diff --git a/.cargo/config.toml b/.cargo/config.toml
new file mode 100644
index 0000000..a6b014e
--- /dev/null
+++ b/.cargo/config.toml
@@ -0,0 +1,2 @@
+[build]
+target-dir = "target"
diff --git a/atcoder/beginner_contests/249/a.cpp b/atcoder/beginner_contests/249/a.cpp
new file mode 100644
index 0000000..0ed25e8
--- /dev/null
+++ b/atcoder/beginner_contests/249/a.cpp
@@ -0,0 +1,33 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+
+int main(){
+    ios::sync_with_stdio(0);
+    cin.tie(0);
+
+    int a, b, c, d, e, f, x;
+    cin >> a >> b >> c >> d >> e >> f >> x;
+
+    int t_loops = x / (a + c);
+    int a_loops = x / (d + f);
+
+    int t_rest = x - t_loops * (a + c);
+    int a_rest = x - a_loops * (d + f);
+
+    int taka = t_loops * b * a + b * min(t_rest, a);
+    int aoki = a_loops * e * d + e * min(a_rest, d);
+
+    if(taka > aoki){
+        cout << "Takahashi" << endl;
+    } else if(aoki > taka){
+        cout << "Aoki" << endl;
+    } else{
+        cout << "Draw" << endl;
+    }
+
+    cout << flush;
+
+    return 0;
+}
\ No newline at end of file
diff --git a/atcoder/beginner_contests/249/b.cpp b/atcoder/beginner_contests/249/b.cpp
new file mode 100644
index 0000000..edd124f
--- /dev/null
+++ b/atcoder/beginner_contests/249/b.cpp
@@ -0,0 +1,40 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+
+int main(){
+    ios::sync_with_stdio(0);
+    cin.tie(0);
+
+    string s;
+    cin >> s;
+
+    set<char> seen;
+    bool lower = false, upper = false;
+
+    for(char c : s){
+        if(isupper(c)){
+            upper = true;
+        }
+        else if(islower(c)){
+            lower = true;
+        }
+
+        if(seen.count(c)){
+            cout << "No" << endl;
+            return 0;
+        }
+        seen.insert(c);
+    }
+
+    if(lower && upper){
+        cout << "Yes" << endl;
+    } else{
+        cout << "No" << endl;
+    }
+
+    cout << flush;
+
+    return 0;
+}
\ No newline at end of file
diff --git a/atcoder/beginner_contests/249/c.cpp b/atcoder/beginner_contests/249/c.cpp
new file mode 100644
index 0000000..c2dede1
--- /dev/null
+++ b/atcoder/beginner_contests/249/c.cpp
@@ -0,0 +1,19 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+
+int main(){
+    ios::sync_with_stdio(0);
+    cin.tie(0);
+
+    int n, k;
+
+    cin >> n >> k;
+
+    vector<map<char, int>> s;
+
+    cout << flush;
+
+    return 0;
+}
\ No newline at end of file
diff --git a/atcoder/beginner_contests/249/d.cpp b/atcoder/beginner_contests/249/d.cpp
new file mode 100644
index 0000000..0c03bec
--- /dev/null
+++ b/atcoder/beginner_contests/249/d.cpp
@@ -0,0 +1,25 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+void test_case(int tc){
+
+}
+
+
+
+int main(){
+    ios::sync_with_stdio(0);
+    cin.tie(0);
+
+    int t;
+    cin >> t;
+
+    for(int tc = 1; tc <= t; ++tc){
+        test_case(tc);
+    }
+
+    cout << flush;
+
+    return 0;
+}
\ No newline at end of file
diff --git a/atcoder/beginner_contests/249/e.cpp b/atcoder/beginner_contests/249/e.cpp
new file mode 100644
index 0000000..0c03bec
--- /dev/null
+++ b/atcoder/beginner_contests/249/e.cpp
@@ -0,0 +1,25 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+void test_case(int tc){
+
+}
+
+
+
+int main(){
+    ios::sync_with_stdio(0);
+    cin.tie(0);
+
+    int t;
+    cin >> t;
+
+    for(int tc = 1; tc <= t; ++tc){
+        test_case(tc);
+    }
+
+    cout << flush;
+
+    return 0;
+}
\ No newline at end of file
diff --git a/atcoder/beginner_contests/249/ex.cpp b/atcoder/beginner_contests/249/ex.cpp
new file mode 100644
index 0000000..0c03bec
--- /dev/null
+++ b/atcoder/beginner_contests/249/ex.cpp
