单片机处这种数字比较大的取余和除法运算怎么处理？ - 第3页 - 侃单片机论坛 - 21ic电子技术开发论坛

JerryWu75 发表于 2017-5-3 17:12

本帖最后由 JerryWu75 于 2017-5-3 17:17 编辑

whirt_noob 发表于 2017-5-3 14:32
你说的是设置一个标志，刷新数码管的时候不去计算，计算的时候不去刷新是吗？ ...
一个计算标志, 当在计算时,标志设置为1, 计算结束后设置为0.

刷新程序中检测这个标志为1的话,就显示显示缓冲中的旧值, 如果标志为0, 就将新计算的结果放到显示缓冲并显示.
例如:
一个1ms定时器中断中
1msTimer()
{
if(calcflag){
将oldvalue刷新到LED
} else {
   oldvalue=newvalue;
   将newvalue刷新到LED
}
}

main()
{
while(1){
   calcflag=1;
   开始计算程序；
   计算结束, 获得newvalue；
   calcflag=0;
}
}

tomzbj 发表于 2017-5-3 19:16

whirt_noob 发表于 2017-5-3 14:40
595便宜啊

TM1650也就几毛钱
还省GPIO

john_lee 发表于 2017-5-3 21:04

whirt_noob 发表于 2017-5-3 14:04
按照提示做了优化，另外问一下，像DS18B20这一类采集温度时间比较久的元器件，要怎么样处理程序中需要延 ...

可以用UART来驱动单总线，要加一个二极管和一个电阻，以前Dallas的网站上有一篇**，专门说了这个方法。
这个方法才是王道，完全避免了延时的处理。

@若水 发表于 2017-5-4 08:18

whirt_noob 发表于 2017-5-3 14:07
穷逼公司，毁我青春，拿着28元的逻辑分析仪测的

28元能买到逻辑分析仪？

whirt_noob 发表于 2017-5-4 09:22

@若水发表于 2017-5-4 08:18
28元能买到逻辑分析仪？

万能的淘宝什么没有

@若水 发表于 2017-5-4 16:16

whirt_noob 发表于 2017-5-4 09:22
万能的淘宝什么没有

但28块钱，实在是低于想象啊，看来真的是应了那句，只有想不到，没有做不到{:titter:}

ailingg 发表于 2021-9-12 09:39

uint8_t constBCD_Tbl = {

{0, 0, 0}, {0, 0, 1}, {0, 0, 2}, {0, 0, 3}, {0, 0, 4}, {0, 0, 5}, {0, 0, 6}, {0, 0, 7}, {0, 0, 8}, {0, 0, 9}, // 0~9
{0, 1, 0}, {0, 1, 1}, {0, 1, 2}, {0, 1, 3}, {0, 1, 4}, {0, 1, 5}, {0, 1, 6}, {0, 1, 7}, {0, 1, 8}, {0, 1, 9}, // 10~19
{0, 2, 0}, {0, 2, 1}, {0, 2, 2}, {0, 2, 3}, {0, 2, 4}, {0, 2, 5}, {0, 2, 6}, {0, 2, 7}, {0, 2, 8}, {0, 2, 9}, // 20~29
{0, 3, 0}, {0, 3, 1}, {0, 3, 2}, {0, 3, 3}, {0, 3, 4}, {0, 3, 5}, {0, 3, 6}, {0, 3, 7}, {0, 3, 8}, {0, 3, 9}, // 30~39
{0, 4, 0}, {0, 4, 1}, {0, 4, 2}, {0, 4, 3}, {0, 4, 4}, {0, 4, 5}, {0, 4, 6}, {0, 4, 7}, {0, 4, 8}, {0, 4, 9}, // 40~49
{0, 5, 0}, {0, 5, 1}, {0, 5, 2}, {0, 5, 3}, {0, 5, 4}, {0, 5, 5}, {0, 5, 6}, {0, 5, 7}, {0, 5, 8}, {0, 5, 9}, // 50~52
{0, 6, 0}, {0, 6, 1}, {0, 6, 2}, {0, 6, 3}, {0, 6, 4}, {0, 6, 5}, {0, 6, 6}, {0, 6, 7}, {0, 6, 8}, {0, 6, 9}, // 60~69
{0, 7, 0}, {0, 7, 1}, {0, 7, 2}, {0, 7, 3}, {0, 7, 4}, {0, 7, 5}, {0, 7, 6}, {0, 7, 7}, {0, 7, 8}, {0, 7, 9}, // 70~79
{0, 8, 0}, {0, 8, 1}, {0, 8, 2}, {0, 8, 3}, {0, 8, 4}, {0, 8, 5}, {0, 8, 6}, {0, 8, 7}, {0, 8, 8}, {0, 8, 9}, // 80~89
{0, 9, 0}, {0, 9, 1}, {0, 9, 2}, {0, 9, 3}, {0, 9, 4}, {0, 9, 5}, {0, 9, 6}, {0, 9, 7}, {0, 9, 8}, {0, 9, 9}, // 90~99

