From f16cd04a3ca1e3e6244cabe5a493c1e176b96805 Mon Sep 17 00:00:00 2001
From: ANYIDOLLAR <anyidollar@wikiwoos-MacBook-Air.local>
Date: Mon, 7 Aug 2023 21:33:26 +0100
Subject: [PATCH] this is my first mini-challenge

---
 .DS_Store                   | Bin 0 -> 6148 bytes
 src/.DS_Store               | Bin 0 -> 6148 bytes
 src/brackets/index.js       |  31 ++++++++++++++++++++++++++++++-
 src/roman-numerals/index.js |  31 ++++++++++++++++++++++++++++++-
 src/transpose/index.js      |  21 +++++++++++++++++++--
 5 files changed, 79 insertions(+), 4 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..758ef57321ab97d7f44e53ea0868ad8f929a5bee
GIT binary patch
literal 6148
zcmeHK%Wl&^6upy#)}|B%sYu-*Sz=p4XsbvS8<VCB7D%W@umBY7Bm}pvCyE`ih$49n
z|G+P><xBV%R&egjR7#w53lW+t&767MGmn$;oeU9)_N4!Ws7^!<5@YQ)vNgv2oK~!2
zT3nz|V>GBol2ZCe@rt)?unJfOHcbKkcJI;!4Jf0W7Qf#iY8R9}Ph>AjWCTAB63>tt
zzm=gxbdN?9;;X+zKEx=GC_x0^x?*!QD2?#FG{T+I2siM=gA#9xUeY;c86n;bm*)^)
zOTI2V&#?9my#O}oiuxtSuM(pQJ;u~q_NolmdqvZ1WHkB_jgmOao6Vo1Qmx(E+IF^`
z9p`=UNlt@2%qLkp9KYq-D=Cxcx*SHY<H59B-#e9Q9>(cltO#*`0GD@f;<PWPZ8=H%
znc@bz!*LzATi>6}4qMFw@94NSKk#NJhbSK(wdQlzx&QF-)AR0Sa+S(2SUF4}PAl6r
zcnz$W+4JXMoF+2my|VW%&PBEm*Uh<D^ULzt__lC1P_?$f3YfFt>}>EF?b56QR)K$`
z0LKRpiP1M$XjGvCnR)^MYiL%6GXG6rj%Uy}SZG8KOlT@lQ-yhA2u(-3XZ(DFg+@&$
zVICjC%q+|cMX1>^zNg$t_!@0)6|f2{D^S(dI^X|iH^2XvNw#JcunPQF3W!=K=(MpV
zbGNQ+j_+Cz=>rlQ`xP1$1(~^yRe`VKeI#Y*^SA)?4Hg>F0<(Vvlnger3j9?C{s4%H
BsYCz(

literal 0
HcmV?d00001

diff --git a/src/.DS_Store b/src/.DS_Store
new file mode 100644
index 0000000000000000000000000000000000000000..f1fc30189b7290fad9985c347cfac772990df764
GIT binary patch
literal 6148
zcmeHKL2J}N6n?Ya+6hJ3gF-Jtz-!gDEeq01+}49vBYIF-lWx$^bY|IP-NUkwv;8q%
z{U!b#{oc$}x2y_M5Gn7$oA1q=_f5!`WF|vIYB(D|BI*&5hBI~|G`}z&XJ4~U$ZP_Y
zo8y!UYN&oz*^{+uN&Jrr@UzpD)08qgp_S*CS2o8OzZg&85574=M05+)md?O1bRRxL
zT(}u3|Lj+|pZ|uN&+AFxe#s|QSvURuSJm0*Zr<3^TY6i+O+VOq+GNeF9%j?m+<Red
zm0!eJ{<19Qqu%W!YnrSy#nchXae<OIuSzqv^P!!YaqYONAJCDGM!lWIVsFsjjrR`*
z%iVbKcn|Tx{$RO`^qqST51)@tt21LiIR!}JeRp;<;02r`_@h1_)2XSfd5=1tBf|H>
z+8e5A0#$1&`0M$ppt_5yRrS#o69q&8QQ(RSgf&cWUvVCxivps+^;3Y?hZxS71Z+LJ
zr2~yS0sy;6J44LBjLeAxCIMTI7=bBI1$wFqM-1iZ$j6~B3D|n{bW-8)p~96_IH4$a
zb<7{Ta#D#$X+;51;IaZ6zT4yd|LO0~|CdS969q(pYo&nd9;e4c+)~(E*KUsY+8F*0
q&c=1E#~%~~ZYxGDZ^b)sXUNAK0F!{NM`U2~Bj99^Mils`3Va7_GJDGa

literal 0
HcmV?d00001

diff --git a/src/brackets/index.js b/src/brackets/index.js
index 96b6766..5590fb7 100644
--- a/src/brackets/index.js
+++ b/src/brackets/index.js
@@ -4,6 +4,35 @@
  * @param {string} str The string of brackets.
  * @returns {"valid" | "invalid"} Whether or not the string is valid.
  */
-function isValid(str) {}
+
+function isValid(str) {
+    let stack = []
+    for(let i in str) {
+        let x = stack.length - 1
+        if(str[i]=="(" || str[i]=="{" || str[i]=="[") {
+            stack.push(str[i])
+        }
+        else{
+            if(str[i]== ")" && stack[x]=="(") {
+                stack.pop()
+            }
+            else if(str[i]=="}" && stack[x]=="{") {
+                stack.pop()
+            }
+            else if(str[i]=="]" && stack[x]=="[") {
+                stack.pop()
+            }
+            else{
+                return "invalid"
+            }
+        }
+    }
+    return stack.length > 0 ? "invalid" : "valid"
+}
 
 module.exports = isValid;
+
+
+
+
+
diff --git a/src/roman-numerals/index.js b/src/roman-numerals/index.js
index 38afb19..9f4d99e 100644
--- a/src/roman-numerals/index.js
+++ b/src/roman-numerals/index.js
@@ -4,6 +4,35 @@
  * @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 stack = [];
+  let total = 0;
+
+  const romanNumerals = {
+    I: 1,
+    V: 5,
+    X: 10,
+    L: 50,
+    C: 100,
+    D: 500,
+    M: 1000,
+  };
+
+  for (let i = 0; i < roman.length; i++) {
+    const currentSymbol = roman[i];
+    const currentValue = romanNumerals[currentSymbol];
+    const nextValue = romanNumerals[roman[i + 1]];
+
+    if (nextValue && currentValue < nextValue) {
+      total -= currentValue;
+    } else {
+      total += currentValue;
+    }
+  }
+
+  return total;
+}
+
 
 module.exports = romanToDecimal;
diff --git a/src/transpose/index.js b/src/transpose/index.js
index adec201..64a49c5 100644
--- a/src/transpose/index.js
+++ b/src/transpose/index.js
@@ -4,6 +4,23 @@
  * @param {number[]} array The array to transpose
  * @returns {number[]} The transposed array
  */
-function transpose(array) {}
 
-module.exports = transpose;
+function transpose(array) {
+    const numRows = array.length;
+    const numCols = array[0].length;
+    
+    const transposed = new Array(numCols).fill(null).map(() => new Array(numRows));
+    
+   for (let row = 0; row < numRows; row++) {
+     for (let col = 0; col < numCols; col++) {
+       transposed[col][row] = array[row][col];
+     }
+   }
+    
+   return transposed;
+   }
+  
+  
+  
+  module.exports = transpose;
+  
\ No newline at end of file