Initial commit

Lab_2/.idea/.gitignore

@@ -0,0 +1,8 @@
+# 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

@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module classpath="CMake" type="CPP_MODULE" version="4" />

Lab_2/.idea/misc.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$" />
+</project>

Lab_2/.idea/modules.xml

@@ -0,0 +1,8 @@
+<?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

@@ -0,0 +1,49 @@
+#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

@@ -0,0 +1,34 @@
+#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

@@ -0,0 +1,11 @@
+#!/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

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+for i in {1..10}
+do
+    echo $((5**$i));
+done

Lab_3/code.c

@@ -0,0 +1,90 @@
+#include <ncurses.h>
+
+struct vec2 {
+    int x;
+    int y;
+};
+
+struct borders {
+    int top;
+    int bottom;
+    int left;
+    int right;
+};
+
+int main()
+{
+    initscr(); // initialise screen
+    clear(); // clear the empty buffer just in case
+    noecho(); // disable the direct typing to the terminal so it doesn't mess with the application
+
+    // here we define utility variables
+
+    // borders for a pen point
+    struct borders b;
+    b.bottom = LINES;
+    b.top = -1;
+    b.left = -1;
+    b.right = COLS;
+    
+    // pen point position
+    struct vec2 position;
+    position.x = COLS;
+    position.y = LINES - 1;
+
+    // pen point direction
+    struct vec2 direction;
+    direction.x = -1;
+    direction.y = 0;
+    
+    // here we start the drawing
+    for (int i = 0; i < COLS*LINES; i++)
+    {
+        // move & paint
+        position.x += direction.x;
+        position.y += direction.y;
+        mvaddch(position.y, position.x, '*');
+
+        // flush the buffer to show result on the screen
+        refresh();
+        
+        // check if we are about to meet the border
+        if (position.x + direction.x <= b.left) { // if yes, then...
+            // turn right
+            direction.x = 0;
+            direction.y = -1;
+
+            // grab the border and pull it towards us as bit
+            b.bottom--;
+        }
+        // and then repeat for every single border we have...
+        else if (position.y + direction.y <= b.top) {
+            direction.x = 1;
+            direction.y = 0;
+
+            b.left++;
+        }
+        else if (position.x + direction.x >= b.right) {
+            direction.x = 0;
+            direction.y = 1;
+
+            b.top++;
+        }
+        else if (position.y + direction.y >= b.bottom) {
+            direction.x = -1;
+            direction.y = 0;
+
+            b.right--;
+        }
+        
+        // and we wait... wait... wait...
+        napms(20);
+    }
+    
+    // hold the buffer until the keypress
+    getch();
+
+    // finish & cleanup
+    endwin();
+    return 0;
+}

Lab_3/run.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+
+gcc code.c -o code -l ncurses
+./code