{1, 0, 0}, {1, 0, 1}, {1, 0, 2}, {1, 0, 3}, {1, 0, 4}, {1, 0, 5}, {1, 0, 6}, {1, 0, 7}, {1, 0, 8}, {1, 0, 9}, // 100~109
{1, 1, 0}, {1, 1, 1}, {1, 1, 2}, {1, 1, 3}, {1, 1, 4}, {1, 1, 5}, {1, 1, 6}, {1, 1, 7}, {1, 1, 8}, {1, 1, 9}, // 110~119
{1, 2, 0}, {1, 2, 1}, {1, 2, 2}, {1, 2, 3}, {1, 2, 4}, {1, 2, 5}, {1, 2, 6}, {1, 2, 7}, {1, 2, 8}, {1, 2, 9}, // 120~129
{1, 3, 0}, {1, 3, 1}, {1, 3, 2}, {1, 3, 3}, {1, 3, 4}, {1, 3, 5}, {1, 3, 6}, {1, 3, 7}, {1, 3, 8}, {1, 3, 9}, // 130~139
{1, 4, 0}, {1, 4, 1}, {1, 4, 2}, {1, 4, 3}, {1, 4, 4}, {1, 4, 5}, {1, 4, 6}, {1, 4, 7}, {1, 4, 8}, {1, 4, 9}, // 140~149
{1, 5, 0}, {1, 5, 1}, {1, 5, 2}, {1, 5, 3}, {1, 5, 4}, {1, 5, 5}, {1, 5, 6}, {1, 5, 7}, {1, 5, 8}, {1, 5, 9}, // 150~159
{1, 6, 0}, {1, 6, 1}, {1, 6, 2}, {1, 6, 3}, {1, 6, 4}, {1, 6, 5}, {1, 6, 6}, {1, 6, 7}, {1, 6, 8}, {1, 6, 9}, // 160~169
{1, 7, 0}, {1, 7, 1}, {1, 7, 2}, {1, 7, 3}, {1, 7, 4}, {1, 7, 5}, {1, 7, 6}, {1, 7, 7}, {1, 7, 8}, {1, 7, 9}, // 170~179
{1, 8, 0}, {1, 8, 1}, {1, 8, 2}, {1, 8, 3}, {1, 8, 4}, {1, 8, 5}, {1, 8, 6}, {1, 8, 7}, {1, 8, 8}, {1, 8, 9}, // 180~182
{1, 9, 0}, {1, 9, 1}, {1, 9, 2}, {1, 9, 3}, {1, 9, 4}, {1, 9, 5}, {1, 9, 6}, {1, 9, 7}, {1, 9, 8}, {1, 9, 9}, // 190~199

