#include <iostream>
#include<time.h>
const int M = 4;
const int cols = 4;// stolbu
void init(int* B, int n);
void print(int* B, int n);
void lab(int* B, int n);

int main()
{
	const int N = 4;
	srand(time(NULL));
	int* B = (int*)malloc(sizeof(int*) * N * M);
	init(B, N);
	print(B, N);
	lab(B, N);
	free(B);
	return 0;
}
void init(int* B, int n){
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < M; j++) {
			B[i * M + j] = rand() % 100;
		}
}
}
void print(int* B, int n) {
	for (int i = 0; i < n; i++) {
		for (int j = 0; j < M; j++) {
			printf("%3d", B[i * M + j]);
		}
		printf("\n");
	}
	printf("\n");
}

void lab(int* B, int rows) {
	int krug = 0; int sum = 0;
	int goright, goleft, goup, godown;
	int flag = 0;

	while(sum!=cols*rows) {
		for (goleft = cols - 1 - krug; goleft > krug; goleft--) {
			printf("%3d", B[cols * (rows - 1 - krug) + goleft]);
			sum++;
		}
		if (sum >= cols * rows) break;
		for (goup = rows - 1 - krug; goup > krug; goup--) {
			printf("%3d", B[cols * goup+krug]);
			sum++;
		}
		if (sum >= cols * rows) break;
		for (goright = krug ; goright < cols - krug - 1; goright++) {
			printf("%3d", B[cols * krug + goright]);
			sum++;
		}
		if (sum >= cols * rows) break;
		for (godown = krug; godown < rows - 1 - krug; godown++) {
			printf("%3d", B[cols-1 +(cols)*godown-krug]);
			sum++;
		}
		if (sum >= cols * rows) break;
		krug++;
	}
}