Write a program to remove the given character in case of duplicacyFor example, let's say we have s = "Hello", c = 'l', the result will be "Helo"let's say we have s = "Hello World", c = 'l', the result will be "Helo Word"
Question
Write a program to remove the given character in case of duplicacyFor example, let's say we have s = "Hello", c = 'l', the result will be "Helo"let's say we have s = "Hello World", c = 'l', the result will be "Helo Word"
Solution
Here is a simple C program that removes duplicate occurrences of a given character from a string:
#include <stdio.h>
#include <string.h>
void remove_duplicates(char *s, char c) {
int index = 0;
int i;
int len = strlen(s);
int freq[256] = {0};
for(i = 0; i < len; i++) {
char temp = s[i];
if(temp == c && freq[temp] != 0) {
continue;
}
freq[temp]++;
s[index] = s[i];
index++;
}
s[index] = '\0';
}
int main() {
char s1[] = "Hello";
char s2[] = "Hello World";
remove_duplicates(s1, 'l');
remove_duplicates(s2, 'l');
printf("%s\n", s1); // Output: "Helo"
printf("%s\n", s2); // Output: "Helo Word"
return 0;
}
This program works by first initializing an array freq to keep track of the frequency of each character in the string. It then iterates over the string. If it encounters a character that is the one we're removing and its frequency is not zero, it skips it. Otherwise, it increments the frequency of the character, moves the character to the next available position in the string, and increments the index. Finally, it adds a null character at the end of the string to terminate it.
Similar Questions
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