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KRNumber2/KRNumber2/main.c

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+#include <stdio.h>
+#include <stdlib.h>
+#include <locale.h>
+#include <stdbool.h>
+
+int scanOne(void);
+
+void bubbleSort(int arrayEvenNumbered[], int size) {
+	if (arrayEvenNumbered == NULL) {
+		return;
+	}
+	for (int i = 0; i < size; ++i) {
+		for (int j = i + 1; j < size; ++j) {
+			if (arrayEvenNumbered[j] < arrayEvenNumbered[j - 1]) {
+				int temp = arrayEvenNumbered[j - 1];
+				arrayEvenNumbered[j - 1] = arrayEvenNumbered[j];
+				arrayEvenNumbered[j] = temp;
+			}
+		}
+	}
+}
+
+void sortEvenNumberedPositions(int* arrayOut, int size) {
+	int* arrayEvenNumbered = (int*)calloc(size, sizeof(int));
+	if (arrayEvenNumbered == NULL) {
+		return;
+	}
+	int j = 0;
+	for (int i = 0; i < size; ++i) {
+		if (arrayOut[i] % 2 == 0) {
+			arrayEvenNumbered[j] = arrayOut[i];
+			++j;
+		}
+	}
+	bubbleSort(arrayEvenNumbered, j);
+	int k = 0;
+	int i = 0;
+	for (int i = 0; i < size; ++i) {
+		if (arrayOut[i] % 2 == 0) {
+			arrayOut[i] = arrayEvenNumbered[k];
+			++k;
+		}
+	}
+	free(arrayEvenNumbered);
+}
+
+bool test(void) {
+	int arrayOut[5] = { 5, 4, 3, 2, 1 };
+	int arrayNeed[5] = { 5, 2, 3, 4, 1 };
+	sortEvenNumberedPositions(arrayOut, 5);
+	for (int i = 0; i < 5; ++i) {
+		if (arrayOut[i] != arrayNeed[i]) {
+			return false;
+		}
+	}
+	return true;
+}
+
+int main(void) {
+	setlocale(LC_ALL, "RUS");
+	if (test()) {
+		printf("Tests correct\n");
+	}
+	else {
+		printf("Mistake...\n");
+		return -1;
+	}
+	printf("Enter the size of the array\n");
+	int size = scanOne();
+	int* arrayOut = (int*)calloc(size, sizeof(int));
+	if (arrayOut == NULL) {
+		return -1;
+	}
+	printf("Enter the elements\n");
+	for (int i = 0; i < size; ++i) {
+		arrayOut[i] = scanOne();
+	}
+	sortEvenNumberedPositions(arrayOut, size);
+	for (int i = 0; i < size; ++i) {
+		printf("%d ", arrayOut[i]);
+	}
+	free(arrayOut);
+}
+
+int scanOne(void) {
+	int number = 0;
+	int checkScanf = scanf("%d", &number);
+
+	while (checkScanf != 1) {
+		while (getchar() != '\n') {
+		}
+
+		printf("%s", "������... ��������� ������������ ����� \n");
+		checkScanf = scanf("%d", &number);
+	}
+
+	return number;
+}