From fc99b515d988cbb365af150ec3d83a3529319071 Mon Sep 17 00:00:00 2001
From: Ankit Kumar <ankitkumar@Connected.local>
Date: Thu, 27 Feb 2025 18:30:58 +0530
Subject: [PATCH 1/5] fixed the logical errors and formated the code for better
 readeability

---
 issue1.c | 23 +++++++++++++----------
 issue2.c | 10 ++++++----
 issue3.c | 16 +++++++++-------
 issue4.c | 24 +++++++++++++++---------
 issue5.c | 54 ++++++++++++++++++++++++++++++++----------------------
 issue6.c | 15 ++++++++-------
 issue7.c | 13 +++++++------
 issue8.c | 16 +++++++++-------
 issue9.c |  4 ++--
 9 files changed, 101 insertions(+), 74 deletions(-)

diff --git a/issue1.c b/issue1.c
index 05a1df5..ac79cf7 100644
--- a/issue1.c
+++ b/issue1.c
@@ -1,20 +1,23 @@
-// Make sure the function reverse actually reverses the string
+// Made sure the function reverse actually reverses the string
 
-#include<stdio.h>
-#include<string.h>
-#include<stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
 
-char* reverse(char* str){
-    char* rev = (char*)malloc(sizeof(str));
+char *reverse(char *str)
+{
+    char *rev = (char *)malloc(sizeof(str));
     int size = strlen(str);
-    for(int i=0;i<size;i++){
-        rev[i] = str[i];
+    for (int i = 0; i < size; i++)
+    {
+        rev[size - i - 1] = str[i];
     }
     return rev;
 }
 
-int main(){
-    char* str = "Forward";
+int main()
+{
+    char *str = "Forward";
     str = reverse(str);
     printf("%s\n", str);
 }
\ No newline at end of file
diff --git a/issue2.c b/issue2.c
index 135c3ff..0810f79 100644
--- a/issue2.c
+++ b/issue2.c
@@ -1,11 +1,13 @@
-// Make sure program prints all even numbers from 1 to 40
+// Made sure program prints all even numbers from 1 to 40
 
 #include <stdio.h>
 
-int main(){
+int main()
+{
     int even = 0;
-    for(int i = 0; i <= 20; i++){
-        even *= 2;
+    for (int i = 1; i <= 20; i++)
+    {
+        even += 2;
         printf("%d\t", even);
     }
     printf("\n");
diff --git a/issue3.c b/issue3.c
index 7a9f3df..ad832d3 100644
--- a/issue3.c
+++ b/issue3.c
@@ -1,21 +1,23 @@
-// Make sure the program prints the string correctly
+// Made sure the program prints the string correctly
 
 #include <stdio.h>
 
-int main(){
+int main()
+{
     // Printing all the characters in an array
     char z[] = {'h', 'e', 'l', 'l', 'o', '!'};
 
-    char new[50] = ""; 
+    char new[50] = "";
 
-    for(int i = 0; i < 6; i++){
-        new[i] =  z;
+    for (int i = 0; i < 6; i++)
+    {
+        new[i] = z[i];
     }
 
-    for(int i = 0; i < 6; i++){
+    for (int i = 0; i < 6; i++)
+    {
         printf("%c", new[i]);
     }
     printf("\n");
     return 0;
-
 }
\ No newline at end of file
diff --git a/issue4.c b/issue4.c
index 5fe7765..6421193 100644
--- a/issue4.c
+++ b/issue4.c
@@ -1,11 +1,15 @@
-// Make sure the sorting algorithm is correct
+// Made sure the sorting algorithm is correct
 
 #include <stdio.h>
 
-void sort(int a[], int b){
-    for(int i = 0; i < b; i++){
-        for(int j = 1; j < b; j++){
-            if(a[i] > a[j]){
+void ascending_sort(int a[], int b)
+{
+    for (int i = 0; i < b; i++)
+    {
+        for (int j = i; j < b; j++)
+        {
+            if (a[i] > a[j])
+            {
                 int temp = a[i];
                 a[i] = a[j];
                 a[j] = temp;
@@ -14,12 +18,14 @@ void sort(int a[], int b){
     }
 }
 