Lab_4/code.c

@@ -0,0 +1,129 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+int binary_search(float s_key, int r, int c, float matrix[r][c])
+{
+    short int mid, found;
+    float value;
+
+    found = 0;
+    for (short int i = 0; i < r; i++) {
+
+    short int start = 0;
+    short int end = c - 1;
+
+        while (start <= end) {
+            mid = round((start + end) / 2);
+            value = matrix[i][mid];
+
+            if (value == s_key) {
+                printf("%.3f found at (%d, %d)\n", s_key, i+1, mid+1);
+                found = 1;
+                break;
+
+            } else if (value < s_key) {
+                end = mid - 1;
+            } else {
+                start = mid + 1;
+            }
+        }
+    }
+
+    if (found == 0) {
+        printf("%.3f not found.\n", s_key);
+    } else {
+        return 0;
+    }
+}
+
+void line_pr(short int len)
+{
+    for (short int i = 0; i < len; i++) {
+                printf("-");
+            }
+}
+
+int main ()
+{
+    short int rows, columns, indent, c_indent, line_len;
+    float key, max_num;
+    char cont;
+
+    printf("Input the number of rows and columns separated with a space: ");
+
+    scanf("%hd %hd", &rows, &columns);
+
+    float array[rows][columns];
+
+    for (short int i = 0; i < rows; i++) {
+        for (short int j = 0; j < columns; j++) {
+            printf("Input a value for %hd %hd: ", i, j);
+            scanf("%f", &array[i][j]);
+        }
+    }
+
+    max_num = 0;
+    for (short int i = 0; i < rows; i++) {
+        if(array[i][0] > max_num){
+            max_num = array[i][0];
+        }
+    }
+    indent = floor(log10(fabs(max_num))) + 6;
+
+    if (rows >= columns) {
+        c_indent = floor(log10(rows));
+    } else {
+        c_indent = floor(log10(columns));
+    }
+
+    c_indent +=2;
+    line_len = c_indent + indent * columns + columns * 2 + 1;
+
+    printf("%*c|", c_indent, *" ");
+    for (short int i = 1; i <= columns; i++) {
+        printf("%*d |", indent, i);
+    }
+
+    printf("\n");
+
+    line_pr(line_len);
+
+    printf("\n");
+
+    for (short int i = 0; i < rows; i++) {
+        printf("%*d|", c_indent, i+1);
+        for (short int j = 0; j < columns; j++) {
+            printf("%*.3f |", indent, array[i][j]);
+        }
+
+        printf("\n");
+
+        line_pr(line_len);
+
+        printf("\n");
+    }
+
+    while(1) {
+        
+        printf("Input the element to search for: ");
+        scanf("%f", &key);
+
+        binary_search(key, rows, columns, array);
+
+
+        while (1) {
+            
+            printf("Would you like to search again [y/n]: ");
+            scanf(" %c", &cont);
+
+            if (cont == 'y') {
+                break;
+            } else if (cont == 'n') {
+                return 0;
+            } else {
+                printf("Improper answer, try again.\n");
+            }
+        }
+    }
+}

Lab_4/run.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+gcc code.c -o code -lm
+
+./code

Lab_4/test.py

@@ -0,0 +1,42 @@
+#!/bin/python3
+
+import random
+import time
+import os
+
+#r, c = map(int, input("R c: ").split())
+
+arr_size = 100
+
+arr = [i + round(random.random(), 3) for i in range(arr_size, 0, -5)]
+
+#a = [[ round((random.random() - 0.5) * 20, 3) for i in range(ar_size[0]) ] for j in range(ar_size[1])]
+
+#a = [ [ round((random.random() - 0.5) * 20, 3) for i in range(round(ar_size[0] / 2)) ] * 2 for j in range(ar_size[1]) ]
+
+#a[0][4] = 5
+#a[0][7] = 5
+
+for i in range(5, -1, -1):
+    print(f"Starting in {i}...")
+    time.sleep(1)
+
+'''for i in range(row):
+    for j in range(4):
+        os.system(f"xdotool type --delay 2 -- {i}")
+        os.system("xdotool key Return")'''
+
+map(str, arr)
+
+for i in range(0, 10):
+    for j in range(5):
+        os.system(f"xdotool type --delay 2 -- {arr[i]}")
+        os.system("xdotool key Return")
+#        print(arr[i], end = " ")
+
+    for j in range(5):
+        os.system(f"xdotool type --delay 2 -- {arr[i+1]}")
+        os.system("xdotool key Return")
+#        print(arr[i+1], end = " ")
+
+#    print("\n")

