refac(angch/2025-07): Cleanup

angch · angch · commit bb7d8e56d312 · 2025-12-07T13:42:13.000+08:00
diff --git a/angch/2025-07/main.go b/angch/2025-07/main.go
@@ -26,13 +26,9 @@ func day7(file string) (part1, part2 int) {
 				break
 			}
 			if c == '^' && beams[x] > 0 {
-				if x > 0 {
-					beams[x-1] += beams[x]
-				}
-				if x < len(t) {
-					beams[x+1] += beams[x]
-				}
-				beams[x] = 0
+				// Looks cleaner like this, splitting the beams[x]:
+				beams[x-1], beams[x], beams[x+1] =
+					beams[x-1]+beams[x], 0, beams[x+1]+beams[x]
 				part1++
 			}
 		}

Original file line number	Diff line number	Diff line change
`@@ -26,13 +26,9 @@ func day7(file string) (part1, part2 int) {`
`26`	`26`	`break`
`27`	`27`	`}`
`28`	`28`	`if c == '^' && beams[x] > 0 {`
`29`		`- if x > 0 {`
`30`		`- beams[x-1] += beams[x]`
`31`		`- }`
`32`		`- if x < len(t) {`
`33`		`- beams[x+1] += beams[x]`
`34`		`- }`
`35`		`- beams[x] = 0`
	`29`	`+ // Looks cleaner like this, splitting the beams[x]:`
	`30`	`+ beams[x-1], beams[x], beams[x+1] =`
	`31`	`+ beams[x-1]+beams[x], 0, beams[x+1]+beams[x]`
`36`	`32`	`part1++`
`37`	`33`	`}`
`38`	`34`	`}`