main.c
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 |
#include <stdio.h> #include <string.h> int main() { char string[] = "big black bug bit a big black dog on his big black nose"; char words[100][100]; int i = 0, j = 0, k, length, count; //Split the string into words such that each row of array words represents a word for(k=0; string[k]!='\0'; k++){ //Here, i represents row and j represents column of two-dimensional array words if(string[k] != ' ' && string[k] != '\0'){ //Converts the string into lowercase and add it to array words words[i][j++] = tolower(string[k]); } else{ words[i][j] = '\0'; //Increment row count to store new word i++; //Set column count to 0 j = 0; } } //Store row count in variable length length = i+1; printf("Duplicate words in the given string: \n"); for(i = 0; i < length; i++){ count = 1; for(j = i+1; j < length; j++){ if(strcmp(words[i], words[j]) == 0 && (strcmp(words[j],"0") != 0)){ count++; //Set words[j] to 0 to avoid printing visited word strcpy(words[j],"0"); } } //Displays the duplicate word if count is greater than 1 if(count > 1 ) printf("%s\n", words[i]); } return 0; } |