-int main(){
+int main()
+{
     // Sort in ascending order
     int numbers[] = {4, 2, 3, 1, 8, 7};
-    sort(numbers, 6);
-    
-    for(int i = 0; i < 6; i++){
+    ascending_sort(numbers, 6);
+
+    for (int i = 0; i < 6; i++)
+    {
         printf("%d", numbers[i]);
     }
 }
\ No newline at end of file
diff --git a/issue5.c b/issue5.c
index 2ff3dd5..2d8225a 100644
--- a/issue5.c
+++ b/issue5.c
@@ -1,29 +1,39 @@
-// Make sure you only get the desired output
+// Made sure you only get the desired output
 
-#include<stdio.h>
-int main(void){
+#include <stdio.h>
+int main(void)
+{
     int flag = 0;
-    
+
     printf("Choose the operation:-\n1. Multiples of 2\n2. Multiples of 3\n3. Multiples of 4\n");
     scanf(" %d", &flag);
 
-    switch(flag){
-        case 1 :
-            for(int i=1;i<6;i++){
-                printf("%d\t", 2*i);
-            }
-            printf("\n");
-        case 2 : 
-            for(int i=1;i<6;i++){
-                printf("%d\t", 3*i);
-            }
-            printf("\n");
-        case 3 : 
-            for(int i=1;i<6;i++){
-                printf("%d\t", 4*i);
-            }
-            printf("\n");
-        default :
-                printf("Choose a valid option!!!\n");
+    switch (flag)
+    {
+    case 1:
+        for (int i = 1; i < 6; i++)
+        {
+            printf("%d\t", 2 * i);
+        }
+        printf("\n");
+        break;
+    case 2:
+        for (int i = 1; i < 6; i++)
+        {
+            printf("%d\t", 3 * i);
+        }
+        printf("\n");
+        break;
+    case 3:
+        for (int i = 1; i < 6; i++)
+        {
+            printf("%d\t", 4 * i);
+        }
+        printf("\n");
+        break;
+
+    default:
+        printf("Choose a valid option!!!\n");
+        break;
     }
 }
\ No newline at end of file
diff --git a/issue6.c b/issue6.c
index 94a0656..37e7080 100644
--- a/issue6.c
+++ b/issue6.c
@@ -1,12 +1,13 @@
-// Make sure the program is working correct logically
+// Made sure the program is working correct logically
 
-#include<stdio.h>
-#include<string.h>
-int main(void){
-    char* str1 = "This is a string";
-    char* str2 = "This is another string";
+#include <stdio.h>
+#include <string.h>
+int main(void)
+{
+    char *str1 = "This is a string";
+    char *str2 = "This is another string";
 
-    if(strcmp(str1, str2))
+    if (!strcmp(str1, str2))
         printf("Strings are same.\n");
     else
         printf("Strings are not same.\n");
diff --git a/issue7.c b/issue7.c
index fc3d230..b6b0b3c 100644
--- a/issue7.c
+++ b/issue7.c
@@ -1,11 +1,12 @@
-// Make sure the output is the correct sum of a and b
+// Made sure the output is the correct sum of a and b
 
-#include<stdio.h>
-#include<stdlib.h>
+#include <stdio.h>
+#include <stdlib.h>
 
-int main(void){
+int main(void)
+{
     int a = 5;
-    int* b = (int*)malloc(sizeof(int));
+    int *b = (int *)malloc(sizeof(int));
     *b = 7;
-    printf("%d\n", (a+b));
+    printf("%d\n", (a + *b));
 }
\ No newline at end of file
diff --git a/issue8.c b/issue8.c
index 4876a9b..bf9fc66 100644
--- a/issue8.c
+++ b/issue8.c
@@ -1,11 +1,13 @@
-// Only print the given string, nothing more
-// Bonus if you don't count the number of characters in the string manually
+// Only printed the given string, nothing more
+// didn't count the number of characters in the string manually
 
-#include<stdio.h>
-#include<string.h>
-int main(void){
-    char* str = "Welcome to IEEE\n";
-    for(int i=0;i<100;i++){
+#include <stdio.h>
+#include <string.h>
+int main(void)
+{
+    char *str = "Welcome to IEEE\n";
+    for (int i = 0; i < strlen(str) - 1; i++)
+    {
         printf("%c", str[i]);
     }
     printf("\n");
diff --git a/issue9.c b/issue9.c
index f28b571..f985ab6 100644
--- a/issue9.c
+++ b/issue9.c
@@ -1,8 +1,8 @@
-// print correct factorial of the variable "num"
+// printed correct factorial of the variable "num"
 
