no of edits.c

#include <stdio.h>
#include <string.h>

#define MAX_LEN 100

int min(int a, int b, int c) {
    if (a < b && a < c) {
        return a;
    } else if (b < c) {
        return b;
    } else {
        return c;
    }
}

int edit_distance(char *str1, char *str2) {
int i,j;
    int m = strlen(str1);
    int n = strlen(str2);
    int dp[m+1][n+1];

    for ( i = 0; i <= m; i++) {
        for ( j = 0; j <= n; j++) {
            if (i == 0) {
                dp[i][j] = j;
            } else if (j == 0) {
                dp[i][j] = i;
            } else if (str1[i-1] == str2[j-1]) {
                dp[i][j] = dp[i-1][j-1];
            } else {
                dp[i][j] = 1 + min(dp[i][j-1], dp[i-1][j], dp[i-1][j-1]);
            }
        }
    }

    return dp[m][n];
}

int main() {
    char str1[MAX_LEN], str2[MAX_LEN];
    printf("Enter the first string: ");
    scanf("%s", str1);
    printf("Enter the second string: ");
    scanf("%s", str2);

    int distance = edit_distance(str1, str2);

    printf("Minimum number of edits required: %d\n", distance);

    return 0;
}