92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
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/*
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* C Program to Find the Length of the Longest Repeating Sequence in a String
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*/
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#include <stdio.h>
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#include <string.h>
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char string[100], words[100][100];
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int len = 0, word_cnt = 0;
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int main()
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{
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int i, j = 0, k, mlen = 0, rlen = 0, s = 0, c = 0;
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printf("\nEnter the string");
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scanf(" %[^\n]s", string);
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for (len = 0; string[len] != '\0'; len++);
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/*
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* Storing the individual words in an array
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*/
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for (k = 0; k < len; k++)
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{
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if (string[k] != ' ')
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{
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words[s][j] = string[k];
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j++;
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}
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if (string[k] == ' ')
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{
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words[s][j] = '\0';
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j = 0;
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s++;
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word_cnt++;
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}
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}
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word_cnt++;
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/*
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* Compare on Word basis if same word is repeated then check next word and so on
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* Increment a counter when consecutive words are repeated
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*/
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for (i = 0; i <= word_cnt; i++)
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{
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len = 0;
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for (j = i+1; j <= word_cnt-1; j++)
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{
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if (strcmp(words[i], words[j]) != 0)
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{
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continue;
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}
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else if (strcmp(words[i], words[j]) == 0)
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{
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len++;
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for (k = i+1, m = j+1; k < j; k++, m++)
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{
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if (strcmp(words[k], words[m]) == 0)
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{
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len++;
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continue;
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}
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else
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{
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break;
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}
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}
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if (rlen < len)
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{
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rlen = len;
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len = 0;
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}
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len = 0;
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}
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/*
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* Finding length of Longest Repeated Sequence
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*/
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if (mlen < rlen)
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{
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s = i;
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mlen = rlen;
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}
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}
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}
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printf("\nLength of Longest Repeating Sequence:%d\n", mlen);
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for (i = s, j = 0; j < mlen; i++, j++)
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printf(" %s", words[i]);
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printf("\n");
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}
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/*
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*OUTPUT:
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Enter the string
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Welcome to C Programming Class, Welcome Again to C Programming Class !
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Length of Longest Repeating Sequence:4
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to C Programming Class
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*/
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