 #include<stdio.h>
 int factorial(int n){
-    if(n == 2)
+    if(n == 1)
         return 1;
     else
         return n*factorial(n-1);

From ce13931d8221e929cbdf29b803bf58bc35805db0 Mon Sep 17 00:00:00 2001
From: Ank-Frost <ankitkumaratserenity@gmail.com>
Date: Sat, 12 Apr 2025 12:46:45 +0530
Subject: [PATCH 2/5] MIni Task 1:  using /proc  to get  system uptime and
 loadavg

---
 proc.sh | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 proc.sh

diff --git a/proc.sh b/proc.sh
new file mode 100644
index 0000000..5196dce
--- /dev/null
+++ b/proc.sh
@@ -0,0 +1,24 @@
+#! /bin/bash
+
+# showinf uptime
+a=($(cat /proc/uptime))
+h=$( echo "${a[0]}/3600" | bc )
+min=$(echo "((${a[0]}%3600)/60)" | bc )
+
+echo "uptime: $h hr and $min min" 
+
+# showing load average 
+l=($(cat /proc/loadavg))
+echo "loadavg"
+for num in {0..2}
+do
+c=$( echo "${l[num]}*100"  | bc )
+
+echo " $c % " 
+done
+echo " running processes/total : ${l[3]} "
+echo " most recent process (ID) : ${l[4]} "
+
+
+
+

From f1c9b2ba912e0be8453a3d74b6472b5cd555415d Mon Sep 17 00:00:00 2001
From: Ank-Frost <ankitkumaratserenity@gmail.com>
Date: Mon, 12 May 2025 02:01:28 +0530
Subject: [PATCH 3/5] made a simple terminal ui yo display current running
 processes using ncurses

---
 .vscode/settings.json                  |   3 ++
 __pycache__/matplotlib.cpython-312.pyc | Bin 0 -> 498 bytes
 a.out                                  | Bin 0 -> 71544 bytes
 makefile                               |   3 ++
 matplotlib.py                          |   9 ++++
 ncurses.cpp                            |  53 +++++++++++++++++++++
 process_view.c                         |  61 +++++++++++++++++++++++++
 7 files changed, 129 insertions(+)
 create mode 100644 .vscode/settings.json
 create mode 100644 __pycache__/matplotlib.cpython-312.pyc
 create mode 100755 a.out
 create mode 100644 makefile
 create mode 100644 matplotlib.py
 create mode 100644 ncurses.cpp
 create mode 100644 process_view.c

diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..6e3efe2
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "C_Cpp.default.compilerPath": "/bin/gcc"
+}
\ No newline at end of file
diff --git a/__pycache__/matplotlib.cpython-312.pyc b/__pycache__/matplotlib.cpython-312.pyc
new file mode 100644
index 0000000000000000000000000000000000000000..c0243a493f0c3d371e767ed179b8043773e4a4c2
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literal 0
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GIT binary patch
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diff --git a/makefile b/makefile
new file mode 100644
index 0000000..1e36859
--- /dev/null
+++ b/makefile
@@ -0,0 +1,3 @@
+all:
+	g++ ncurses.cpp -lncurses
+	./a.out
diff --git a/matplotlib.py b/matplotlib.py
new file mode 100644
index 0000000..c7ceac8
--- /dev/null
+++ b/matplotlib.py
@@ -0,0 +1,9 @@
+import matplotlib.pyplot as pt 
+
+x=[1,2,3,4,5,6,7]
+y=[1,2,3,4,5,6,7]
+
+pt.plot(x,y)
+pt.xlable("x")
+pt.ylable("y")
+pt.show()
\ No newline at end of file
diff --git a/ncurses.cpp b/ncurses.cpp
new file mode 100644
index 0000000..edca5a0
--- /dev/null
+++ b/ncurses.cpp
@@ -0,0 +1,53 @@
+#include <ncurses.h>
+using namespace std;
+
+int main()
+{
+    // initating a terminal window
+    initscr();
+    // to start reciveing input immideateliy but on by default
+    cbreak();
+    // to pritnt to window
+    printw("hello world");
+    printw("enter the pin:");
+    // to hide the keystrokes
+    noecho();
+    for (int i = 0; i < 4; i++)
+    {
+        getch();
+    }
+    // to show the keystrokes
+    echo();
+
+    int height = 10, width = 20, start_y = 1, start_x = 1;
+
+    // created a window
+    WINDOW *win = newwin(height, width, start_y, start_x);
+    //to refresh the window
+    refresh();
+
+    //to add border to created sub window
+    box(win, 0, 0);
+    mvwprintw(win, 1, 1, "frame 1");
+    wrefresh(win);
+
+
+    // getting environment info
+    int y, x, ybeg, xbeg, ymax, xmax;
+    getyx(stdscr, y, x);
+    getmaxyx(stdscr, ymax, xmax);
+    getbegyx(win, ybeg, xbeg);
+
+    move(10, 10);
+    box(win, 10, 10);
+
+    wrefresh(win);
+
+    printw("%d %d %d %d %d %d", y, x, ybeg, xbeg, ymax, xmax);
+    wrefresh(win);
+    getch();
+
+    endwin();
+
+    return 0;
+}
\ No newline at end of file
diff --git a/process_view.c b/process_view.c
new file mode 100644
index 0000000..ec31ec0
--- /dev/null
+++ b/process_view.c
@@ -0,0 +1,61 @@
+#include <ncurses.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define MAX_LINE 1024
+
+void draw_processes(WINDOW *win) {
+    FILE *fp;
+    char line[MAX_LINE];
+    int row = 1;
+
+    werase(win); // Clear window
+    box(win, 0, 0);
+    mvwprintw(win, 0, 2, " Process Viewer(Press E to Exit)");
+    mvwprintw(win, 1, 2, "PID     TTY          TIME     CMD");
+
+    fp = popen("ps -a", "r");
+    if (fp == NULL) {
+        mvwprintw(win, 2, 2, "Failed to run ps command");
+        wrefresh(win);
+        return;
+    }
+
+    fgets(line, sizeof(line), fp); // Skip the header line
+
+    while (fgets(line, sizeof(line), fp) != NULL && row < LINES - 2) {
+        mvwprintw(win, ++row, 2, "%.*s", COLS - 4, line); // prevent overflow
+    }
+
+    pclose(fp);
+    wrefresh(win);
+}
+
+int main() {
+    initscr();
+    noecho();
+    cbreak();
+    curs_set(0);
+    nodelay(stdscr, TRUE);  // Don't block on getch()
+    keypad(stdscr, TRUE);   // Enable function keys
+
+    WINDOW *win = newwin(LINES, COLS, 0, 0);
+    int ch;
+
+    while (1) {
+        draw_processes(win);
+
+        ch = getch(); // Non-blocking key check
+        if (ch == 'E' || ch == 'e') {
+            break;
+        }
+
+        usleep(2000000); // Refresh every 2 seconds
+    }
+
+    delwin(win);
+    endwin();
+    return 0;
+}
+

From b95fe443610b5fa34b7a00fc18bf97127386bb52 Mon Sep 17 00:00:00 2001
From: Ankit Kumar <ankitatserenity@gmail.com>
Date: Mon, 12 May 2025 02:14:44 +0530
Subject: [PATCH 4/5] Rename ncurses.cpp to ncurses.c

---
 ncurses.cpp => ncurses.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 rename ncurses.cpp => ncurses.c (99%)

diff --git a/ncurses.cpp b/ncurses.c
similarity index 99%
rename from ncurses.cpp
rename to ncurses.c
index edca5a0..248afb0 100644
--- a/ncurses.cpp
+++ b/ncurses.c
@@ -50,4 +50,4 @@ int main()
     endwin();
 
     return 0;
-}
\ No newline at end of file
+}

From e6dbcc06b98c7e95a0ecacdea9f2df661ec21e5a Mon Sep 17 00:00:00 2001
From: Ankit Kumar <ankitatserenity@gmail.com>
Date: Mon, 12 May 2025 02:35:39 +0530
Subject: [PATCH 5/5] Update ncurses.c

---
 ncurses.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ncurses.c b/ncurses.c
index 248afb0..8a9f739 100644
--- a/ncurses.c
+++ b/ncurses.c
@@ -1,5 +1,5 @@
 #include <ncurses.h>
-using namespace std;
+
 
 int main()
 {