Homework(стат.массивы)

1.
#include <stdio.h>
#include <stdlib.h>

const int N = 3;
const int M = 4;

void print_array(int a[N][M])
{
	for (unsigned int k = 0; k < N; k++)
	{
		printf("\n");
		for (unsigned int j = 0; j < M; j++)
		{
			printf("%d\t", a[k][j]);
		}
	}
	printf("\n");
}

void fill_array(int a[N][M])
{
	for (unsigned int k = 0; k < N; k++)
		for (unsigned int j = 0; j < M; j++)
		{
			a[k][j] = (rand() % 9) + 1;
		}
}
bool check_array(int a, int b[N][M])
{
	for (int j = 0; j < N; j++)
	{
		for (int l = 0; l < M; l++)
		{
			if (a == b[j][l])
			{
				return false;
			}
		}
	}
	return true;
}
void assimilate_arrays(int a[N][M], int b[N][M])
{
	for (int i = 0; i < N; i++)
		for (int k = 0; k < M; k++)
		{
			if (check_array(a[i][k], b))
				{
					printf("%d ", a[i][k]);
				}
		}
}
int main()
{
	int a[N][M];
	int b[N][M];
	fill_array(a);
	fill_array(b);
	print_array(a);
	print_array(b);
	assimilate_arrays(a, b);
	system("pause");
	return 0;
}
2.
#include <stdio.h>
#include <stdlib.h>

const int N = 20;

void fill_array(int a[N])
{
	for (unsigned int j = 0; j < N; j++)
		{
			a[j] = j;
		}
}
void print_array(int a[N])
{
	for (int k = N - 1; k >= 0; k--)
		{
					printf("%d ", a[k]);
		}
	printf("\n");
}
int main()
{
	int a[N];
	fill_array(a);
	print_array(a);
	system("pause");
	return 0;
}
3.
#define _CRT_SECURE_NO_WARNINGS

#include <stdio.h>
#include <stdlib.h>
#include <conio.h>
#include <ctime>

#define N 4
#define M 5
#define K 3

void print_arraya(int a[N][K])
{
	for (unsigned int k = 0; k < N; k++)
	{
		printf("\n");
		for (unsigned int j = 0; j < K; j++)
		{
			printf("%d\t", a[k][j]);
		}
	}
}
void print_arrayb(int a[K][M])
{
	for (unsigned int k = 0; k < K; k++)
	{
		printf("\n");
		for (unsigned int j = 0; j < M; j++)
		{
			printf("%d\t", a[k][j]);
		}
	}
}
void print_arrayc(int a[N][M])
{
	for (unsigned int k = 0; k < N; k++)
	{
		printf("\n");
		for (unsigned int j = 0; j < M; j++)
		{
			printf("%d\t", a[k][j]);
		}
	}
}
void fill_array(int a[N][K])
{
	for (unsigned int k = 0; k < N; k++)
		for (unsigned int j = 0; j < K; j++)
		{
			a[k][j] = (rand() % 9) + 1;
		}
}
void fill_array(int a[K][M])
{
	for (unsigned int k = 0; k < K; k++)
		for (unsigned int j = 0; j < M; j++)
		{
			a[k][j] = (rand() % 9) + 1;
		}
}

void multiply_arrays(int a[N][K], int b[K][M], int c[N][M])
{
	for (int i = 0; i < N; i++)
		for (int k = 0; k < M; k++)
		{
			int summ = 0;
			for (int j = 0; j < K; j++)
			{
				summ += a[i][j] * b[j][k];
			}
			c[i][k] = summ;
		}
}

int main()
{
	//Начальные данные
	int a[N][K];
	int b[K][M];
	int c[N][M];

	fill_array(a);
	fill_array(b);
	print_arraya(a);
	print_arrayb(b);

	//Обработка

	multiply_arrays(a, b, c);
	print_arrayc(c);
	system("pause");
	return 0;
}