Advent of Code Day2

nbhattac · Dec 4, 2019 · 7d36ee9 · 7d36ee9
1 parent f54545b
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diff --git a/Day2/day2.js b/Day2/day2.js
@@ -0,0 +1,46 @@
+const input = [1,12,2,3,1,1,2,3,1,3,4,3,1,5,0,3,2,1,9,19,1,5,19,23,1,6,23,27,1,27,10,31,1,31,5,35,2,10,35,39,1,9,39,43,1,43,5,47,1,47,6,51,2,51,6,55,1,13,55,59,2,6,59,63,1,63,5,67,2,10,67,71,1,9,71,75,1,75,13,79,1,10,79,83,2,83,13,87,1,87,6,91,1,5,91,95,2,95,9,99,1,5,99,103,1,103,6,107,2,107,13,111,1,111,10,115,2,10,115,119,1,9,119,123,1,123,9,127,1,13,127,131,2,10,131,135,1,135,5,139,1,2,139,143,1,143,5,0,99,2,0,14,0]
+const step = 4
+
+let opCodePosition = 0
+const inputLen = input.length;
+let exitCondition = false
+
+console.log("lenght: ",  inputLen)
+while (opCodePosition < inputLen)
+{
+    let positionOne = opCodePosition + 1
+    let positionTwo = opCodePosition + 2
+    let positionThree = opCodePosition + 3
+
+    switch(input[opCodePosition])
+    {
+        case 1:
+             console.log("1: For Opcode position before: ",  input[positionThree], input[input[positionOne]], input[input[positionTwo]],  opCodePosition)
+             input[input[positionThree]] = input[input[positionOne]] + input[input[positionTwo]]
+             console.log("1: For Opcode position ater: ",  input[positionThree])
+
+         break
+        case 2:
+          console.log("2: For Opcode position before: ",  input[positionThree], input[input[positionOne]], input[input[positionTwo]], opCodePosition)
+          input[input[positionThree]] = input[input[positionOne]] * input[input[positionTwo]]
+          console.log("2: For Opcode position after: ",  input[positionThree])
+
+          break
+        case 99:
+           console.log("Exit out of the loop", opCodePosition)
+           exitCondition = true
+           break
+        default:
+           console.log("Something went wrong")
+           break
+    }
+
+    if (exitCondition === true)
+    {
+       console.log("Exit condition is true")
+       break;
+    }
+    opCodePosition += 4
+}
+
+console.log ("The first position : ", input[0])
diff --git a/Day2/day2_partb.js b/Day2/day2_partb.js
@@ -0,0 +1,85 @@
+
+function testInputs(noun, verb, memory)
+{
+    const finalPositionZero = 19690720 
+    memory[1] = noun;
+    memory[2] = verb;
+
+    if (computeTransform(memory) === finalPositionZero)
+      return true
+    else
+      return false
+} 
+
+function computeIfMatchesOutput()
+{
+    let validInput = false
+    let i=0;
+    let j=0
+    for (i=0; i<100; i++)
+    {
+        for (j=0; j < 100; j++)
+        {
+            let initalMemory = [1,0,0,3,1,1,2,3,1,3,4,3,1,5,0,3,2,1,9,19,1,5,19,23,1,6,23,27,1,27,10,31,1,31,5,35,2,10,35,39,1,9,39,43,1,43,5,47,1,47,6,51,2,51,6,55,1,13,55,59,2,6,59,63,1,63,5,67,2,10,67,71,1,9,71,75,1,75,13,79,1,10,79,83,2,83,13,87,1,87,6,91,1,5,91,95,2,95,9,99,1,5,99,103,1,103,6,107,2,107,13,111,1,111,10,115,2,10,115,119,1,9,119,123,1,123,9,127,1,13,127,131,2,10,131,135,1,135,5,139,1,2,139,143,1,143,5,0,99,2,0,14,0]
+            validInput = testInputs(i, j, initalMemory)
+            if (validInput === true)
+                break;
+        }
+        if (validInput === true)
+          break
+    }
+
+    console.log("Final Result: ",  100*i + j, i, j)
+}
+
+function computeTransform(input)
+{
+const step = 4
+
+let opCodePosition = 0
+const inputLen = input.length;
+let exitCondition = false
+
+while (opCodePosition < inputLen)
+{
+    let positionOne = opCodePosition + 1
+    let positionTwo = opCodePosition + 2
+    let positionThree = opCodePosition + 3
+
+    switch(input[opCodePosition])
+    {
+        case 1:
+             //console.log("1: For Opcode position before: ",  input[positionThree], input[input[positionOne]], input[input[positionTwo]],  opCodePosition)
+             input[input[positionThree]] = input[input[positionOne]] + input[input[positionTwo]]
+             //console.log("1: For Opcode position ater: ",  input[positionThree])
+
+         break
+        case 2:
+          //console.log("2: For Opcode position before: ",  input[positionThree], input[input[positionOne]], input[input[positionTwo]], opCodePosition)
+          input[input[positionThree]] = input[input[positionOne]] * input[input[positionTwo]]
+          //console.log("2: For Opcode position after: ",  input[positionThree])
+
+          break
+        case 99:
+           //console.log("Exit out of the loop", opCodePosition)
+           exitCondition = true
+           break
+        default:
+           //console.log("Something went wrong")
+           exitCondition = true
+           break
+    }
+
+    if (exitCondition === true)
+    {
+       console.log("Exit condition is true")
+       break;
+    }
+    opCodePosition += 4
+}
+
+    console.log ("The first position : ", input[0])
+    return input[0]
+}
+
+computeIfMatchesOutput()