Удалить task5.cpp

task1.cpp

@@ -1,21 +1,77 @@
-#include <iostream>
+//#include <iostream>
-#define SIZE 80
+//
-using namespace std;
+//using namespace std;
-
+//
-int main()
+//int main() {
-{
+//	int s;
-    char str[SIZE];
+//	cout << "Size: ";
-    cout << "Input string: ";
+//	cin >> s;
-    cin.getline(str, SIZE);
+//	int t;
-
+//	cout << "Shape (1-left,2-right,3-up,4-down,5-square): ";
-    int i = 0;
+//	cin >> t;
-    while (str[i] != '\0') {
+//	if (s < 1) return 0;
-        if (str[i] == ' ') {
+//	switch (t) {
-            str[i] = '\t';
+//	case 1: {
-        }
+//		int i;
-        ++i;
+//		int j;
-    }
+//		for (i = 1; i <= s; i++) {
-
+//			for (j = 1; j <= i; j++) cout << "*";
-    cout << "Modified string: " << str << endl;
+//			cout << "\n";
-    system("pause");
+//		}
-}
+//		break;
+//	}
+//	case 2: {
+//		int i;
+//		int j;
+//		for (i = 1; i <= s; i++) {
+//			for (j = 1; j <= s - i; j++) cout << " ";
+//			for (j = 1; j <= i; j++) cout << "*";
+//			cout << "\n";
+//		}
+//		break;
+//	}
+//	case 3: {
+//		int i;
+//		int j;
+//		int k;
+//		for (i = 1; i <= s; i++) {
+//			for (j = 1; j <= s - i; j++) cout << " ";
+//			for (k = 1; k <= 2 * i - 1; k++) cout << "*";
+//			cout << "\n";
+//		}
+//		break;
+//	}
+//	case 4: {
+//		int i;
+//		int j;
+//		int k;
+//		for (i = s; i >= 1; i--) {
+//			for (j = 1; j <= s - i; j++) cout << " ";
+//			for (k = 1; k <= 2 * i - 1; k++) cout << "*";
+//			cout << "\n";
+//		}
+//		break;
+//	}
+//	case 5: {
+//		int i;
+//		int j;
+//		int k;
+//		for (i = s; i >= 1; i--) {
+//			for (j = 1; j <= s - i; j++) cout << " ";
+//			for (k = 1; k <= 2 * i - 1; k++) cout << "*";
+//			cout << "\n";
+//		}
+//		for (i = 1; i <= s; i++) {
+//			for (j = 1; j <= s - i; j++) cout << " ";
+//			for (k = 1; k <= 2 * i - 1; k++) cout << "*";
+//			cout << "\n";
+//		}
+//		break;
+//	}
+//	default: {
+//		cout << "Wrong choice\n";
+//		break;
+//	}
+//	}
+//	return 0;
+//}