Lab_5/code.c

@@ -0,0 +1,109 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+void line_pr(short int len)
+{
+    for (short int i = 0; i < len; i++) {
+                printf("-");
+            }
+}
+
+int main ()
+{
+    short int rows, columns, indent, c_indent, line_len;
+    int temp;
+
+    printf("Input the number of rows and columns separated with a space: ");
+
+    scanf("%hd %hd", &rows, &columns);
+
+    int array[rows][columns];
+
+    for (short int i = 0; i < rows; i++) {
+        for (short int j = 0; j < columns; j++) {
+            printf("Input a value for %hd %hd: ", i + 1, j + 1);
+            scanf("%d", &array[i][j]);
+        }
+    }
+
+    printf("Matrix before sorting:\n");
+
+    indent = 6;
+
+    if (rows >= columns) {
+        c_indent = floor(log10(rows));
+    } else {
+        c_indent = floor(log10(columns));
+    }
+
+    c_indent +=2;
+    line_len = c_indent + indent * columns + columns * 2 + 1;
+
+    printf("%*c|", c_indent, *" ");
+    for (short int i = 1; i <= columns; i++) {
+        printf("%*d |", indent, i);
+    }
+
+    printf("\n");
+
+    line_pr(line_len);
+
+    printf("\n");
+
+    for (short int i = 0; i < rows; i++) {
+        printf("%*d|", c_indent, i+1);
+        for (short int j = 0; j < columns; j++) {
+            printf("%*d |", indent, array[i][j]);
+        }
+
+        printf("\n");
+
+        line_pr(line_len);
+
+        printf("\n");
+    }
+
+    for (short int i = 2; i < columns; i+=2) {
+
+        temp = array[0][i];
+        short int j = 0;
+
+        while (array[0][j] < temp) {
+            j+=2;
+        }
+
+        for (short int k = i - 2; k >= j; k-=2) {
+            array[0][k+2] = array[0][k];
+        }
+
+        array[0][j] = temp;
+    }
+
+    printf("Matrix after sorting:\n");
+
+    printf("%*c|", c_indent, *" ");
+    for (short int i = 1; i <= columns; i++) {
+        printf("%*d |", indent, i);
+    }
+
+    printf("\n");
+
+    line_pr(line_len);
+
+    printf("\n");
+
+    for (short int i = 0; i < rows; i++) {
+        printf("%*d|", c_indent, i+1);
+        for (short int j = 0; j < columns; j++) {
+            printf("%*d |", indent, array[i][j]);
+        }
+
+        printf("\n");
+
+        line_pr(line_len);
+
+        printf("\n");
+    }
+
+    return 0;
+}

Lab_5/run.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+gcc code.c -o code -lm
+
+./code

Lab_5/test.py

@@ -0,0 +1,48 @@
+#!/bin/python3
+
+import random
+import time
+import os
+
+#r, c = map(int, input("R c: ").split())
+
+#arr_size = 100
+
+arr = [random.randint(0, 100) for i in range(50)]
+
+#a = [[ round((random.random() - 0.5) * 20, 3) for i in range(ar_size[0]) ] for j in range(ar_size[1])]
+
+#a = [ [ round((random.random() - 0.5) * 20, 3) for i in range(round(ar_size[0] / 2)) ] * 2 for j in range(ar_size[1]) ]
+
+#a[0][4] = 5
+#a[0][7] = 5
+
+print(len(arr))
+
+for i in range(5, -1, -1):
+    print(f"Starting in {i}...")
+    time.sleep(1)
+
+map(str, arr)
+
+for i in arr:
+    for j in range(2):
+        os.system(f"xdotool type --delay 2 -- {i}")
+        os.system("xdotool key Return")
+        
+'''
+for i in range(0, 10):
+    for j in range(3):
+        os.system(f"xdotool type --delay 2 -- {arr[i]}")
+        os.system("xdotool key Return")
+#        print(arr[i], end = " ")
+
+    for j in range(3):
+        os.system(f"xdotool type --delay 2 -- {arr[i+1]}")
+        os.system("xdotool key Return")
+#        print(arr[i+1], end = " ")
+    for j in range(3):
+        os.system(f"xdotool type --delay 2 -- {arr[i+2]}")
+        os.system("xdotool key Return")
+
+#    print("\n")'''

MKR/code.c

@@ -0,0 +1,32 @@
+#include <stdio.h>
+#include <math.h>
+
+int main ()
+{
+    double x, power, result;
+    int n, neg_one;
+
+    printf("Input n (must be an integer): ");
+    scanf(" %d", &n);
+
+    printf("Input x (a number with a floating decimal point): ");
+    scanf(" %lf", &x);
+
+    result = 1;
+    neg_one = -1;
+
+    for (int i = 0; i < n; i++) {
+
+        power = pow(x, 2*i + 1);
+
+        neg_one *= -1;
+
+        result *= (power*neg_one) / (2*i + 1);
+    }
+
+//    result_cos *= x;
+
+    printf("Y = %f\n", result);
+    
+    return 0;
+}

MKR/run.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+gcc code.c -o code -lm
+
+./code