55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
|
#include <ctype.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <strings.h>
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
char string1[50], string2[50];
|
||
|
|
printf("String 1: ");
|
||
|
|
scanf("%s", string1);
|
||
|
|
printf("String 2: ");
|
||
|
|
scanf("%s", string2);
|
||
|
|
|
||
|
|
// Count how many letters in string 1
|
||
|
|
int count = 0;
|
||
|
|
for (int i = 0; i<(int)(sizeof(string1)/sizeof(*string1)); i++) {
|
||
|
|
if(isalpha(string1[i])) count++;
|
||
|
|
}
|
||
|
|
printf("Letters in string 1: %d\n", count);
|
||
|
|
|
||
|
|
// Count how many uppercase letters in string 2
|
||
|
|
count = 0;
|
||
|
|
for (int i = 0; i<(int)(sizeof(string2)/sizeof(*string2)); i++) {
|
||
|
|
if(isupper(string2[i])) count++;
|
||
|
|
}
|
||
|
|
printf("Uppercase in string 2: %d\n", count);
|
||
|
|
|
||
|
|
|
||
|
|
// Convert both strings to lowercase
|
||
|
|
for (int i = 0; i<(int)(sizeof(string1)/sizeof(*string1)); i++) {
|
||
|
|
if(isupper(string1[i])) string1[i] = tolower(string1[i]);
|
||
|
|
}
|
||
|
|
for (int i = 0; i<(int)(sizeof(string2)/sizeof(*string2)); i++) {
|
||
|
|
if(isupper(string2[i])) string2[i] = tolower(string2[i]);
|
||
|
|
}
|
||
|
|
printf("String 1 to lower: %s\nString 2 to lower: %s\n", string1, string2);
|
||
|
|
|
||
|
|
if (strcmp(string1, string2) < 0) {
|
||
|
|
printf("Strings are different\nOrdered alphabetically: %s, %s", string1, string2);
|
||
|
|
} else if (strcmp(string1, string2) > 0) {
|
||
|
|
printf("Strings are different\nOrdered alphabetically: %s, %s", string2, string1);
|
||
|
|
} else {
|
||
|
|
printf("Strings are equal");
|
||
|
|
}
|
||
|
|
|
||
|
|
// create a copy of string2 with name string3
|
||
|
|
char string3[50];
|
||
|
|
strcpy(string3, string2);
|
||
|
|
|
||
|
|
// concatenate string2 and string3
|
||
|
|
strcat(string2, string3);
|
||
|
|
printf("\nConcatenated string2 and string3: %s", string2);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|