thor/advent-of-code-go
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can't figure out day5...

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alexchao26
2020-01-03 00:55:33 -05:00
parent ae2dd0b1b2
commit d7b218f608
1 changed files with 149 additions and 47 deletions
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day5/main.go
+144 -42
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@@ -2,66 +2,168 @@ package main
import "fmt" import "fmt"
func calcValue(input []int, target int, noun int, verb int) bool { // func calcValue(input []int, target int, noun int, verb int) bool {
// update the 1 and 2 values here // // update the 1 and 2 values here
input[1] = noun // input[1] = noun
input[2] = verb // input[2] = verb
// fmt.Println(input) // // fmt.Println(input)
// loop through all "instructions" // // loop through all "instructions"
for i := 0; i < len(input); i += 4 { // for i := 0; i < len(input); i += 4 {
// check opertor type (1 2 or 99) // // check opertor type (1 2 or 99)
operator := input[i] // operator := input[i]
// if it's not 99 (don't terminate, and run a calculation) // // if it's not 99 (don't terminate, and run a calculation)
if operator != 99 { // if operator != 99 {
// grab the two values to be added or multiplied // // grab the two values to be added or multiplied
value1 := input[input[i+1]] // value1 := input[input[i+1]]
value2 := input[input[i+2]] // value2 := input[input[i+2]]
// grab the index that will get the new value // // grab the index that will get the new value
indexToUpdate := input[i+3] // indexToUpdate := input[i+3]
// perform calcuation based on operator value // // perform calcuation based on operator value
if operator == 1 { // if operator == 1 {
input[indexToUpdate] = value1 + value2 // input[indexToUpdate] = value1 + value2
} else if operator == 2 { // } else if operator == 2 {
input[indexToUpdate] = value1 * value2 // input[indexToUpdate] = value1 * value2
// }
// } else {
// // if it is 99, break out of this loop
// break
// }
// }
// // if the target value is found, return true
// if input[0] == target {
// return true
// }
// return false
// }
func returnCodes(number int) []int {
ans := make([]int, 4)
ans[0] = number % 100
ans[1] = (number%1000 - ans[0]) / 100
ans[2] = (number%10000 - number%1000) / 1000
ans[3] = (number%100000 - number%10000) / 10000
return ans
}
func getValue(puzzleInput []int, positionOrImmediateCode int, val int) int {
if positionOrImmediateCode == 0 {
return puzzleInput[val]
} }
return val
}
func runDiagnostics(puzzleInput []int, inputValue int) string {
fmt.Println(puzzleInput)
for i := 0; i < len(puzzleInput); {
// find op code (last 2 digits of number), a 1, 2, 3, 4, or 99
slicedInstruction := returnCodes(puzzleInput[i])
opCode := slicedInstruction[0]
val1 := slicedInstruction[1]
val2 := slicedInstruction[2]
val3 := slicedInstruction[3] // defaults to position so no longer need this variable
fmt.Println("opCode", opCode, "index", i)
// fmt.Println("68 slice", puzzleInput[69])
if opCode == 99 {
fmt.Println("99 halted")
return "halted"
} else if opCode == 1 {
// additon of next two elements( i + 1 and 2), placed @ or @ location of next element (i + 3)
firstToAdd, secondToAdd := getValue(puzzleInput, val1, puzzleInput[i+1]), getValue(puzzleInput, val2, puzzleInput[i+2])
// if val3 == 0 {
// position mode
fmt.Println("params are", val1, val2, val3)
fmt.Println("adding", firstToAdd, secondToAdd, "to position", puzzleInput[i+3])
puzzleInput[puzzleInput[i+3]] = firstToAdd + secondToAdd
// } else {
// immediately to that spot
// puzzleInput[i+3] = firstToAdd + secondToAdd
// }
i += 4
} else if opCode == 2 {
// multiply
firstToMulitply, secondToMulitply := getValue(puzzleInput, val1, puzzleInput[i+1]), getValue(puzzleInput, val2, puzzleInput[i+2])
// if val3 == 0 {
// position mode
fmt.Println("params are", val1, val2, val3)
fmt.Println("multiplying", firstToMulitply, secondToMulitply, "to position", puzzleInput[i+3])
puzzleInput[puzzleInput[i+3]] = firstToMulitply + secondToMulitply
// } else {
// immediately to that spot
// puzzleInput[i+3] = firstToMulitply + secondToMulitply
// }
i += 4
} else if opCode == 3 {
// fmt.Println("A 3 opCode has fired", i)
// one more input, val1 is position or immediate mode
indexPlusOne := puzzleInput[i+1]
// if val1 == 0 {
// position mode
fmt.Println("writing input value", inputValue, "to position", indexPlusOne)
puzzleInput[indexPlusOne] = inputValue
// } else {
// immediate mode
// puzzleInput[i+1] = inputValue
// }
i += 2
} else if opCode == 4 {
// return a value opCode, returns value @ next position, or the next value itself
indexPlusOne := puzzleInput[i+1]
fmt.Println("output val is", val1)
if val1 == 0 {
// position mode
fmt.Println("******************output for val1==0: ", puzzleInput[indexPlusOne])
// if puzzleInput[indexPlusOne] != 0 {
// fmt.Println("non-zero output", opCode, i, indexPlusOne, puzzleInput[indexPlusOne])
// }
} else { } else {
// if it is 99, break out of this loop // immediate mode - this will never run?
