From 73df946d56c74384511a194dd01dbe099584fd1a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:14:23 +0200 Subject: Adding upstream version 1.16.10. Signed-off-by: Daniel Baumann --- test/235.go | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 test/235.go (limited to 'test/235.go') diff --git a/test/235.go b/test/235.go new file mode 100644 index 0000000..6745dde --- /dev/null +++ b/test/235.go @@ -0,0 +1,75 @@ +// run + +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Solve the 2,3,5 problem (print all numbers with 2, 3, or 5 as factor) using channels. +// Test the solution, silently. + +package main + +type T chan uint64 + +func M(f uint64) (in, out T) { + in = make(T, 100) + out = make(T, 100) + go func(in, out T, f uint64) { + for { + out <- f*<-in + } + }(in, out, f) + return in, out +} + + +func min(xs []uint64) uint64 { + m := xs[0] + for i := 1; i < len(xs); i++ { + if xs[i] < m { + m = xs[i] + } + } + return m +} + + +func main() { + F := []uint64{2, 3, 5} + var n = len(F) + OUT := []uint64{ + 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, + 40, 45, 48, 50, 54, 60, 64, 72, 75, 80, 81, 90, 96, 100, 108, 120, 125, + 128, 135, 144, 150, 160, 162, 180, 192, 200, 216, 225, 240, 243, 250, + 256, 270, 288, 300, 320, 324, 360, 375, 384, 400, 405, 432, 450, 480, + 486, 500, 512, 540, 576, 600, 625, 640, 648, 675, 720, 729, 750, 768, + 800, 810, 864, 900, 960, 972, 1000, 1024, 1080, 1125, 1152, 1200, 1215, + 1250, 1280, 1296, 1350, 1440, 1458, 1500, 1536, 1600} + + x := uint64(1) + ins := make([]T, n) + outs := make([]T, n) + xs := make([]uint64, n) + for i := 0; i < n; i++ { + ins[i], outs[i] = M(F[i]) + xs[i] = x + } + + for i := 0; i < len(OUT); i++ { + for i := 0; i < n; i++ { + ins[i] <- x + } + + for i := 0; i < n; i++ { + if xs[i] == x { + xs[i] = <-outs[i] + } + } + + x = min(xs) + if x != OUT[i] { + println("bad: ", x, " should be ", OUT[i]) + panic("235") + } + } +} -- cgit v1.2.3