#include<conio.h>
#include<stdio.h>
#include<string.h>
void main(){ //abcd are occurs two times in an array
f[30]char f[30]={"abcdabcd"},
name[30]; int i,j,m,n; clrscr(); m=strlen(f); n=m;
for(i=0;i<n;i++)for(j=i+1;j<m;j++) if(f[i]==f[j]){
f[j]='$'; }
j=0;
printf("name=%s",f);
for(i=0;i<m;i++){
if(f[i]!='$'){
name[j]=f[i];j++;
}
}
name[j]='
... C
Topic: Arrays
How to remove duplicate elements from an array?
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Data structuresHow to distinguish between a binary tree and a tree?Allocating memory for a 3-D array#include "alloc.h"#define MAXX 3#define MAXY 4#define MAXZ 5main( ){int ***p, i, j, k ;p = ( int *** ) malloc ( MAXX * sizeof ( int ** ) ) ;for ( i = 0 ; i < MAXX ; i++ ){p[i] = ( int ** ) malloc ( MAXY * sizeof ( int * ) ) ;for ( j = 0 ; j < MAXY ; j++ )p[i][j] = ( int * ) malloc ( MAXZ * sizeof ( int ) ) ;}for ( k = 0 ; k < MAXZ ; k++ ){for ( i = 0 ; i < MAXX ; i++ ){for ( j = 0 ; j < MAXY ; j++ ){p[i][j][k] = i + j + k ;printf ( "%d ", p[i][j][k] ) ;}printf ( "\n" ) ;}printf ( "\n\n" ) ;}}
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