From 9efaabbb2e816b4ea5a0e85eaa70a2e681925e79 Mon Sep 17 00:00:00 2001
From: Vhal <mac@Vhals-MacBook-Air-3.local>
Date: Tue, 8 Aug 2023 20:02:59 +0100
Subject: [PATCH] my first decagon task submission

---
 .DS_Store                   | Bin 0 -> 6148 bytes
 src/.DS_Store               | Bin 0 -> 6148 bytes
 src/brackets/index.js       |  38 +++++++++++++++++++++++++++++++++++-
 src/roman-numerals/index.js |  30 +++++++++++++++++++++++++++-
 src/transpose/index.js      |  13 +++++++++++-
 5 files changed, 78 insertions(+), 3 deletions(-)
 create mode 100644 .DS_Store
 create mode 100644 src/.DS_Store

diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..4a2ea065b74721b5bbe1231e98f690b34b530cef
GIT binary patch
literal 6148
zcmeHKyGjE=6g}f^9;iqP3$fZ>5#tBQ8sZn^0}M$d5wmVErqF783wsM&6+vt)`~XqE
zz(&wd@!pw<naR3A5JbXUm^rg^A9MC>b|(WsR0gdwPy$e-#^}#d_l>ciTgqni%p#%S
z8r^oe){LWGD$-3j1)Ku^Q2~B;eXOC4Jser@Z|>sV^hI&C+UUj&nk$x9Z=YVm$1U66
zn&|I!jBi7MGJ(QyU34%&!&)8Qb2`H0aC!2v{JJSQjMa(a5tHmFiw^?klP5mRq>p_Z
zkFmKL_nTbK7S6Bll^#|NlSx*L&10Q;%;NwtTG+)7A~_nMOILl9Q+^}PO^UVn-F!W-
z%-R;$AH<uy3oCWz?U8baXqqg6(}$7A<n-p<4Sz#A&t#DHn(Ogy<LuW8Xcdcdzpms8
zI0c*n)20A_9|CHOp~gg^{B%$!j{t-|O-rLOpCvda&=_h=6q1Kbs8m9gD)bRUsC1eS
zbX=%0QK-@(^x;G3m4!Z`2)R1d4`et*sL=IJ0jGeifTu1?y#H@!pa1P7cjXjt3QUy(
z!mrk<6}lz8x2A56_u7D3of;d*B?@H<b$UCN1Kx_4s7WJVzyrciW1^5|$lM<RDTC{r
I0)MK&C-%**kN^Mx

literal 0
HcmV?d00001

diff --git a/src/.DS_Store b/src/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..24d61151a95f5c28422c237ea52f2d2d13a8e7c6
GIT binary patch
literal 6148
zcmeHKy-veG4E8~X@}nvvV#*63ng;-dDlDvFWT0s)kZ78U(v2Z20}}7SbMOqzY&-%Z
zpU+m)s-bj32yDssUGD7I_enX&MC3Ztenb=yQ4`A8*v3#JywAEM8@jR!bp9PTG@v`0
z46mYe$=Vi-0b}5|F~Hw$lQO!cF7;^c`|TC^Sdwi$)!F1ll4Qdo<GuF9+y3kE%SpXm
ze=WQ5b(B^y+Z?)utP0AJ*@zCHQ_KfG)1llkm3?sZo&9{ihxfC5SH{STD))7LYR<8R
zJCXSv(S*i0(S!zkLsr?Jza#q^tNEPI9zGtQW6yD|WtHh_%f<Xk1UC7n44`JSG<O7T
zGzN?TV_?Pr-wz>_F;*-E{ndfNw*bHfmc3xky#)J&im_rTh#iO%SD?5$Z84m<V?9*6
zSg{locXHZ%IF0PILvcPj-XD5%a<QO|#(*)f$iSvN23-G7zwZARo$SdNFb4h<1Fn&z
zNe4&L+PZW&uC*cb63W7MrJ#4gpyk+4xD@X}y<jio2{2YH1+fCL9|2E;4aUHaGVlpM
Cih!vA

literal 0
HcmV?d00001

diff --git a/src/brackets/index.js b/src/brackets/index.js
index 96b6766..89cc154 100644
--- a/src/brackets/index.js
+++ b/src/brackets/index.js
@@ -4,6 +4,42 @@
  * @param {string} str The string of brackets.
  * @returns {"valid" | "invalid"} Whether or not the string is valid.
  */
-function isValid(str) {}
+
+
+
+        
+function isValid(str) {
+    
+    const stack = [];
+    let bracketsString = {
+        '(':')',
+        '{':'}',
+        '[':']',
+    };   
+
+    for (let i = 0; i < str.length; i++) {
+        let char = str[i];
+        if (bracketsString[char]) {
+            stack.push(char);
+        } else if (char == ')' || char == '}' || char == ']') {
+            let lastBracket = stack.pop();
+        
+            if (bracketsString[lastBracket] != char) {
+                return "invalid";
+                
+            }
+        }
+    }
+
+   return stack.length == 0 ? "valid" : "invalid"
+    }
+
+    // // Test cases
+    // const testStrings = //"({()}[()]}";
+    // "{{{()[]" ;
+    //console.log(isValid(testStrings))
+    
+    
+
 
 module.exports = isValid;
diff --git a/src/roman-numerals/index.js b/src/roman-numerals/index.js
index 38afb19..4664c94 100644
--- a/src/roman-numerals/index.js
+++ b/src/roman-numerals/index.js
@@ -4,6 +4,34 @@
  * @param {string} roman The all-caps Roman numeral between 1 and 3999 (inclusive).
  * @returns {number} The decimal equivalent.
  */
-function romanToDecimal(roman) {}
+function romanToDecimal(roman) {
+
+    let romanDict = {
+        'I': 1, 'V': 5, 'X': 10, 'L': 50, 'C': 100, 'D': 500, 'M': 1000
+    };
+
+    let decimal = 0;
+    let prevValue = 0;
+
+    for (let i = roman.length - 1; i >= 0; i--) {
+        let symbol = roman[i];
+        let value = romanDict[symbol];
+
+        if (value >= prevValue) {
+            decimal += value;
+        } else {
+            decimal -= value;
+        }
+
+        prevValue = value;
+    }
+
+    return decimal;
+} 
+
+let testCases = "XXIV"//expected: 24  'MCMXCIV', expected: 1994 },
+    // Add more test cases here
+//console.log()
+console.log(romanToDecimal(testCases));
 
 module.exports = romanToDecimal;
diff --git a/src/transpose/index.js b/src/transpose/index.js
index adec201..42c86c9 100644
--- a/src/transpose/index.js
+++ b/src/transpose/index.js
@@ -4,6 +4,17 @@
  * @param {number[]} array The array to transpose
  * @returns {number[]} The transposed array
  */
-function transpose(array) {}
 
+let numberArr = [
+    [5, 12, 17, 9, 3],
+    [13, 4, 8, 14, 1],
+    [9, 6, 3, 7, 21],
+  ];
+
+let newArr = transpose(numberArr);
+
+function transpose(array) {
+return array[0].map((col, i) => array.map(row =>row[i]));
+}
+console.log(newArr)
 module.exports = transpose;