int **arr = new int*[length];

for (int i = 0; i < length; i++)

arr[i] = new int[length];


for (int i = 0; i < length; i++)

{

for (int j = 0; j < length; j++)

{

arr[i][j] = rand() % 100;

for (int k = 0; k < i*length + j; k++)

{

if (arr[i][j] == arr[k / length][k%length])

{

j--;

break;

}

}

}

}




바로 이거엿네