{2, 0, 0}, {2, 0, 1}, {2, 0, 2}, {2, 0, 3}, {2, 0, 4}, {2, 0, 5}, {2, 0, 6}, {2, 0, 7}, {2, 0, 8}, {2, 0, 9}, // 200~209
{2, 1, 0}, {2, 1, 1}, {2, 1, 2}, {2, 1, 3}, {2, 1, 4}, {2, 1, 5}, {2, 1, 6}, {2, 1, 7}, {2, 1, 8}, {2, 1, 9}, // 210~219
{2, 2, 0}, {2, 2, 1}, {2, 2, 2}, {2, 2, 3}, {2, 2, 4}, {2, 2, 5}, {2, 2, 6}, {2, 2, 7}, {2, 2, 8}, {2, 2, 9}, // 220~229
{2, 3, 0}, {2, 3, 1}, {2, 3, 2}, {2, 3, 3}, {2, 3, 4}, {2, 3, 5}, {2, 3, 6}, {2, 3, 7}, {2, 3, 8}, {2, 3, 9}, // 230~239
{2, 4, 0}, {2, 4, 1}, {2, 4, 2}, {2, 4, 3}, {2, 4, 4}, {2, 4, 5}, {2, 4, 6}, {2, 4, 7}, {2, 4, 8}, {2, 4, 9}, // 240~249
{2, 5, 0}, {2, 5, 1}, {2, 5, 2}, {2, 5, 3}, {2, 5, 4}, {2, 5, 5}, {2, 5, 6}, {2, 5, 7}, {2, 5, 8}, {2, 5, 9}, // 250~252
{2, 6, 0}, {2, 6, 1}, {2, 6, 2}, {2, 6, 3}, {2, 6, 4}, {2, 6, 5}, {2, 6, 6}, {2, 6, 7}, {2, 6, 8}, {2, 6, 9}, // 260~269
{2, 7, 0}, {2, 7, 1}, {2, 7, 2}, {2, 7, 3}, {2, 7, 4}, {2, 7, 5}, {2, 7, 6}, {2, 7, 7}, {2, 7, 8}, {2, 7, 9}, // 270~279
{2, 8, 0}, {2, 8, 1}, {2, 8, 2}, {2, 8, 3}, {2, 8, 4}, {2, 8, 5}, {2, 8, 6}, {2, 8, 7}, {2, 8, 8}, {2, 8, 9}, // 280~289
{2, 9, 0}, {2, 9, 1}, {2, 9, 2}, {2, 9, 3}, {2, 9, 4}, {2, 9, 5}, {2, 9, 6}, {2, 9, 7}, {2, 9, 8}, {2, 9, 9}, // 290~299

{3, 0, 0}, {3, 0, 1}, {3, 0, 2}, {3, 0, 3}, {3, 0, 4}, {3, 0, 5}, {3, 0, 6}, {3, 0, 7}, {3, 0, 8}, {3, 0, 9}, // 300~309
{3, 1, 0}, {3, 1, 1}, {3, 1, 2}, {3, 1, 3}, {3, 1, 4}, {3, 1, 5}, {3, 1, 6}, {3, 1, 7}, {3, 1, 8}, {3, 1, 9}, // 310~319
{3, 2, 0}, {3, 2, 1}, {3, 2, 2}, {3, 2, 3}, {3, 2, 4}, {3, 2, 5}, {3, 2, 6}, {3, 2, 7}, {3, 2, 8}, {3, 2, 9}, // 320~329
{3, 3, 0}, {3, 3, 1}, {3, 3, 2}, {3, 3, 3}, {3, 3, 4}, {3, 3, 5}, {3, 3, 6}, {3, 3, 7}, {3, 3, 8}, {3, 3, 9}, // 330~339
{3, 4, 0}, {3, 4, 1}, {3, 4, 2}, {3, 4, 3}, {3, 4, 4}, {3, 4, 5}, {3, 4, 6}, {3, 4, 7}, {3, 4, 8}, {3, 4, 9}, // 340~349
{3, 5, 0}, {3, 5, 1}, {3, 5, 2}, {3, 5, 3}, {3, 5, 4}, {3, 5, 5}, {3, 5, 6}, {3, 5, 7}, {3, 5, 8}, {3, 5, 9}, // 350~352
{3, 6, 0}, {3, 6, 1}, {3, 6, 2}, {3, 6, 3}, {3, 6, 4}, {3, 6, 5}, {3, 6, 6}, {3, 6, 7}, {3, 6, 8}, {3, 6, 9}, // 360~369
{3, 7, 0}, {3, 7, 1}, {3, 7, 2}, {3, 7, 3}, {3, 7, 4}, {3, 7, 5}, {3, 7, 6}, {3, 7, 7}, {3, 7, 8}, {3, 7, 9}, // 370~379
{3, 8, 0}, {3, 8, 1}, {3, 8, 2}, {3, 8, 3}, {3, 8, 4}, {3, 8, 5}, {3, 8, 6}, {3, 8, 7}, {3, 8, 8}, {3, 8, 9}, // 380~389
{3, 9, 0}, {3, 9, 1}, {3, 9, 2}, {3, 9, 3}, {3, 9, 4}, {3, 9, 5}, {3, 9, 6}, {3, 9, 7}, {3, 9, 8}, {3, 9, 9}, // 390~399

