Initial commit

Lab_2/.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

Lab_2/.idea/Lab_2.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module classpath="CMake" type="CPP_MODULE" version="4" />

Lab_2/.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$" />
+</project>

Lab_2/.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/Lab_2.iml" filepath="$PROJECT_DIR$/.idea/Lab_2.iml" />
+    </modules>
+  </component>
+</project>

Lab_2/Lab_2_loops.c

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+#include <stdio.h>
+#include <math.h>
+
+int main() {
+
+    int operation_counter = 0;
+
+    int n;
+
+    printf("Input n (must be a natural number): ");
+    scanf("%d", &n);
+
+    double result = 0;
+
+    operation_counter += 1;  // result = 0
+
+    operation_counter += 2; // for loop
+    for (int i = 1; i <= n; i++)
+    {
+        double denominator = 1;
+        operation_counter += 1; // denominator = 1
+
+        operation_counter += 2; // for loop
+        for (int j = 1; j <= i; j++)
+        {
+            denominator *= j + cos(j);
+            operation_counter += 5; // denominator *= j + cos(j), j <= i, j++
+        }
+
+        double power_of_four = 1;
+        operation_counter += 1; // power_of_four = 1
+
+        operation_counter += 2; // for loop
+        for (int k = 1; k <= i; k++)
+        {
+            power_of_four *= 4;
+            operation_counter += 3; // power_of_four *= 4, k <= i, k++
+        }
+
+        result += (power_of_four - i) / denominator;
+
+        operation_counter += 5; // result += (power_of_four - i) / denominator, i <= n, i++
+    }
+
+    printf("Result = %.7f\n", result);
+    printf("Number of operations = %d\n", operation_counter);
+
+    return 0;
+}

Lab_2/Lab_2_mem.c

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+#include <stdio.h>
+#include <math.h>
+
+int main()
+{
+    int operation_counter = 0;
+
+    int n;
+
+    printf("Input n (must be a natural number): ");
+    scanf("%d", &n);
+
+    double result = 0;
+
+    double denominator = 1;
+    double power_of_four = 1;
+
+    operation_counter += 3; // power_of_four = 1, denominator = 1, result = 0
+
+    operation_counter += 2; // for loop
+    for (int i = 1; i <= n; i++)
+    {
+        denominator *= i + cos(i);
+        power_of_four *= 4;
+
+        result += (power_of_four - i) / denominator;
+        operation_counter += 9; // result += (power_of_four - i) / denominator, power_of_four *= 4, denominator *= i + cos(i), i <= n, i++
+    }
+
+    printf("Result = %.7f\n", result);
+    printf("Number of operations = %d\n", operation_counter);
+
+    return 0;
+}

Lab_2/range.sh

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+#!/bin/bash
+
+for i in {1..5}
+do
+    echo "Bash Brace Expansion: "$i;
+done
+
+for i in $(seq 1 0.5 5)
+do
+    echo "Sequence: "$i;
+done

Lab_2/test.sh

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+#!/bin/bash
+
+for i in {1..10}
+do
+    echo $((5**$i));
+done