c语言蒟蒻求助，太蹊跷了，自己试了很多输入都对的，洛谷只有10分

#include <stdio.h>

int main ()
{
    int mtr[200][200];
    int N;
    int  * ptr;

    for (int i=0; ;i++)
    {
        for (int j=0; ;j++)
        {
            int medium;
            medium = getchar() - 48;
            if (medium == 0 || medium == 1)
            mtr[i][j] = medium;
            else
            {
            N = j;
            break;
            }
        }
        if (i == N-1)
        break;
    }

    int newmtr[N][N];
    for (int i=0;i<N;i++)
    {
        for (int j=0;j<N;j++)
        newmtr[i][j] = mtr[i][j];
    }

    printf ("%d ",N);

    ptr = &newmtr[0][0];
    while (1)
    {
        int count = 1;
        while (*ptr ^ *(ptr+1) == 0)
        {
        count ++;
        ptr ++;
        }
        if (ptr + 1 > newmtr[0] + N*N - 1)
        printf ("%d",count);
        else
        printf ("%d ",count);

        ptr ++;

        if (ptr > newmtr[0] + N*N - 1)
        break;
    }

    return 0;
}