范围随机算法实现

cpp 复制代码

#include <cstdlib>
#include <ctime>
#include <iostream>
#include <set>
#include <vector>
#include <algorithm>

int randomRange(int min, int max) {
    int range = max - min + 1;
    return rand() % range + min;
}

int main() {
    srand(time(nullptr));

    std::set<int> seen;
    std::vector<int> generated;
    int count = 0;

    std::cout << "生成的随机数序列：" << std::endl;
    while (seen.size() < 10) {
        int num = randomRange(1, 10);
        std::cout << num << " ";
        generated.push_back(num);
        seen.insert(num);
        count++;
    }
    std::cout << std::endl;

    // 排序
    std::sort(generated.begin(), generated.end());

    std::cout << "排序后的随机数序列：" << std::endl;
    for (int num : generated) {
        std::cout << num << " ";
    }
    std::cout << std::endl;

    std::cout << "所有数字 1~10 都已出现，共生成了 " << count << " 个随机数。" << std::endl;
    return 0;
}

lua 复制代码

function randomRange(min, max) {
    const range = max - min + 1;
    return Math.floor(Math.random() * range) + min;
}

const seen = new Set();
const generated = [];
let count = 0;

while (seen.size < 10) {
    const num = randomRange(1, 10);
    generated.push(num);
    seen.add(num);
    count++;
}

console.log("生成的随机数序列：", generated.join(" "));
generated.sort((a, b) => a - b);
console.log("排序后的随机数序列：", generated.join(" "));
console.log(`所有数字 1~10 都已出现，共生成了 ${count} 个随机数。`);

lua 复制代码

-- 使用 math.random() 返回 [0,1) 浮点数，映射到 [min, max] 整数
function randomRange(min, max)
    local range = max - min + 1
    return math.floor(math.random() * range) + min
end

math.randomseed(os.time())

local seen = {}
local countSeen = 0
local generated = {}
local totalGenerated = 0

print("生成的随机数序列：")
while countSeen < 10 do
    local num = randomRange(1, 10)
    io.write(num .. " ")
    table.insert(generated, num)
    if not seen[num] then
        seen[num] = true
        countSeen = countSeen + 1
    end
    totalGenerated = totalGenerated + 1
end
print()

-- 排序
table.sort(generated)

print("排序后的随机数序列：")
for i, v in ipairs(generated) do
    io.write(v .. " ")
end
print()

print(string.format("所有数字 1~10 都已出现，共生成了 %d 个随机数。", totalGenerated))

范围随机算法实现

范围随机算法实现

C++

JavaScript（ECMAScript）

Lua