//Print all sub-strings of a string.
#include <stdio.h>
#include <string.h>
 
int main() {
    char str[100];
    int length, i, j, k;
 
    printf("Enter a string: ");
    scanf("%s", str);      // Reads a single word
 
    length = strlen(str);
 
    printf("\nAll substrings are:\n");
 
    // Generate all substrings
    for (i = 0; i < length; i++) {          // Starting index
        for (j = i; j < length; j++) {      // Ending index
            for (k = i; k <= j; k++) {      // Print substring
                printf("%c", str[k]);
            }
            printf("\n");
        }
    }
 
    return 0;
}
 

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