Jenin82 · cslab8282 · Aug 18, 2023 · Aug 18, 2023 · Aug 18, 2023 · Aug 18, 2023
diff --git a/.gitignore b/.gitignore
@@ -1 +1,4 @@
-.vscode
+.vscode
+a.out
+**/**/a.out
+**/a.out
diff --git a/B-Tech-S7/WP/embed.html b/B-Tech-S7/WP/embed.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>embed</title>
+</head>
+<body>
+    <script>
+        let n = parseFloat(prompt("Enter the number to find cube"))
+        if(!isNaN(n)){
+            result = document.createElement("div")
+            result.style.fontWeight = "400"
+            result.style.color = "green"
+            result.textContent = n * n * n
+            document.body.appendChild(result)
+        }
+        else {
+            alert("invalid input")
+        }
+    </script>
+</body>
+</html>
diff --git a/B-Tech-S7/WP/form.html b/B-Tech-S7/WP/form.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Form</title>
+</head>
+<body>
+    <form action="https://www.mysite.com/reg.php" method="post">
+        <label for="textbox">Username</label>
+        <input type="text" name="textbox" maxlength="25">
+        <label for="radioBtn">Radio</label>
+        <div>
+            <label><input type="radio" name="radioBtn" value="radio1">Radio 1</label>
+            <label><input type="radio" name="radioBtn" value="radio2">Radio 2</label>
+            <label><input type="radio" name="radioBtn" value="radio3">Radio 3</label>
+        </div>
+        <label for="check">Checkbox</label>
+        <div>
+            <label><input type="checkbox" name="check1" value="check1">Check 1</label>
+            <label><input type="checkbox" name="check2" value="check2">Check 2</label>
+            <label><input type="checkbox" name="check3" value="check3">Check 3</label>
+        </div>
+        <label for="fruit">Select your favorite fruits:</label>
+        <select name="fruit" size="2">
+            <option value="apple">Apple</option>
+            <option value="banana">Banana</option>
+            <option value="cherry">Cherry</option>
+            <option value="grape">Grape</option>
+        </select>
+        <button type="reset">Reset</button>
+        <button type="submit">Submit</button>
+    </form>
+</body>
+</html>
diff --git a/B-Tech-S7/WP/index.html b/B-Tech-S7/WP/index.html
@@ -0,0 +1,32 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>web programming</title>
+</head>
+<body>
+    <form>
+        <input type="text" id="username">
+        <input type="password" id="password">
+        <input type="submit" value="login" onclick="return validate()">
+    </form>
+
+    <script>
+        function validate(){
+            console.log("test")
+            let username = document.getElementById("username").value
+            let password = document.getElementById("password").value
+            if(username.trim()===""){
+                alert("username cannot be blank")
+                return false
+            }
+            if(password.length < 6){
+                alert("Password must be atleast 6 characters")
+                return false
+            }
+            return true;
+        }
+    </script>
+</body>
+</html>
diff --git a/B-Tech-S7/WP/table.html b/B-Tech-S7/WP/table.html
@@ -0,0 +1,45 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Assignment</title>
+</head>
+<body>
+    <style>
+        table{
+            border: 1px dashed black 1px double black;
+        }
+    </style>
+    <table>
+        <tr>
+            <th rowspan="3">Food Item</th>
+            <th colspan="4">Recommended Intake</th>
+        </tr>
+        <tr>
+            <th colspan="2">age&lt;15</th>
+            <th colspan="2">age&gt;15</th>
+        </tr>
+        <tr>
+            <th>gm</th>
+            <th>Kcal</th>
+            <th>gm</th>
+            <th>Kcal</th>
+        </tr>
+        <tr>
+            <th>Cerials</th>
+            <td>1000</td>
+            <td>2000</td>
+            <td>750</td>
+            <td>1760</td>
+        </tr>
+        <tr>
+            <th>NonCerials</th>
+            <td>450</td>
+            <td>800</td>
+            <td>350</td>
+            <td>600</td>
+        </tr>
+    </table>
+</body>
+</html>