@@ -0,0 +1,25 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+void test_case(int tc){
+
+}
+
+
+
+int main(){
+    ios::sync_with_stdio(0);
+    cin.tie(0);
+
+    int t;
+    cin >> t;
+
+    for(int tc = 1; tc <= t; ++tc){
+        test_case(tc);
+    }
+
+    cout << flush;
+
+    return 0;
+}
\ No newline at end of file
diff --git a/atcoder/beginner_contests/249/f.cpp b/atcoder/beginner_contests/249/f.cpp
new file mode 100644
index 0000000..0c03bec
--- /dev/null
+++ b/atcoder/beginner_contests/249/f.cpp
@@ -0,0 +1,25 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+void test_case(int tc){
+
+}
+
+
+
+int main(){
+    ios::sync_with_stdio(0);
+    cin.tie(0);
+
+    int t;
+    cin >> t;
+
+    for(int tc = 1; tc <= t; ++tc){
+        test_case(tc);
+    }
+
+    cout << flush;
+
+    return 0;
+}
\ No newline at end of file
diff --git a/atcoder/beginner_contests/249/g.cpp b/atcoder/beginner_contests/249/g.cpp
new file mode 100644
index 0000000..0c03bec
--- /dev/null
+++ b/atcoder/beginner_contests/249/g.cpp
@@ -0,0 +1,25 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+void test_case(int tc){
+
+}
+
+
+
+int main(){
+    ios::sync_with_stdio(0);
+    cin.tie(0);
+
+    int t;
+    cin >> t;
+
+    for(int tc = 1; tc <= t; ++tc){
+        test_case(tc);
+    }
+
+    cout << flush;
+
+    return 0;
+}
\ No newline at end of file
diff --git a/atcoder/beginner_contests/abc042/Cargo.lock b/atcoder/beginner_contests/abc042/Cargo.lock
new file mode 100644
index 0000000..1174a44
--- /dev/null
+++ b/atcoder/beginner_contests/abc042/Cargo.lock
@@ -0,0 +1,25 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "abc042"
+version = "0.1.0"
+dependencies = [
+ "proconio",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "proconio"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91c333be3af2936f8e810300bc74fe4d0cc168ebc04ab02a28c5b1060fa1bd59"
+dependencies = [
+ "lazy_static",
+]
diff --git a/atcoder/beginner_contests/abc042/Cargo.toml b/atcoder/beginner_contests/abc042/Cargo.toml
new file mode 100644
index 0000000..00edab5
--- /dev/null
+++ b/atcoder/beginner_contests/abc042/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "abc042"
+version = "0.1.0"
+edition = "2021"
+
+# dependencies added to new project
+[dependencies]
+proconio = "0.4.3"
+
+[profile.release]
+lto = true
+panic = 'abort'
diff --git a/atcoder/beginner_contests/abc042/src/bin/a.rs b/atcoder/beginner_contests/abc042/src/bin/a.rs
new file mode 100644
index 0000000..b81c519
--- /dev/null
+++ b/atcoder/beginner_contests/abc042/src/bin/a.rs
@@ -0,0 +1,11 @@
+use proconio::input;
+
+fn main() {
+    input!{
+        mut abc: [u8; 3],
+    };
+    abc.sort();
+    let ans = abc == vec![5, 5, 7];
+
+    println!("{}", if ans {"YES"} else {"NO"});
+}
diff --git a/atcoder/beginner_contests/abc042/src/bin/b.rs b/atcoder/beginner_contests/abc042/src/bin/b.rs
new file mode 100644
index 0000000..8a97063
--- /dev/null
+++ b/atcoder/beginner_contests/abc042/src/bin/b.rs
@@ -0,0 +1,14 @@
+use proconio::input;
+
+fn main() {
+    input!{
+        n: u8,
+        _l: u8,
+        mut s: [String; n],
+    };
+
+    s.sort();
+    for substring in s {
+        print!("{}", substring);
+    }
+}
diff --git a/atcoder/beginner_contests/abc042/src/bin/c.rs b/atcoder/beginner_contests/abc042/src/bin/c.rs
new file mode 100644
index 0000000..004dfe0
--- /dev/null
+++ b/atcoder/beginner_contests/abc042/src/bin/c.rs
@@ -0,0 +1,40 @@
+use proconio::input;
+
+fn check_number(n: u32, likes: &[bool; 10]) -> bool {
+    let mut result = true;
+
+    let mut m = n;
+    while m > 0 {
+        let l = m % 10;
+
+        if !likes[l as usize] {
