Minihomework2

sem1/TimofeiShirobokih/MiniHomework1/1.cpp

@@ -0,0 +1,8 @@
+#include <iostream>
+
+int main()
+{
+    int a;
+    std::cin >> a;
+    std::cout << a * a;
+}

sem1/TimofeiShirobokih/MiniHomework1/2.cpp

@@ -0,0 +1,9 @@
+#include <iostream>
+
+int main()
+{
+    int a, b, h;
+    std::cin >> a >> b >> h;
+    std::cout << (b + a) * h / 2.0;
+    return 0;
+}

sem1/TimofeiShirobokih/MiniHomework1/3.cpp

@@ -0,0 +1,16 @@
+#include <iostream>
+
+int main() {
+    int a;
+    std::cin >> a;
+    int b[10000];
+    b[0] = 0;
+    b[1] = 1;
+    for (int i = 0; i < a; i++) {
+        if (i >= 2) {
+            b[i] = b[i - 1] + b[i - 2];
+        }
+        std::cout << b[i] << " ";
+    }
+    return 0;
+}

sem1/TimofeiShirobokih/MiniHomework1/4.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+
+int main()
+{
+    int a, b = 0, i = 1, j = 1, c;
+    std::cin >> a;
+    c = a;
+    c /= 10;
+    while(c > 0){
+        c /= 10;
+        j*=10;
+    }
+    while (a > 0) {
+        b += i*(a / j);
+        a %= j;
+        j /= 10;
+        i *= 10;
+    }
+    std::cout << b;
+}

sem1/TimofeiShirobokih/MiniHomework2/1.cpp

@@ -0,0 +1,38 @@
+#include <iostream>
+#include <string>
+
+int main()
+{
+    int num;
+    std::string eight, sixteen = "";
+    std::cout << "Enter number to convert in eight and sixteen system: ";
+    std::cin >> num;
+    for (int x = num; x > 0;) {
+        eight = std::to_string(x % 8) + eight;
+        x /= 8;
+    }
+    for (int x = num; x > 0;) {
+        if (x % 16 > 9) {
+            switch (x % 16) {
+            case 10:
+                sixteen += "A";
+            case 11:
+                sixteen += "B";
+            case 12:
+                sixteen += "C";
+            case 13:
+                sixteen += "D";
+            case 14:
+                sixteen += "E";
+            case 15:
+                sixteen += "F";
+            }
+        }
+        else {
+            sixteen = std::to_string(x % 16) + sixteen;
+        }
+        x /= 16;
+    }
+    std::cout << "Your number in eight system: " << eight << std::endl << "Your number in sixteen system: " << sixteen;
+    return 0;
+}

sem1/TimofeiShirobokih/MiniHomework2/2.cpp

@@ -0,0 +1,17 @@
+#include <iostream>
+
+int main()
+{
+    int num;
+    std::cout << "Enter number to use it on Syracuse hypothesis: ";
+    std::cin >> num;
+    while (num != 1) {
+        if ((num % 2) == 1) {
+            num = num * 3 + 1;
+        }
+        num /= 2;
+        std::cout << "Current number: " << num << std::endl;
+    }
+    std::cout << "Hypothesis is correct";
+    return 0;
+}