{4, 0, 0}, {4, 0, 1}, {4, 0, 2}, {4, 0, 3}, {4, 0, 4}, {4, 0, 5}, {4, 0, 6}, {4, 0, 7}, {4, 0, 8}, {4, 0, 9}, // 400~409
{4, 1, 0}, {4, 1, 1}, {4, 1, 2}, {4, 1, 3}, {4, 1, 4}, {4, 1, 5}, {4, 1, 6}, {4, 1, 7}, {4, 1, 8}, {4, 1, 9}, // 410~419
{4, 2, 0}, {4, 2, 1}, {4, 2, 2}, {4, 2, 3}, {4, 2, 4}, {4, 2, 5}, {4, 2, 6}, {4, 2, 7}, {4, 2, 8}, {4, 2, 9}, // 420~429
{4, 3, 0}, {4, 3, 1}, {4, 3, 2}, {4, 3, 3}, {4, 3, 4}, {4, 3, 5}, {4, 3, 6}, {4, 3, 7}, {4, 3, 8}, {4, 3, 9}, // 430~439
{4, 4, 0}, {4, 4, 1}, {4, 4, 2}, {4, 4, 3}, {4, 4, 4}, {4, 4, 5}, {4, 4, 6}, {4, 4, 7}, {4, 4, 8}, {4, 4, 9}, // 440~449
{4, 5, 0}, {4, 5, 1}, {4, 5, 2}, {4, 5, 3}, {4, 5, 4}, {4, 5, 5}, {4, 5, 6}, {4, 5, 7}, {4, 5, 8}, {4, 5, 9}, // 450~452
{4, 6, 0}, {4, 6, 1}, {4, 6, 2}, {4, 6, 3}, {4, 6, 4}, {4, 6, 5}, {4, 6, 6}, {4, 6, 7}, {4, 6, 8}, {4, 6, 9}, // 460~469
{4, 7, 0}, {4, 7, 1}, {4, 7, 2}, {4, 7, 3}, {4, 7, 4}, {4, 7, 5}, {4, 7, 6}, {4, 7, 7}, {4, 7, 8}, {4, 7, 9}, // 470~479
{4, 8, 0}, {4, 8, 1}, {4, 8, 2}, {4, 8, 3}, {4, 8, 4}, {4, 8, 5}, {4, 8, 6}, {4, 8, 7}, {4, 8, 8}, {4, 8, 9}, // 480~489
{4, 9, 0}, {4, 9, 1}, {4, 9, 2}, {4, 9, 3}, {4, 9, 4}, {4, 9, 5}, {4, 9, 6}, {4, 9, 7}, {4, 9, 8}, {4, 9, 9}, // 490~499