break fmt.Println("******************output immediate val!=0: ", indexPlusOne)
}
i += 2
} }
} }
return "EOF"
// if the target value is found, return true
if input[0] == target {
return true
}
return false
} }
func main() { func main() {
// defualt input slice, index 1 and 2 will be replaced // defualt input slice, index 1 and 2 will be replaced
input := []int{1, 12, 2, 3, 1, 1, 2, 3, 1, 3, 4, 3, 1, 5, 0, 3, 2, 1, 6, 19, 1, 19, 5, 23, 2, 13, 23, 27, 1, 10, 27, 31, 2, 6, 31, 35, 1, 9, 35, 39, 2, 10, 39, 43, 1, 43, 9, 47, 1, 47, 9, 51, 2, 10, 51, 55, 1, 55, 9, 59, 1, 59, 5, 63, 1, 63, 6, 67, 2, 6, 67, 71, 2, 10, 71, 75, 1, 75, 5, 79, 1, 9, 79, 83, 2, 83, 10, 87, 1, 87, 6, 91, 1, 13, 91, 95, 2, 10, 95, 99, 1, 99, 6, 103, 2, 13, 103, 107, 1, 107, 2, 111, 1, 111, 9, 0, 99, 2, 14, 0, 0} puzzleInput := []int{3, 225, 1, 225, 6, 6, 1100, 1, 238, 225, 104, 0, 1, 192, 154, 224, 101, -161, 224, 224, 4, 224, 102, 8, 223, 223, 101, 5, 224, 224, 1, 223, 224, 223, 1001, 157, 48, 224, 1001, 224, -61, 224, 4, 224, 102, 8, 223, 223, 101, 2, 224, 224, 1, 223, 224, 223, 1102, 15, 28, 225, 1002, 162, 75, 224, 1001, 224, -600, 224, 4, 224, 1002, 223, 8, 223, 1001, 224, 1, 224, 1, 224, 223, 223, 102, 32, 57, 224, 1001, 224, -480, 224, 4, 224, 102, 8, 223, 223, 101, 1, 224, 224, 1, 224, 223, 223, 1101, 6, 23, 225, 1102, 15, 70, 224, 1001, 224, -1050, 224, 4, 224, 1002, 223, 8, 223, 101, 5, 224, 224, 1, 224, 223, 223, 101, 53, 196, 224, 1001, 224, -63, 224, 4, 224, 102, 8, 223, 223, 1001, 224, 3, 224, 1, 224, 223, 223, 1101, 64, 94, 225, 1102, 13, 23, 225, 1101, 41, 8, 225, 2, 105, 187, 224, 1001, 224, -60, 224, 4, 224, 1002, 223, 8, 223, 101, 6, 224, 224, 1, 224, 223, 223, 1101, 10, 23, 225, 1101, 16, 67, 225, 1101, 58, 10, 225, 1101, 25, 34, 224, 1001, 224, -59, 224, 4, 224, 1002, 223, 8, 223, 1001, 224, 3, 224, 1, 223, 224, 223, 4, 223, 99, 0, 0, 0, 677, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1105, 0, 99999, 1105, 227, 247, 1105, 1, 99999, 1005, 227, 99999, 1005, 0, 256, 1105, 1, 99999, 1106, 227, 99999, 1106, 0, 265, 1105, 1, 99999, 1006, 0, 99999, 1006, 227, 274, 1105, 1, 99999, 1105, 1, 280, 1105, 1, 99999, 1, 225, 225, 225, 1101, 294, 0, 0, 105, 1, 0, 1105, 1, 99999, 1106, 0, 300, 1105, 1, 99999, 1, 225, 225, 225, 1101, 314, 0, 0, 106, 0, 0, 1105, 1, 99999, 1108, 226, 226, 224, 102, 2, 223, 223, 1005, 224, 329, 101, 1, 223, 223, 107, 226, 226, 224, 1002, 223, 2, 223, 1005, 224, 344, 1001, 223, 1, 223, 107, 677, 226, 224, 102, 2, 223, 223, 1005, 224, 359, 101, 1, 223, 223, 7, 677, 226, 224, 102, 2, 223, 223, 1005, 224, 374, 101, 1, 223, 223, 108, 226, 226, 224, 102, 2, 223, 223, 1006, 224, 389, 101, 1, 223, 223, 1007, 677, 677, 224, 102, 2, 223, 223, 1005, 224, 404, 101, 