task2.cpp

@@ -1,53 +1,40 @@
-#pragma warning(disable : 4996)
+//#include <iostream>
-#define SIZE 80
+//
-#include <iostream>
+//using namespace std;
-using namespace std;
+//
-
+//int main() {
-int mystrlen(const char* str) {
+//	long long x;
-    int len = 0;
+//	cout << "Number: ";
-    for (; str[len] != '\0'; ++len) {}
+//	cin >> x;
-    return len;
+//	long long y;
-}
+//	y = llabs(x);
-
+//	if (y == 0) {
-char* mystrcat(char* str1, const char* str2) {
+//		cout << "Digits: 1\n";
-    int i = mystrlen(str1);
+//		cout << "Sum: 0\n";
-    int j;
+//		cout << "Avg: 0\n";
-    for (j = 0; str2[j] != '\0'; ++j) {
+//		cout << "Zeros: 1\n";
-        str1[i + j] = str2[j];
+//		return 0;
-    }
+//	}
-    str1[i + j] = '\0';
+//	int c;
-    return str1;
+//	c = 0;
-}
+//	int s;
-
+//	s = 0;
-char* mystrchr(char* str, char s) {
+//	int z;
-    for (int i = 0; str[i] != '\0'; ++i) {
+//	z = 0;
-        if (str[i] == s) {
+//	while (y > 0) {
-            return &str[i];
+//		int d;
-        }
+//		d = y % 10;
-    }
+//		s += d;
-    return 0;
+//		if (d == 0) z++;
-}
+//		y /= 10;
-
+//		c++;
-int main() {
+//	}
-    char str1[SIZE];
+//	double a;
-    char str2[SIZE];
+//	a = (c == 0) ? 0.0 : (double)s / c;
-    cout << "Input first string: ";
+//	cout << "Digits: " << c << "\n";
-    cin.getline(str1, SIZE);
+//	cout << "Sum: " << s << "\n";
-    cout << "Input second string: ";
+//	cout << "Avg: " << a << "\n";
-    cin.getline(str2, SIZE);
+//	cout << "Zeros: " << z << "\n";
-
+//	return 0;
-    cout << "mystrlen(str1): " << mystrlen(str1) << endl;
+//}
-    cout << "mystrcat(str1, str2): " << mystrcat(str1, str2) << endl;
+//
-
-    char ch;
-    cout << "Input char to search in str1: ";
-    cin >> ch;
-    char* f = mystrchr(str1, ch);
-    if (f) {
-        cout << "mystrchr(str1, '" << ch << "): " << f << endl;
-    }
-    else {
-        cout << "mystrchr(str1, '" << ch << "): 0" << endl;
-    }
-    system("pause");
-}

task3.cpp

@@ -0,0 +1,19 @@
+//#include <iostream>
+//
+//using namespace std;
+//
+//int main() {
+//	int k;
+//	k = 0;
+//	for (int i = 100; i <= 999; i++) {
+//		int a;
+//		a = i / 100;
+//		int b;
+//		b = (i / 10) % 10;
+//		int c;
+//		c = i % 10;
+//		if (a != b && a != c && b != c) k++;
+//	}
+//	cout << k << "\n";
+//	return 0;
+//}

task4.cpp

@@ -1,53 +1,18 @@
-#pragma warning(disable : 4996)
+#include <iostream>
-#define SIZE 80
+
-#include <iostream>
+using namespace std;
-using namespace std;
+
-
+int main() {
-int mystrlen(const char* str) {
+	long long n;
-    int len = 0;
+	cout << "Number: ";
-    for (; str[len] != '\0'; ++len) {}
+	cin >> n;
-    return len;
+	long long m;
-}
+	m = llabs(n);
-
+	if (m == 0) {
-char* mystrcat(char* str1, const char* str2) {
+		cout << "All integers divide 0\n";
-    int i = mystrlen(str1);
+		return 0;
-    int j = mystrlen(str2);
+	}
-    for (int k = 0; k < j; ++k) {
+	for (long long i = 1; i <= m; i++) if (m % i == 0) cout << i << " ";
-        str1[i + k] = str2[k];
+	cout << "\n";
-    }
+	return 0;
-    str1[i + j] = '\0';
-    return str1;
-}
-
-char* mystrchr(char* str, char s) {
-    for (int i = 0; str[i] != '\0'; ++i) {
-        if (str[i] == s) {
-            return &str[i];
-        }
-    }
-    return 0;
-}
-
-int main() {
-    char str1[SIZE];
-    char str2[SIZE];
-    cout << "Input first string: ";
-    cin.getline(str1, SIZE);
-    cout << "Input second string: ";
-    cin.getline(str2, SIZE);
-
-    cout << "mystrlen(str1): " << mystrlen(str1) << endl;
-    cout << "mystrcat(str1, str2): " << mystrcat(str1, str2) << endl;
-
-    char ch;
-    cout << "Input char to search in str1: ";
-    cin >> ch;
-    char* f = mystrchr(str1, ch);
-    if (f) {
-        cout << "mystrchr(str1, '" << ch << "'): " << f << endl;
-    }
-    else {
-        cout << "mystrchr(str1, '" << ch << "'): 0" << endl;
-    }
-    system("pause");
 }