C 언어 코딩 도장

어디가 잘못됬는지 잘 모르겠습니다ㅜㅡㅠ

코드 지적 부탁드립니다~!

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include<stdlib.h>
#include<string.h>

int main() {
    int m, n;
    scanf("%d %d", &m, &n);
    char **matrix = malloc(sizeof(char*)*m);
    for (int i = 0; i < m; i++) {
        matrix[i] = malloc(sizeof(char)*(n + 1));
        memset(matrix[i], 0, sizeof(char)*(n + 1));
    }
    for (int i = 0; i < m; i++) {
        scanf("%s", matrix[i]);
    }
    for (int i = 0; i < m; i++) {
        for (int j = 0; j < n; j++) {
            if (matrix[i][j] == '*') {
                continue;
                matrix[i][j] = '0';
            }
        }
    }

    for (int i = 0; i < m; i++) {
        for (int j = 0; j < n; j++) {
            if (matrix[i][j] == '*') {

                for (int y = i - 1; y <= i + 1; y++) {
                    for (int x = j - 1; x <= j + 1; x++) {
                        if (y < 0 || x < 0 || y >= m || x >= n) {
                            continue;
                           
                            matrix[y][x] += 1;

                        }
                    }
                }
                 

            }
        }
    }


    for (int i = 0; i < m; i++) {
        for (int j = 0; j < n; j++) {
            if (matrix[i][j] == '*') {
                printf("*");
            }
            else
            printf("%d", matrix[i][j]);
        }
        printf("\n");
    }


    for (int i = 0; i < m; i++) {
        free(matrix[i]);
    }
    free(matrix);

    return 0;
}