lab/lab13/FileName.c

#include <stdio.h>
#include <Windows.h>

#define NUM_ELEMENTS 20

int arr[NUM_ELEMENTS];
int arrHelp[NUM_ELEMENTS];
int n = 0;

void printElements() {
	printf("< ");
	for (int i = 0; i < n; i++) {
		printf("%d ", arr[i]);
	}
	printf(">\n");
}

void keyboardInput() {
	printf("n = ");
	scanf_s("%d", &n);

	printf("ââåäèòå %d çíà÷åíèÿ: ", n);
	for (int i = 0; i < n; i++) {
		scanf_s("%d", &arr[i]);
	}
}

void oddsX10() {
	for (int i = 0; i < n; i++) {
		if (arr[i] % 2 == 1) {
			arr[i] *= 10;
		}
	}
}

int findMin() {
	int min = arr[0];
	for (int i = 1; i < n; i++) {
		if (arr[i] < min) {
			min = arr[i];
		}
	}
	return min;
}

int findMore10() {
	int count = 0;
	for (int i = 0; i < n; i++) {
		if (arr[i] > 10) {
			count += 1;
		}
	}
	return count;
}

int findLastEven() {
	for (int i = n - 1; i >= 0; i--) {
		if (arr[i] % 2 == 0) {
			return i;
		}
	}
	return 0;
}

int findIndexMin() {
	int min = 0;
	for (int i = 1; i < n; i++) {
		if (arr[i] < arr[min]) {
			min = i;
		}
	}
	return min;
}

int findIndexMax() {
	int max = 0;
	for (int i = 1; i < n; i++) {
		if (arr[i] > arr[max]) {
			max = i;
		}
	}
	return max;
}

void findEvenDigits() {
	int count = 0;
	for (int i = findIndexMin(); i >= 0; i--) {
		if (arr[i] % 2 == 0) {
			count += 1;
		}
	}
	printf("%d ëåâåå ìèíèìàëüíîãî", count);
}

void oddsXMinus1() {
	for (int i = 0; i < n; i++) {
		arr[i] *= -1;
	}
}

void changeDigitLess4() {
	for (int i = 0; i < n; i++) {
		if (arr[i] < 4) {
			arr[i] = 4;
		}
	}
}

void oddsReplace1() {
	for (int i = 0; i < n; i++) {
		arrHelp[i] = arr[i];
	}

	for (int i = 1; i < (n - 1); i++) {
		if ((arrHelp[i - 1] % 2 == 0) && (arrHelp[i + 1] % 2 == 0)) {
			arr[i] = 1;
		}
	}
}

void X10BetweenMinMax() {
	for (int i = findIndexMin() + 1; i < findIndexMax(); i++) {
		arr[i] *= 10;
	}
}

void X100BetweenFirstLastEven() {
	int firstEvenIndex;
	int lastEvenIndex;
	for (int i = 0; i < n; i++) {
		if (arr[i] % 2 == 0) {
			firstEvenIndex = i;
			break;
		}
	}

	for (int i = 0; i < n; i++) {
		if (arr[i] % 2 == 0) {
			lastEvenIndex = i;
		}
	}

	for (int i = firstEvenIndex + 1; i < lastEvenIndex; i++) {
		arr[i] *= 100;
	}
}

void deleteElement(int delIndex) {
	if (delIndex >= 0 && delIndex < n) {
		for (int i = delIndex; i < n; i++) {
			arr[i] = arr[i + 1];
		}
		n--;
	}
}

void insertElement(int insIndex, int value) {
	if (insIndex >= 0 && insIndex < n) {
		for (int i = n; i > insIndex; i--) {
			arr[i] = arr[i - 1];
		}
		arr[insIndex] = value;
		n++;
	}
}

void delMin() {
	int min = findIndexMin();
	for (int i = min; i < n; i++) {
		arr[i] = arr[i + 1];
	}
	n--;
}

void insert0BeforeMin() {
	int min = findIndexMin();
	for (int i = n; i > min; i--) {
		arr[i] = arr[i - 1];
	}
	arr[min] = 0;
	n++;
}

void delAllEven() {
	for (int i = 0; i < n; i++) {
		if (arr[i] % 2 == 0) {
			for (int j = i; j < n; j++) {
				arr[j] = arr[j + 1];
			}
			n--;
		}
	}
}

int indexMaxEven() {
	int flag = 0;
	for (int i = 0; i < n; i++) {
		if (arr[i] % 2 == 0) {
			flag = 1;
			break;
		}	
	}
	if (flag == 1) {
		int max = 0;
		for (int i = 1; i < n; i++) {
			if (arr[i] > arr[max] && arr[i] % 2 == 0) {
				max = i;
			}
		}
		return max;
	}
	printf(" ìàññèâå íåò ÷åòíûõ ÷èñåë");
}