diff --git a/B-Tech-S7/chatInter.c b/B-Tech-S7/chatInter.c
@@ -0,0 +1,110 @@
+#include <stdio.h>
+#include <string.h>
+
+int i = 0, j = 0, k = 0, t = 1;
+char str[50], final[10], temp1[5], temp2[5], operator;
+char stack[50]; // Stack to handle operator precedence and parentheses
+int top = -1;
+
+void push(char op) {
+    top++;
+    stack[top] = op;
+}
+
+char pop() {
+    if (top == -1) return '\0'; // Empty stack
+    char op = stack[top];
+    top--;
+    return op;
+}
+
+int precedence(char op) {
+    if (op == '+' || op == '-') return 1;
+    if (op == '*' || op == '/') return 2;
+    return 0; // for '('
+}
+
+void generateIntermediateCode(char op) {
+    char op2 = pop();
+    char op1 = pop();
+    printf("t%d = t%d %c t%d\n", t, t - 1, op2, t - 2);
+    t++;
+    push(op);
+}
+
+int main() {
+    puts("Enter the string");
+    gets(str);
+    while (str[i] != '\0' && str[i] != '=')
+    {
+        final[i] = str[i];
+        i++;
+    }
+    k = i + 1;
+    i = 0;
+    while (str[k] != '\0' && str[k] != '+' && str[k] != '-' && str[k] != '*' && str[k] != '/')
+    {
+        temp1[i] = str[k];
+        i++;
+        k++;
+    }
+    push('='); // Push '=' onto the stack to ensure proper precedence handling
+    operator = str[k];
+    k++;
+    i = 0;
+    while (str[k] != '\0')
+    {
+        for (j = 0; j < 10; j++)
+        {
+            temp2[j] = '\0';
+        }
+        if (str[k] == '(')
+        {
+            push('('); // Push '(' onto the stack
+            k++;
+        }
+        else if (str[k] == ')')
+        {
+            while (top != -1 && stack[top] != '(')
+            {
+                generateIntermediateCode(pop());
+            }
+            if (top == -1) {
+                printf("Invalid expression: Mismatched parentheses\n");
+                break; // Terminate the loop
+            }
+            pop(); // Pop '(' from the stack
+            k++;
+        }
+        else if (str[k] == '+' || str[k] == '-' || str[k] == '*' || str[k] == '/')
+        {
+            while (top != -1 && precedence(stack[top]) >= precedence(str[k]))
+            {
+                generateIntermediateCode(pop());
+            }
+            push(str[k]);
+            k++;
+        }
+        else
+        {
+            i = 0;
+            while (str[k] != '\0' && str[k] != '+' && str[k] != '-' && str[k] != '*' && str[k] != '/' && str[k] != ')')
+            {
+                temp2[i] = str[k];
+                i++;
+                k++;
+            }
+            printf("t%d = %s\n", t, temp2);
+            t++;
+        }
+    }
+    while (top != -1)
+    {
+        if (stack[top] == '(') {
+            printf("Invalid expression: Mismatched parentheses\n");
+            break;
+        }
+        generateIntermediateCode(pop());
+    }
+    return 0;
+}
diff --git a/B-Tech-S7/descentParser.c b/B-Tech-S7/descentParser.c
@@ -0,0 +1,90 @@
+#include<stdio.h>
+#include <ctype.h>
+
+// Production rule
+// E -> TE'
+// E' -> +TE'|3
+// T -> FT'
+// T' -> *FT'|3
+// F -> BF'
+// F' -> /BF'|3
+// B -> (E)|id
+
+char input[100];
+int i=0,error=0;
+
+void E();
+void EPrime();
+void T();
+void TPrime();
+void F();
+void FPrime();
+void B();
+
+void E() {
+    T();
+    EPrime();
+}
+
+void EPrime() {
+    if(input[i] == '+' | input[i] == '-'){
+        i++;
+        T();
+        EPrime();
+    }
+}
+
+void T() {
+    F();
+    TPrime();
+}
+
+void TPrime(){
+    if(input[i] == '*'){
+        i++;
+        F();
+        TPrime();
+    }
+}
+
+void FPrime(){
+    if(input[i] == '/'){
+        i++;
+        B();
+        FPrime();
+    }
+}
+
+void F() {
+    B();
+    FPrime();
+}
+
+void B() {
+    if(isalnum(input[i])){
+        i++;
+    }
+    else if(input[i] == '(') {
+        i++;
+        E();
+        if(input[i] == ')') {
+            i++;
+        }
+        else{
+            error++;
+        }
+    }
+    else {
+        error++;
+    }
+}
+
+void main() {
+    printf("Enter an arithmetic expression: ");
+    fgets(input, sizeof(input), stdin);
+    E();
+    if(error == 0)
+        printf("Approved...");
+    else
+        printf("Rejected...");
+}