+            result = false;
+            break;
+        }
+
+        m /= 10;
+    }
+
+    result
+}
+
+fn main() {
+    input!{
+        mut n: u32,
+        k: u32,
+        d: [u32; k],
+    };
+
+    let mut likes = [true; 10];
+    for dislike in d {
+        likes[dislike as usize] = false;
+    }
+
+    let mut check = false;
+    while !check {
+        check = check_number(n, &likes);
+        n += 1;
+    }
+
+    print!("{}", n - 1);
+}
diff --git a/atcoder/beginner_contests/abc042/src/bin/d.rs b/atcoder/beginner_contests/abc042/src/bin/d.rs
new file mode 100644
index 0000000..5de5197
--- /dev/null
+++ b/atcoder/beginner_contests/abc042/src/bin/d.rs
@@ -0,0 +1,43 @@
+use proconio::input;
+
+const MAX: u128 = u128::pow(10, 9) + 7;
+
+fn main() {
+    input!{
+        h: u128,
+        w: u128,
+        a: u128,
+        b: u128,
+    };
+
+    // Ok it seems like this way is too naive for this problem and I actually have
+    // to do some magic with combinations or something else I haven't even thought of
+
+    // But I don't think you can do combinations because you need to divide big numbers
+    // and you can't do that with modulo iirc
+
+    let mut dp = vec![vec![0; w as usize]; h as usize];
+    for i in 0..(h-a) {
+        dp[i as usize][0] = 1;
+    }
+    for j in 0..w {
+        dp[0][j as usize] = 1;
+    }
+
+    for i in 1..h {
+        for j in 1..w {
+            if !(i >= h - a && j < b) {
+                dp[i as usize][j as usize] = (dp[(i - 1) as usize][j as usize] + dp[i as usize][(j - 1) as usize]) % MAX;
+            }
+        }
+    }
+
+    // for row in &dp {
+    //     for cell in row {
+    //         print!("{} ", {cell});
+    //     }
+    //     print!("\n");
+    // }
+
+    println!("{}", {dp[(h-1) as usize][(w-1) as usize]});
+}
\ No newline at end of file
diff --git a/atcoder/beginner_contests/abc043/Cargo.lock b/atcoder/beginner_contests/abc043/Cargo.lock
new file mode 100644
index 0000000..9bfa4f3
--- /dev/null
+++ b/atcoder/beginner_contests/abc043/Cargo.lock
@@ -0,0 +1,25 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "abc043"
+version = "0.1.0"
+dependencies = [
+ "proconio",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "proconio"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91c333be3af2936f8e810300bc74fe4d0cc168ebc04ab02a28c5b1060fa1bd59"
+dependencies = [
+ "lazy_static",
+]
diff --git a/atcoder/beginner_contests/abc043/Cargo.toml b/atcoder/beginner_contests/abc043/Cargo.toml
new file mode 100644
index 0000000..850bbbf
--- /dev/null
+++ b/atcoder/beginner_contests/abc043/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "abc043"
+version = "0.1.0"
+edition = "2021"
+
+# dependencies added to new project
+[dependencies]
+proconio = "0.4.3"
+
+[profile.release]
+lto = true
+panic = 'abort'
diff --git a/atcoder/beginner_contests/abc043/src/bin/a.rs b/atcoder/beginner_contests/abc043/src/bin/a.rs
new file mode 100644
index 0000000..e169df4
--- /dev/null
+++ b/atcoder/beginner_contests/abc043/src/bin/a.rs
@@ -0,0 +1,11 @@
+use proconio::input;
+
+fn main() {
+    input!{
+        n: u32,
+    };
+
+    let result = n * (n + 1) / 2;
+
+    println!("{}", {result});
+}
diff --git a/atcoder/beginner_contests/abc043/src/bin/b.rs b/atcoder/beginner_contests/abc043/src/bin/b.rs
new file mode 100644
index 0000000..4110e51
--- /dev/null
+++ b/atcoder/beginner_contests/abc043/src/bin/b.rs
@@ -0,0 +1,21 @@
+use proconio::input;
+
+fn main() {
+    input!{
+        s: String,
+    };
+
+    let mut result = String::new();
+
+    for c in s.chars() {
+        if c == '0' {
+            result.push('0');
