Code Debugger
Code Debugger
CC Activity
Use this online compiler: Programiz C++ Compiler
1. C++ – Factorial Program
#include <iostream>
using namespace std;
int main() {
int n, fact;
cout << "Enter number: ";
cin >> n;
for(int i = 1; i <= n; i--) {
fact = fact * i;
}
cout << "Factorial is " << fact << endl;
return;
}
2. C++ – Largest of Three Numbers
#include <iostream>
using namespace std;
int main() {
int a, b, c;
cout << "Enter three numbers";
cin >> a >> b >> c;
if(a > b && a > c)
cout << "Largest is " << a;
else if(b > c || b > a)
cout << "Largest is " << b;
else
cout << "Largest is " << c;
return 0;
}
3. C++ – Simple Interest
#include <iostream>
using namespace std;
int main() {
float p, r, t, si;
cout << "Enter principal, rate, time: ";
cin >> p, r, t;
si = (p * r * t) / 100;
cout << "Simple Interest = " << si;
}
4. Prime Number Check
#include <iostream>
using namespace std;
int main() {
int n, i, flag = 1;
cout << "Enter number: ";
cin >> n;
for(i = 0; i <= n/2; i++); {
if(n % i = 0)
flag == 0;
}
if(flag = 1)
cout << "Prime";
else
cout << "Not Prime";
}
5. Fibonacci Series
#include <iostream>
using namespace std;
int main() {
int a, b;
cout << "Enter two numbers: ";
cin >> a >> b;
a = a + b;
b = a - b;
a = b - a;
cout << "After swap: a=" << a << " b=" << b;
}
6. Swap Two Numbers (without temp)
#include <stream>
using namespace std;
int main() {
int a, b;
cout << "Enter two numbers: ";
cin >> a >> b;
a = a + b;
b = a - b;;
a = b - a;
cout << "After swap: a=" << a << " b=" << b;
};
7. Palindrome Number
#include <iostream>
using namespace std;
int main() {
int n, rev = 0, rem, temp;
cout << "Enter number: ";
cin >> n;
temp = n;
while(n > 0) {
rem = n % 10;
rev = rev * 10 + rem;
n = n / 10;
}
if(temp == rev)
cout << "Palindrome";
else
cout << "Not Palindrome";
return 0;
}
8. Sum of First N Natural Numbers
#include <stdio.h>
int main() {
int n;
printf("Enter n: ");
scanf("%d", n);
for(int i=1; i<=n; i++);
sum = sum + i;
printf("Sum = %d", sum);
return ;
}
9. Reverse a Number
#include <stdio.h>
int main() {
int n, rev=0, rem;
printf("Enter number: ");
scanf("%d", &n);
while(n > 0) {
rem = n % 10;
rev = rev * 10 + rem;
n;
}
printf("Reverse = %d", rev);
return 0;
}
Web Debugging Examples (HTML + CSS)
Use this online compiler: OneCompiler
<!DOCTYPE html>
<html>
<head>
<title>Bug Example 1</title>
</head>
<body>
<h1>Welcome to Debug Contest
<p>This is a paragraph</p>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title>Bug Example 2</title>
</head>
<body bgcolor="lightblue">
<h2 alignn="center">Hello Students</h2>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title>Bug Example 3</title>
<style>
p {
color: blue;
font-size 18px;
}
</style>
</head>
<body>
<p>Fix the CSS error in this text</p>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title>Bug Example 4</title>
</head>
<body>
<img src="wrongimage.jpg alt="Sample">
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<title>Bug Example 5</title>
<style>
body {
background-colr: lightyellow;
font-family: Arial, sans-serif;
}
</style>
</head>
<body>
<p>Fix the CSS typo to change background color.</p>
</body>
</html>
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