %d\n", h[i].address);
+            printf("\tGrade: %d\n", h[i].grade);
+            printf("\tAverage room charge: %d\n", h[i].average_room_charge);
+            printf("\tNumber of rooms: %d\n", h[i].number_of_rooms);
+        }
+    }
+}
+
+int main()
+{
+    int n;
+    printf("Enter the number of hotels: ");
+    scanf("%d", &n);
+    struct hotel h[n];
+    input_hotel(h, n);
+
+    sort_by_average_room_charge(h, n);
+    print_specific_grade(h, n);
+
+    print_charge_less_than(h, n);
+}

solutions/sharafat/11/14.c

@@ -0,0 +1,62 @@
+#include <stdio.h>
+#include <string.h>
+
+struct cricket
+{
+    char player_name[20];
+    char team_name[20];
+    int batting_average;
+};
+
+void input_player(struct cricket *p, int number)
+{
+    int i;
+    for (i = 0; i < number; i++)
+    {
+        printf("Enter the name of the player: ");
+        scanf("%s", p[i].player_name);
+        printf("Enter the name of the team: ");
+        scanf("%s", p[i].team_name);
+        printf("Enter the batting average of the player: ");
+        scanf("%d", &p[i].batting_average);
+        printf("\n");
+    }
+}
+
+void sort_by_team_name(struct cricket *p, int number)
+{
+    int i, j;
+    struct cricket temp;
+    for (i = 0; i < number; i++)
+    {
+        for (j = i; j < number; j++)
+        {
+            if (strcmp(p[i].team_name, p[j].team_name) > 0)
+            {
+                temp = p[i];
+                p[i] = p[j];
+                p[j] = temp;
+            }
+        }
+    }
+}
+
+void print_all_players(struct cricket *p, int number)
+{
+    int i;
+    printf("All players:\n");
+    printf("Player name\tTeam name\tBatting average\n");
+    for (i = 0; i < number; i++)
+    {
+        printf("%s\t\t%s\t\t%d\n", p[i].player_name, p[i].team_name, p[i].batting_average);
+    }
+}
+
+int main()
+{
+    struct cricket player[50]; // make it a lower value to test
+    input_player(player, 50);
+    sort_by_team_name(player, 50);
+    print_all_players(player, 50);
+    return 0;
+}

solutions/sharafat/11/15.c

@@ -0,0 +1,98 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+struct date 
+{
+    int day;
+    int month;
+    int year;
+};
+
+struct student_record
+{
+    char name[20];
+    struct date date_of_birth;
+    int total_marks;
+};
+
+void input_date(struct date *date)
+{
+    printf("Enter date in DD/MM/YYYY format: ");
+    scanf("%d/%d/%d", &date->day, &date->month, &date->year);
+}
+
+void validate_data(struct date *date)
+{
+    if (date->year < 1)
+    {
+        printf("Invalid year\n");
+        exit(1);
+    }
+    if (date->month < 1 || date->month > 12)
+    {
+        printf("Invalid month\n");
+        exit(1);
+    }
+    if ((date->day < 1 || date->day > 31) || (date-> day > 30 && (date->month == 4 || date->month == 6 || date->month == 9 || date->month == 11)) || (date->day > 28 && date->month == 2) || (date->day > 29 && date->month == 2 && (date->year % 4 != 0 || (date->year % 100 == 0 && date->year % 400 != 0))))
+    {
+        printf("Invalid day\n");
+        exit(1);
+    }
+}
+
+
+void print_date(struct date *date)
+{
+    printf("Date: %d/%d/%d\n", date->day, date->month, date->year);
+}
+
+void input_student_record(struct student_record *record)
+{
+    printf("Enter the name of the student: ");
+    scanf("%s", record->name);
+    input_date(&record->date_of_birth);
+    validate_data(&record->date_of_birth);
+    printf("Enter the total marks of the student: ");
+    scanf("%d", &record->total_marks);
+}
+
+void print_student_record(struct student_record *record)
+{
+    printf("Name: %s\n", record->name);
+    print_date(&record->date_of_birth);
+    printf("Total marks: %d\n", record->total_marks);
+}
+
+void sort_by_total_marks(struct student_record *record, int number)
+{
+    int i, j;
+    struct student_record temp;
+    for (i = 0; i < number; i++)
+    {
+        for (j = i; j < number; j++)
+        {
+            if (record[i].total_marks > record[j].total_marks)
+            {
+                temp = record[i];
+                record[i] = record[j];
+                record[j] = temp;
+            }
+        }
+    }
+}
+
+int main()
+{
+    int num = 5;
+    struct student_record record[num];
+    int i;
+    for (i = 0; i < num; i++)
+    {
+        input_student_record(&record[i]);
+    }
+    sort_by_total_marks(record, num);
+    for (i = 0; i < num; i++)
+    {
+        print_student_record(&record[i]);
+    }
+}

solutions/sharafat/11/16.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+
+struct vector
+{
+    int *elements;
+    int size;
+};
+
+int main()
+{
+    struct vector v;
+    printf("The size of the vector is %lu bytes\n", sizeof(v));
+    return 0;
+}