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| --------------------------------------------------------------------------------
-- "Le compte est bon" ---------------------------------------------------------
-- Script pour l'interpréteur Lua 5.2 ------------------------------------------
-- Auteur de la version originale : Roland Y. ----------------------------------
-- http://roland.xtreemhost.com/le-compte-est-bon/ -----------------------------
-- Auteur de la présente version : Roland Chastain -----------------------------
--------------------------------------------------------------------------------
function RandomPick(t)
local i = math.random(#t)
local n = t[i]
table.remove(t, i)
return n
end
function MayDiv(n1, n2)
local a, b
if n1 > n2 then
a, b = n1, n2
else
a, b = n2, n1
end
return a % b == 0
end
function Operate(n1, n2, op)
local a, b
if n1 > n2 then
a, b = n1, n2
else
a, b = n2, n1
end
if op == "+" then
return a + b
elseif op == "-" then
return a - b
elseif op == "*" then
return a * b
elseif op == "/" then
return a / b
end
end
function Concat(s1, s2)
if s1 ~= "" then
s1 = s1 .. s2
end
return s1
end
local t1, t2, t3 = {}, {}, {}
t1 = {
1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
25, 50, 75, 100
}
math.randomseed(os.time())
for i = 1, 6 do
t2[i] = RandomPick(t1)
t3[i] = t2[i]
end
local st2 = table.concat(t2, ", ")
local guess = math.random(100, 999)
local res
local best_res = 0
local ans = ""
local best_ans = ""
local num1, num2
local opset = {}
local op
local cur_step = 0
local old_step = guess
local max_iter = 2000000
local cur_iter = 0
local file = "compte.txt"
repeat
cur_iter = cur_iter + 1
if #t3 <= 1 then
for i = 1, 6 do
t3[i] = t2[i]
end
ans = ""
end
num1 = RandomPick(t3)
num2 = RandomPick(t3)
if num1 == num2 then
opset = {"+", "*", "/"}
elseif MayDiv(num1, num2) then
opset = {"+", "-", "*", "/"}
else
opset = {"+", "-", "*"}
end
op = opset[math.random(#opset)]
res = Operate(num1, num2, op)
table.insert(t3, res)
if op == "-" or op == "/" then
if num1 > num2 then
if op ~= "/" or num2 ~= 1 then
ans = Concat(ans, "\n") ..
num1 .. op ..
num2 ..
"=" ..
res
end
else
ans = Concat(ans, "\n") ..
num2 .. op ..
num1 ..
"=" ..
res
end
elseif op ~= "*" or num2 ~= 1 then
ans = Concat(ans, "\n") ..
num2 .. op ..
num1 ..
"=" ..
res
end
cur_step = math.abs(res - guess)
if cur_step < old_step then
best_res = res
old_step = cur_step
best_ans = ans
end
until (res == guess) or (cur_iter == max_iter)
io.output(file)
io.write("Nombres utilisables : " .. st2 .. "\n")
io.write("Nombre à trouver : " .. guess .. "\n")
if best_res ~= guess then
io.write("Meilleur résultat : " .. best_res .. "\n")
else
io.write("Le compte est bon !\n")
end
best_ans = string.gsub(
best_ans,
"[%+%-%*/=]+",
function(a)
return " " .. a .. " "
end
)
best_ans = string.gsub(
best_ans,
"%d+",
function(a)
return string.format("%3d", a)
end
)
io.write(string.rep("=", 5 * 3) .. "\n" .. best_ans .. "\n" .. string.rep("=", 5 * 3)) |
