Untitled
unknown
plain_text
2 years ago
12 kB
7
Indexable
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#define MAXLENGTH 11
#define MAXCOUNT 5
typedef char* STRING;
struct Person {
STRING name;
long int birthday[9]; // 8 characters for YYYYMMDD + null terminator
};
int is_valid_date(const char *date) {
// Validate the date format
if (strlen(date) != 8)
return 0;
// Extract year, month, and day
int year, month, day;
if (sscanf(date, "%4d%2d%2d", &year, &month, &day) != 3)
return 0;
// Validate year
if (year < 0 || year > 9999)
return 0;
// Validate month
if (month < 1 || month > 12)
return 0;
// Validate day based on the month
if ((month == 2 && (day < 1 || day > 28)) ||
((month == 4 || month == 6 || month == 9 || month == 11) && (day < 1 || day > 30)) ||
(day < 1 || day > 31))
return 0;
return 1; // Date is valid
}
void display_person(struct Person *person, int entry_count) {
printf("%-10s %-8s Entry count: %d free-address: %p -> %p\n",
person->name, person->birthday, entry_count, person, person->name);
}
int main() {
// Variables
int count = 0;
struct Person people[MAXCOUNT];
STRING nameInput[MAXLENGTH];
STRING intro = "Names Entry and Sorting Program\nPlease input name (max: 5 entries).\n";
STRING nameInputPrompt = " Name (First Last): ";
STRING nameTemplate = "%-10s Entry count: %2d address: %p\n";
STRING sortedNamesTitle = "\nSorted Names:\n";
STRING errorMessage = "Incorrect name format.\n";
STRING errorDateFormatMessage = "Date format error! Please re-enter date (YYYYMMDD).\n";
STRING errorEmptyDateMessage = "Empty date error!\n";
char c;
int length = 0;
int i, j;
// Show introduction text
printf(intro);
// Get names and birthdays
while (count < MAXCOUNT) {
printf(nameInputPrompt);
length = 0;
// Get a name
while ((c = getchar()) != '\n' && c != '0') {
if (length < MAXLENGTH - 1) {
nameInput[length++] = c;
}
}
if (c == '0') {
if (count > 0) {
break; // Display sorted data when '0' is entered after names
} else {
printf("No names entered. Exiting...\n");
return 0;
}
} else if (length > 0) {
nameInput[length] = '\0';
people[count].name = malloc(strlen(nameInput));
assert(people[count].name != NULL);
strcpy(people[count].name, nameInput);
// Get and validate birthday input
while (1) {
printf(" Birthday (YYYYMMDD): ");
scanf("%8s", people[count].birthday);
if (strlen(people[count].birthday) == 0) {
printf(errorEmptyDateMessage);
return 1; // Exit due to empty date
} else if (is_valid_date(people[count].birthday)) {
break; // Date is valid, exit the loop
} else {
printf(errorDateFormatMessage);
}
getchar(); // Consume the newline character left in the buffer
}
display_person(&people[count], count + 1); // Display the person's info
count++;
} else {
printf(errorMessage);
}
}
// Bubble sort the names
for (i = 0; i < count - 1; i++) {
for (j = i + 1; j < count; j++) {
if (strcmp(people[i].name, people[j].name) > 0) {
// Swap the structures
struct Person temp = people[i];
people[i] = people[j];
people[j] = temp;
}
}
}
// Show sorted names and birthdays
printf(sortedNamesTitle);
for (i = 0; i < count; i++) {
display_person(&people[i], i + 1);
free(people[i].name);
}
return 0;
}
***
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#define MAXLENGTH 11
#define MAXCOUNT 5
typedef char* STRING;
struct Person {
STRING name;
char birthday[9]; // 8 characters for YYYYMMDD + null terminator
};
int is_valid_date(const char *date) {
// Validate the date format
if (strlen(date) != 8)
return 0;
// Extract year, month, and day
int year, month, day;
if (sscanf(date, "%4d%2d%2d", &year, &month, &day) != 3)
return 0;
// Validate year
if (year < 0 || year > 9999)
return 0;
// Validate month
if (month < 1 || month > 12)
return 0;
// Validate day based on the month
if ((month == 2 && (day < 1 || day > 28)) ||
((month == 4 || month == 6 || month == 9 || month == 11) && (day < 1 || day > 30)) ||
(day < 1 || day > 31))
return 0;
return 1; // Date is valid
}
void display_person(struct Person *person, int entry_count) {
printf("%-20s %-8s Entry count: %d free-address: %p -> %p\n",
person->name, person->birthday, entry_count, person, person->name);
}
int main() {
// Variables
int count = 0;
struct Person people[MAXCOUNT];
char nameInput[MAXLENGTH];
STRING intro = "Names Entry and Sorting Program\nPlease input name (max: 5 entries).\n";
STRING nameInputPrompt = " Name (First Last): ";
STRING nameTemplate = "%-20s %-8s Entry count: %2d free-address: %p -> %p\n";
STRING sortedNamesTitle = "\nSorted Names:\n";
STRING errorMessage = "Incorrect name format.\n";
STRING errorDateFormatMessage = "Date format error! Please re-enter date (YYYYMMDD).\n";
STRING errorEmptyDateMessage = "Empty date error!\n";
char c;
int length = 0;
int i, j;
