84 lines
2.7 KiB
C
84 lines
2.7 KiB
C
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/*
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* C Program to find Longer Repeating Sequence
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*/
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#include <stdio.h>
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#include <string.h>
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void main()
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{
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char s1[100], ar[10][20], ar1[10][20], new[10];
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int i, j = 0, k = 0, l, count = 0, flag = 0, n, temp, len[20];
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printf("\nenter the string:");
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scanf(" %[^\n]s", s1);
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/*COPYING GIVEN STRING TO 2D ARRAY*/
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for (i = 0; s1[i] != '\0'; i++,j++)
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{
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if (s1[i] >= 33 && s1[i] <= 64)
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i++;
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if (s1[i] == ' ')
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{
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ar[k][j] = '\0';
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k++;
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i++;
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j = 0;
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}
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ar[k][j] = s1[i];
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}
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ar[k][j] = '\0';
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/*PLACING THE REPEATED WORDS AND LENGTHS INTO NEW ARRAY*/
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l = 0;
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for (i = 0; i <= k; i++)
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{
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for (j = i + 1; j <= k; j++)
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{
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if (strcmp(ar[i], ar[j]) == 0)
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{
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for (n = 0; n < l && l != 0; n++)
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{
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if (strcmp(ar[i], ar1[k]) == 0)
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{
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flag = 1;
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break;
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}
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}
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if (flag != 1)
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{
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strcpy(ar1[l], ar[i]);
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len[l] = strlen(ar1[l]);
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l++;
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}
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flag = 0;
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break;
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}
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}
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}
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printf("\n");
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/*SORTING IS DONE BASED ON THEIR LENGTHS*/
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for (i = 0; i < l; i++)
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{
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for (j = i + 1; j < l; j++)
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{
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if (len[i] < len[j])
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{
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temp = len[i];
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strcpy(new, ar1[i]);
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len[i] = len[j];
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strcpy(ar1[i], ar1[j]);
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len[j] = temp;
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strcpy(ar1[j], new);
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}
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}
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}
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maxlen = len[0];
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for (i = 0; i < l; i++)
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{
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if (len[i] == maxlen)
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printf("\nthe longer repeating sequence of the given string is: %s", ar1[i]);
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}
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}
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/*
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*OUTPUT:
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enter the string:Welcome to C Programming Class, Welcome Again to C Programming Class!
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the longer repeating sequence of the given string is: Programming
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*/
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