Create C branch

LICENSE

@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2025 h7x4 <h7x4@nani.wtf>
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.

README.md

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-# Project Euler
-
-This is a private repository for solutions to the [Project Euler](https://projecteuler.net/) excersizes.
-
-Switch branch to find solutions written in different languages.

src/Task2.c

@@ -0,0 +1,35 @@
+
+#include <stdio.h>
+
+int fib(int a) {
+    if(a==0){
+        return 0;
+    }else if(a==1){
+        return 1;
+    } else {
+        return (fib(a-1) + fib(a-2));
+    }
+}
+
+int main()
+{
+
+int count = 0;
+int result = 0;
+
+while(1){
+    int x = fib(count);
+    
+    if(x>4000000){
+        printf("%d", result);
+        break;
+    }
+    
+    if(x%2==0){
+        result = result + x;
+    }
+    count = count+1;
+}
+
+}
+

src/task20.c

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+
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+int isPrime(int n){
+    for(int i=2;i<sqrt(n);i++){
+        if(n%i==0){
+            return 0;
+        }
+    }
+    return 1;
+}
+
+/*Returns amount of primes between 0 and n*/
+int amountPrimes(int n){
+        int x=0;
+
+    for (int i = 2; i < n; i++)
+    {
+        if (isPrime(i)){
+            x+=1;
+        }
+    }
+
+    return x;
+}
+
+/*Returns array with primes between 0 and n*/
+int * primesIn(int n){
+
+    int x = amountPrimes(n);
+
+    int * primes;
+    primes = malloc(sizeof(int)*x);
+    x=0;
+
+    for (int i = 2; i < n; i++)
+    {
+        if (isPrime(i)){
+            primes[x]=i;
+            x+=1;
+        }
+    }
+
+    return primes;
+    
+}
+
+/*Factorial of n*/
+long fact(int n){
+    if (n==1){
+        return 1;
+    } else {
+        return n*fact(n-1);
+    }
+}
+
+/*Retrieves the amount of factors in a number*/
+int factoramount(int n){
+	
+	if (isPrime(n)){
+		return 1;
+	} else {
+        for
+    }
+    
+}
+
+/*Returns array with factors of n*/
+int * factorize(int n){
+	
+	int x = amountPrimes(n);
+
+    int * primes;
+    primes = malloc(sizeof(int)*x);
+
+    if(isPrime(n)) {
+            
+        } else {
+            for (size_t i = 2; i < n; i++)
+            {
+                if (i%j==0)
+                {
+                    
+                }
+            }
+            
+        }
+
+}
+
+
+
+int main(){
+    
+    int * primes = primesIn(100);
+
+    for (size_t i = 0; i < amountPrimes(100); i++){
+        printf("Prime: %d\n", *(primes+i));
+    }
+
+
+    int * factCounter[amountPrimes(100)]
+
+    for (size_t i = 1; i < 100; i++){
+        
+        
+        
+    }
+    
+
+
+    long x = fact(100);
+
+    //SUM OF DIGITS OF X
+
+    printf("%ld\n", x);
+
+}

src/task3.c

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+
+#include <stdio.h>
+#include <math.h>
+
+int isPrime(long n){
+    for(int i=2;i<sqrt(n);i++){
+        if(n%i==0){
+            return 0;
+        }
+    }
+    return 1;
+}
+
+int main()
+{
+    long count=1;
+    int big=0;
+    long number=600851475143;
+
+    while(count<number){
+        if(isPrime(count)){
+            //printf("Prime: %ld \n", count);
+            if (number%count==0){
+                printf("New big: %ld \n", count);
+                big=count;
+            }
+        }
+
+        
+        count+=1;
+    }
+
+    return 0;
+    
+}

src/task4.c

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+#include <stdio.h>
+#include <string.h>
+
+int main(){
+
+    int biggest = 0;
+
+    for (int i = 100; i < 1000; i++)
+    {
+        for (int j = 100; j < 1000; j++)
+        {
+            int x=i*j;
+            int z=x;
+            int y=0;
+
+            while (x != 0)
+            {
+                y = y * 10;
+                y = y + x%10;
+                x = x/10;
+            }
+
+            //printf("%d - %d\n", y, z);
+
+            if (y==z & y>biggest){
+                biggest = z;
+                
+            }
+
+            
+        }
+        
+    }
+
+    printf("%d\n", biggest);
+    
+
+    return 0;
+}

src/task48.c

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+#include <std.io>
+
+int main{
+
+long a=0
+
+for(int i=0;i<=1000;i++){
+a+=(i^i);
+}
+
+printf("%ld", a);
+
+}

src/task5.c

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+
+#include <stdio.h>
+
+int main(){
+
+    int x=5;
+
+    while(1){
+
+
+        for (int i = 2; i <= 20; i++)
+        {
+            if (x%i!=0){
+                break;
+            }
+            if(i==20){
+                printf("%d\n", x);
+                return 0;
+            }
+        }
+        x+=1;
+        
+    }
+
+
+
+    return 0;
+}