void insAfterMaxEven0() {
	int maxEven = indexMaxEven();
	if (arr[maxEven] % 2 == 0 && arr[maxEven] != 0) {
		for (int i = n; i > maxEven + 1; i--) {
			arr[i] = arr[i - 1];
		}
		arr[maxEven + 1] = 0;
		n++;
	}
}

int main() {
	SetConsoleCP(1251);
	SetConsoleOutputCP(1251);
	int item;
	do {
		printf("\n");
		printf("------------------------------\n");
		printf("Ñîäåðæèìîå ìàññèâà:");
		printElements();
		printf("Âûáåðèòå íóæíóþ âàì îïåðàöèþ:\n");
		printf("1: Ââåñòè ñ êëàâèàòóðû ìàññèâ\n");
		printf("2: x10 äëÿ âñåõ íå÷åòíûõ ýëåìåíòîâ\n");
		printf("3: Íàéòè ìèíèìàëüíûé ýëåìåíò\n");
		printf("4: Ñêîëüêî ýëåìåíòîâ > 10\n");
		printf("5: 2x äëÿ ïîñëåäíåãî ÷åòíîãî\n");
		printf("6: Ñêîëüêî ÷¸òíûõ ëåâåå ìèíèìàëüíîãî\n");
		printf("7: Âñå ÷åòíûå ýëåìåíòû óìíîæèòü íà -1\n");
		printf("8: Âñå ýëåìåíòû < 4 çàìåíèòü íà 4\n");
		printf("9: Âñå íå÷åòíûå ýëåìåíòû çàìåíèòü íà 1\n");
		printf("10: Âñå ýëåìåíòû ìåæäó ìàêñèìàëüíûì è ìèíèìàëüíûì óâåëè÷èòü â 10 ðàç\n");
		printf("11: Âñå ýëåìåíòû ìåæäó ïåðâûì è ïîñëåäíèì ÷åòíûì óâåëè÷èòü â 100 ðàç\n");
		printf("12: Óäàëèòü ýëåìåíò\n");
		printf("13: Âñòàâèòü ýëåìåíò\n");
		printf("14: Óäàëèòü ìèíèìàëüíûé ýëåìåíò\n");
		printf("15: Ïåðåä ìèíèìàëüíûì ýëåìåíòîì âñòàâèòü 0\n");
		printf("16: Óäàëèòü âñå ÷åòíûå ýëåìåíòû\n");
		printf("17: Âñòàâèòü ïîñëå ìàêñèìàëüíîãî èç ÷åòíûõ ýëåìåíòîâ 0\n");
		printf("\n");
		printf("0: Âûéòè èç ïðîãðàììû\n");
		printf("Âûáðàííàÿ îïåðàöèÿ >>>>>> ");
		scanf_s("%d", &item);

		switch(item) {
		case 1:
			keyboardInput();
			break;
		case 2:
			oddsX10();
			break;
		case 3:
		{
			int min = findMin();
			printf("ìèí = %d\n", min);
		}
			break;
		case 4:
		{
			int more10 = findMore10();
			printf("%d ýëåìåíòîâ áîëüøå ÷åì 10\n", more10);
		}
			break;
		case 5:
		{
			int index = findLastEven();
			if (index >= 0) {
				arr[index] *= 2;
			}
		}
			break;
		case 6:
			findEvenDigits();
			break;
		case 7:
			oddsXMinus1();
			break;
		case 8:
			changeDigitLess4();
			break;
		case 9:
			oddsReplace1();
			break;
		case 10:
			X10BetweenMinMax();
			break;
		case 11:
			X100BetweenFirstLastEven();
			break;
		case 12:
		{
			printf("Èíäåêñ óäàëÿåìîãî ýëåìåíòà = ");
			int index;
			scanf_s("%d", &index);

			deleteElement(index);
		}
			break;
		case 13:
		{
			printf("Èíäåêñ âñòàâëÿåìîãî ýëåìåíòà = ");
			int index;
			scanf_s("%d", &index);

			printf("Çíà÷åíèå âñòàâëÿåìîãî ýëåìåíòà = ");
			int value;
			scanf_s("%d", &value);

			insertElement(index, value);
		}
			break;
		case 14:
			delMin();
			break;
		case 15:
			insert0BeforeMin();
			break;
		case 16:
			delAllEven();
			break;
		case 17:
			insAfterMaxEven0();
			break;
		};
	} while (item != 0);
	return 0;
}