RussellChamp/advent-of-code-2021
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add timing tests to day5

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RussellChamp committed 2021-12-05 17:47:00 -05:00
1 parent 7f76abf47a
commit 6226b37c5b
4 files changed
+90 -25
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day-5/main.go
+22 -21
View File
@@ -2,6 +2,7 @@
package main
import (
"AoC2021/utils/log"
"AoC2021/utils/timer"
"bufio"
"fmt"
@@ -14,7 +15,7 @@ const MAX_SIZE = 1000
func check(e error) {
if e != nil {
fmt.Println("Oh snap!")
log.Println(log.DEBUG, "Oh snap!")
panic(e)
}
}
@@ -23,11 +24,11 @@ func checkCoord(x int, y int) {
badVal := false
if x < 0 || x >= MAX_SIZE {
badVal = true
fmt.Println("Invalid x value:", x)
log.Println(log.DEBUG, "Invalid x value:", x)
}
if y < 0 || y >= MAX_SIZE {
badVal = true
fmt.Println("Invalid y value:", y)
log.Println(log.DEBUG, "Invalid y value:", y)
}
if badVal {
@@ -36,15 +37,15 @@ func checkCoord(x int, y int) {
}
func main() {
fmt.Println("--- Day 5: Hydrothermal Venture ---")
log.Println(log.NORMAL, "--- Day 5: Hydrothermal Venture ---")
timer.Start()
// part1()
// timer.Tick()
// fmt.Println()
part1()
timer.Tick()
log.Println(log.NORMAL)
part2()
timer.Tick()
fmt.Println()
log.Println(log.NORMAL)
}
func parseLine(line string) (int, int, int, int) {
@@ -94,9 +95,9 @@ func Sign(a int) int {
}
func part1() {
fmt.Println("* Part 1 *")
fmt.Println(" Goal: Determine the number of points where at least two lines overlap")
fmt.Println(" Answer: At how many points do at least two lines overlap?")
log.Println(log.NORMAL, "* Part 1 *")
log.Println(log.NORMAL, " Goal: Determine the number of points where at least two lines overlap")
log.Println(log.NORMAL, " Answer: At how many points do at least two lines overlap?")
input, err := os.Open("./input.txt")
check(err)
@@ -107,7 +108,7 @@ func part1() {
goodLines := 0
var grid [MAX_SIZE][MAX_SIZE]uint
// fmt.Printf("Initialized grid of size %d\n", MAX_SIZE)
// log.Printf("Initialized grid of size %d\n", MAX_SIZE)
// Draw the lines
for scanner.Scan() {
@@ -140,14 +141,14 @@ func part1() {
}
}
fmt.Printf("Read %d lines from input. Found %d straight segments\n", lines, goodLines)
fmt.Printf("Found %d line intersections\n", intersections)
log.Printf(log.NORMAL, "Read %d lines from input. Found %d straight segments\n", lines, goodLines)
log.Printf(log.NORMAL, "Found %d line intersections\n", intersections)
}
func part2() {
fmt.Println("* Part 2 *")
fmt.Println(" Goal: Including diagonal line segments, determine the number of points where at least two lines overlap")
fmt.Println(" Answer: At how many points do at least two lines overlap?")
log.Println(log.NORMAL, "* Part 2 *")
log.Println(log.NORMAL, " Goal: Including diagonal line segments, determine the number of points where at least two lines overlap")
log.Println(log.NORMAL, " Answer: At how many points do at least two lines overlap?")
input, err := os.Open("./input.txt")
check(err)
@@ -171,7 +172,7 @@ func part2() {
xVel := Sign(x2 - x1)
yVel := Sign(y2 - y1)
//fmt.Printf("Drawing line from (%d,%d) to (%d,%d) using velocity [%d,%d]", x1, y1, x2, y2, xVel, yVel)
//log.Printf("Drawing line from (%d,%d) to (%d,%d) using velocity [%d,%d]", x1, y1, x2, y2, xVel, yVel)
dots := 0
for x, y := x1, y1; x != x2 || y != y2; {
@@ -185,7 +186,7 @@ func part2() {
}
// Mark the last point
grid[x2][y2] += 1
//fmt.Printf(" -- Drew %d dots\n", dots+1)
//log.Printf(" -- Drew %d dots\n", dots+1)
}
// Count the intersections
intersections := 0
@@ -197,6 +198,6 @@ func part2() {
}
}
fmt.Printf("Read %d lines from input.\n", lines)
fmt.Printf("Found %d line intersections\n", intersections)
log.Printf(log.NORMAL, "Read %d lines from input.\n", lines)
log.Printf(log.NORMAL, "Found %d line intersections\n", intersections)
}