+        } else if c == '1' {
+            result.push('1');
+        } else {
+            result.pop();
+        }
+    }
+
+    println!("{}", {result});
+}
diff --git a/atcoder/beginner_contests/abc043/src/bin/c.rs b/atcoder/beginner_contests/abc043/src/bin/c.rs
new file mode 100644
index 0000000..c6efd2f
--- /dev/null
+++ b/atcoder/beginner_contests/abc043/src/bin/c.rs
@@ -0,0 +1,28 @@
+use proconio::input;
+
+fn cost(target: i32, numbers: &[i32]) -> i32 {
+    let mut result = 0;
+
+    for n in numbers {
+        result += (target - n) * (target - n)
+    }
+
+    result
+}
+
+fn main() {
+    input!{
+        n: i32,
+        a: [i32; n],
+    };
+
+    let mut min = std::i32::MAX;
+    for t in -100..=100 {
+        let r = cost(t, &a);
+        if r < min {
+            min = r;
+        }
+    }
+
+    println!("{}", {min});
+}
diff --git a/atcoder/beginner_contests/abc043/src/bin/d.rs b/atcoder/beginner_contests/abc043/src/bin/d.rs
new file mode 100644
index 0000000..0dd3e0c
--- /dev/null
+++ b/atcoder/beginner_contests/abc043/src/bin/d.rs
@@ -0,0 +1,44 @@
+use proconio::input;
+
+fn main() {
+    input!{
+        s: String,
+    };
+
+    let mut cs = s.chars();
+    let l = s.len();
+
+    if l == 2 {
+        let a = cs.next().unwrap();
+        let b = cs.next().unwrap();
+
+        if a == b {
+            println!("1 2");
+        } else{    
+            println!("-1 -1");
+        }
+
+        return
+    }
+
+    let mut past_chars = [' '; 3];
+    past_chars[1] = cs.next().unwrap();
+    past_chars[2] = cs.next().unwrap();
+
+    for i in 2..l {
+        past_chars[0] = past_chars[1];
+        past_chars[1] = past_chars[2];
+        past_chars[2] = cs.next().unwrap();
+
+        let mut sorting = [' '; 3];
+        sorting.copy_from_slice(&past_chars);
+        sorting.sort();
+
+        if sorting[0] == sorting[1] || sorting[1] == sorting[2] {
+            println!("{} {}", {i-1}, {i+1});
+            return;
+        }
+    }
+
+    println!("-1 -1");
+}
diff --git a/projecteuler/081/main.cpp b/projecteuler/081/main.cpp
index c12afe4..fe56779 100644
--- a/projecteuler/081/main.cpp
+++ b/projecteuler/081/main.cpp
@@ -7,8 +7,51 @@ int main(){
     cout << "Hello this is Patrick" << endl;
     auto start = chrono::high_resolution_clock::now();
 
-    // Insert code here
+    // I imagine we have to do something with memoization, building up the cheapest path from
+    // the bottom right corner up to the top left corner
 
+    // First read the matrix file
+
+    vector<vector<long long>> matrix(80);
+
+    ifstream matrixFile("matrix.txt");
+
+    for(int i = 0; i < 80; ++i){
+        for(int j = 0; j < 80; ++j){
+            int n;
+            matrixFile >> n;
+
+            matrix[i].push_back(n);
+
+            if(j != 79){
+                char c;
+                matrixFile >> c;
+            }
+        }
+    }
+
+    vector<vector<long long>> dp(80);
+    for(int i = 0; i < 80; ++i){
+        for(int j = 0; j < 80; ++j){
+            dp[i].push_back(-1);
+        }
+    }
+
+    dp[79][79] = matrix[79][79];
+    for(int i = 78; i >= 0; --i){
+        dp[i][79] = matrix[i][79] + dp[i+1][79];
+    }
+    for(int j = 78; j >= 0; --j){
+        dp[79][j] = matrix[79][j] + dp[79][j+1];
+    }
+
+    for(int i = 78; i >= 0; --i){
+        for(int j = 78; j >= 0; --j){
+            dp[i][j] = matrix[i][j] + min(dp[i+1][j], dp[i][j+1]);
+        }
+    }
+
+    cout << dp[0][0] << endl;
     auto duration = chrono::duration_cast<chrono::milliseconds>(chrono::high_resolution_clock::now() - start);
     cout << (float)duration.count()/1000 << endl;
     return 0;