1, 223, 223, 7, 226, 677, 224, 102, 2, 223, 223, 1006, 224, 419, 101, 1, 223, 223, 1107, 226, 677, 224, 1002, 223, 2, 223, 1005, 224, 434, 1001, 223, 1, 223, 1108, 226, 677, 224, 102, 2, 223, 223, 1005, 224, 449, 101, 1, 223, 223, 108, 226, 677, 224, 102, 2, 223, 223, 1005, 224, 464, 1001, 223, 1, 223, 8, 226, 677, 224, 1002, 223, 2, 223, 1005, 224, 479, 1001, 223, 1, 223, 1007, 226, 226, 224, 102, 2, 223, 223, 1006, 224, 494, 101, 1, 223, 223, 1008, 226, 677, 224, 102, 2, 223, 223, 1006, 224, 509, 101, 1, 223, 223, 1107, 677, 226, 224, 1002, 223, 2, 223, 1006, 224, 524, 1001, 223, 1, 223, 108, 677, 677, 224, 1002, 223, 2, 223, 1005, 224, 539, 1001, 223, 1, 223, 1107, 226, 226, 224, 1002, 223, 2, 223, 1006, 224, 554, 1001, 223, 1, 223, 7, 226, 226, 224, 1002, 223, 2, 223, 1006, 224, 569, 1001, 223, 1, 223, 8, 677, 226, 224, 102, 2, 223, 223, 1006, 224, 584, 101, 1, 223, 223, 1008, 677, 677, 224, 102, 2, 223, 223, 1005, 224, 599, 101, 1, 223, 223, 1007, 226, 677, 224, 1002, 223, 2, 223, 1006, 224, 614, 1001, 223, 1, 223, 8, 677, 677, 224, 1002, 223, 2, 223, 1005, 224, 629, 101, 1, 223, 223, 107, 677, 677, 224, 102, 2, 223, 223, 1005, 224, 644, 101, 1, 223, 223, 1108, 677, 226, 224, 102, 2, 223, 223, 1005, 224, 659, 101, 1, 223, 223, 1008, 226, 226, 224, 102, 2, 223, 223, 1006, 224, 674, 1001, 223, 1, 223, 4, 223, 99, 226}
// fmt.Println(puzzleInput[225])
// fmt.Println(puzzleInput)
// 1 as the input?
runDiagnostics(puzzleInput, 1)
// fmt.Println(puzzleInput)
// brute force to try all options for nouns and verbs // brute force to try all options for nouns and verbs
outer: // outer:
for i := 0; i < 100; i++ { // for i := 0; i < 100; i++ {
for j := 0; j < 100; j++ { // for j := 0; j < 100; j++ {
// crete a copy of the input slice // crete a copy of the input slice
clone := make([]int, 120) // clone := make([]int, 120)
copy(clone, input) // copy(clone, input)
// fmt.Println(clone)
// if the calcValue function returns true, break out of the loops and print the values to the console // if the calcValue function returns true, break out of the loops and print the values to the console
if calcValue(clone, 19690720, i, j) == true { // if calcValue(clone, 19690720, i, j) == true {
// print answers to console (manually add to advent of code) // print answers to console (manually add to advent of code)
fmt.Println("noun is", i, "verb is", j) // fmt.Println("noun is", i, "verb is", j)
fmt.Println("actual result value noun * 10 + verb = ", i*100+j) // fmt.Println("actual result value noun * 10 + verb = ", i*100+j)
// use labeled outer loop to break out of both for loops // use labeled outer loop to break out of both for loops
break outer // break outer
} // }
} // }
} // }
} }