// Show introduction text
printf(intro);
// Get names and birthdays
while (count < MAXCOUNT) {
printf(nameInputPrompt);
length = 0;
// Get a name
while ((c = getchar()) != '\n' && c != '0') {
if (length < MAXLENGTH - 1) {
nameInput[length++] = c;
}
}
if (c == '0') {
if (count > 0) {
break; // Display sorted data when '0' is entered after names
} else {
printf("No names entered. Exiting...\n");
return 0;
}
} else if (length > 0) {
nameInput[length] = '\0';
people[count].name = malloc(strlen(nameInput) + 1); // +1 for null terminator
assert(people[count].name != NULL);
strcpy(people[count].name, nameInput);
// Get and validate birthday input
while (1) {
printf(" Birthday (YYYYMMDD): ");
scanf("%8s", people[count].birthday);
if (strlen(people[count].birthday) == 0) {
printf(errorEmptyDateMessage);
return 1; // Exit due to empty date
} else if (is_valid_date(people[count].birthday)) {
break; // Date is valid, exit the loop
} else {
printf(errorDateFormatMessage);
}
getchar(); // Consume the newline character left in the buffer
}
display_person(&people[count], count + 1); // Display the person's info
count++;
} else {
printf(errorMessage);
}
}
// Bubble sort the names
for (i = 0; i < count - 1; i++) {
for (j = i + 1; j < count; j++) {
if (strcmp(people[i].name, people[j].name) > 0) {
// Swap the structures
struct Person temp = people[i];
people[i] = people[j];
people[j] = temp;
}
}
}
// Show sorted names and birthdays
printf(sortedNamesTitle);
for (i = 0; i < count; i++) {
display_person(&people[i], i + 1);
free(people[i].name);
}
return 0;
}
***
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#define MAXLENGTH 11
#define MAXCOUNT 5
typedef char* STRING;
struct Person {
STRING name;
char birthday[9]; // 8 characters for YYYYMMDD + null terminator
};
int is_valid_date(const char *date) {
// Validate the date format
if (strlen(date) != 8)
return 0;
// Extract year, month, and day
int year, month, day;
if (sscanf(date, "%4d%2d%2d", &year, &month, &day) != 3)
return 0;
// Validate year
if (year < 0 || year > 9999)
return 0;
// Validate month
if (month < 1 || month > 12)
return 0;
// Validate day based on the month
if ((month == 2 && (day < 1 || day > 28)) ||
((month == 4 || month == 6 || month == 9 || month == 11) && (day < 1 || day > 30)) ||
(day < 1 || day > 31))
return 0;
return 1; // Date is valid
}
void display_person(struct Person *person, int entry_count) {
printf("%-20s %-8s Entry count: %d free-address: %p -> %p\n",
person->name, person->birthday, entry_count, person, person->name);
}
int main() {
// Variables
int count = 0;
struct Person people[MAXCOUNT];
char nameInput[MAXLENGTH];
STRING intro = "Names Entry and Sorting Program\nPlease input name (max: 5 entries).\n";
STRING nameInputPrompt = " Name (First Last): ";
STRING nameTemplate = "%-20s %-8s Entry count: %2d free-address: %p -> %p\n";
STRING sortedNamesTitle = "\nSorted Names:\n";
STRING errorMessage = "Incorrect name format.\n";
STRING errorDateFormatMessage = "Date format error! Please re-enter date (YYYYMMDD).\n";
STRING errorEmptyDateMessage = "Empty date error!\n";
char c;
int length = 0;
int i, j;
// Show introduction text
printf(intro);
// Get names and birthdays
while (count < MAXCOUNT) {
printf(nameInputPrompt);
length = 0;
// Get a name
while ((c = getchar()) != '\n' && c != '0') {
if (length < MAXLENGTH - 1) {
nameInput[length++] = c;
}
}
if (c == '0') {
if (count > 0) {
break; // Display sorted data when '0' is entered after names
} else {
printf("No names entered. Exiting...\n");
return 0;
}
} else if (length > 0) {
nameInput[length] = '\0';
people[count].name = malloc(strlen(nameInput) + 1); // +1 for null terminator
assert(people[count].name != NULL);
strcpy(people[count].name, nameInput);
// Get and validate birthday input
while (1) {
printf(" Birthday (YYYYMMDD): ");
scanf("%8s", people[count].birthday);
if (strlen(people[count].birthday) == 0) {
printf(errorEmptyDateMessage);
return 1; // Exit due to empty date
} else if (is_valid_date(people[count].birthday)) {
break; // Date is valid, exit the loop
} else {
printf(errorDateFormatMessage);
}
getchar(); // Consume the newline character left in the buffer
}
display_person(&people[count], count + 1); // Display the person's info
count++;
} else {
printf(errorMessage);
}
}
// Bubble sort the names
for (i = 0; i < count - 1; i++) {
for (j = i + 1; j < count; j++) {
if (strcmp(people[i].name, people[j].name) > 0) {
// Swap the structures
struct Person temp = people[i];
people[i] = people[j];
people[j] = temp;
}
}
}
// Show sorted names and birthdays
printf(sortedNamesTitle);
for (i = 0; i < count; i++) {
display_person(&people[i], i + 1);
free(people[i].name);
}
return 0;
}Editor is loading...