Created
April 11, 2024 03:37
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乘法溢位範圍列表
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using System; | |
using 計算單位 = uint; | |
using 驗證單位 = ulong; // 需要比計算單位大 | |
Console.WriteLine($"計算單位: {typeof(計算單位).Name} (Max: {計算單位.MaxValue}), 驗證單位: {typeof(驗證單位).Name}"); | |
for (計算單位 乘數 = 2; 乘數 <= (計算單位.MaxValue / 2); 乘數 += (計算單位)Math.Pow(10, Math.Floor(Math.Log10(乘數)))) | |
{ | |
for (計算單位 被乘數 = 1; 被乘數 < 計算單位.MaxValue; 被乘數++) | |
{ | |
var total = (計算單位)(被乘數 * 乘數); | |
var assert = 被乘數 * (驗證單位)乘數; | |
if (total == assert) | |
continue; | |
Console.WriteLine($"乘數: {乘數}, 被乘數: {被乘數}, 計算結果: {total}, 驗證結果: {assert}"); | |
break; | |
} | |
} | |
Console.WriteLine("Done (press any key to exit)"); | |
Console.ReadKey(); |
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