{5, 0, 0}, {5, 0, 1}, {5, 0, 2}, {5, 0, 3}, {5, 0, 4}, {5, 0, 5}, {5, 0, 6}, {5, 0, 7}, {5, 0, 8}, {5, 0, 9}, // 500~509
{5, 1, 0}, {5, 1, 1}, {5, 1, 2}, {5, 1, 3}, {5, 1, 4}, {5, 1, 5}, {5, 1, 6}, {5, 1, 7}, {5, 1, 8}, {5, 1, 9}, // 510~519
{5, 2, 0}, {5, 2, 1}, {5, 2, 2}, {5, 2, 3}, {5, 2, 4}, {5, 2, 5}, {5, 2, 6}, {5, 2, 7}, {5, 2, 8}, {5, 2, 9}, // 520~529
{5, 3, 0}, {5, 3, 1}, {5, 3, 2}, {5, 3, 3}, {5, 3, 4}, {5, 3, 5}, {5, 3, 6}, {5, 3, 7}, {5, 3, 8}, {5, 3, 9}, // 530~539
{5, 4, 0}, {5, 4, 1}, {5, 4, 2}, {5, 4, 3}, {5, 4, 4}, {5, 4, 5}, {5, 4, 6}, {5, 4, 7}, {5, 4, 8}, {5, 4, 9}, // 540~549
{5, 5, 0}, {5, 5, 1}, {5, 5, 2}, {5, 5, 3}, {5, 5, 4}, {5, 5, 5}, {5, 5, 6}, {5, 5, 7}, {5, 5, 8}, {5, 5, 9}, // 550~552
{5, 6, 0}, {5, 6, 1}, {5, 6, 2}, {5, 6, 3}, {5, 6, 4}, {5, 6, 5}, {5, 6, 6}, {5, 6, 7}, {5, 6, 8}, {5, 6, 9}, // 560~569
{5, 7, 0}, {5, 7, 1}, {5, 7, 2}, {5, 7, 3}, {5, 7, 4}, {5, 7, 5}, {5, 7, 6}, {5, 7, 7}, {5, 7, 8}, {5, 7, 9}, // 570~579
{5, 8, 0}, {5, 8, 1}, {5, 8, 2}, {5, 8, 3}, {5, 8, 4}, {5, 8, 5}, {5, 8, 6}, {5, 8, 7}, {5, 8, 8}, {5, 8, 9}, // 580~589
{5, 9, 0}, {5, 9, 1}, {5, 9, 2}, {5, 9, 3}, {5, 9, 4}, {5, 9, 5}, {5, 9, 6}, {5, 9, 7}, {5, 9, 8}, {5, 9, 9}, // 590~599

{6, 0, 0}, {6, 0, 1}, {6, 0, 2}, {6, 0, 3}, {6, 0, 4}, {6, 0, 5}, {6, 0, 6}, {6, 0, 7}, {6, 0, 8}, {6, 0, 9}, // 600~609
{6, 1, 0}, {6, 1, 1}, {6, 1, 2}, {6, 1, 3}, {6, 1, 4}, {6, 1, 5}, {6, 1, 6}, {6, 1, 7}, {6, 1, 8}, {6, 1, 9}, // 610~619
{6, 2, 0}, {6, 2, 1}, {6, 2, 2}, {6, 2, 3}, {6, 2, 4}, {6, 2, 5}, {6, 2, 6}, {6, 2, 7}, {6, 2, 8}, {6, 2, 9}, // 620~629
{6, 3, 0}, {6, 3, 1}, {6, 3, 2}, {6, 3, 3}, {6, 3, 4}, {6, 3, 5}, {6, 3, 6}, {6, 3, 7}, {6, 3, 8}, {6, 3, 9}, // 630~639
{6, 4, 0}, {6, 4, 1}, {6, 4, 2}, {6, 4, 3}, {6, 4, 4}, {6, 4, 5}, {6, 4, 6}, {6, 4, 7}, {6, 4, 8}, {6, 4, 9}, // 640~649
{6, 5, 0}, {6, 5, 1}, {6, 5, 2}, {6, 5, 3}, {6, 5, 4}, {6, 5, 5}, {6, 5, 6}, {6, 5, 7}, {6, 5, 8}, {6, 5, 9}, // 650~652
{6, 6, 0}, {6, 6, 1}, {6, 6, 2}, {6, 6, 3}, {6, 6, 4}, {6, 6, 5}, {6, 6, 6}, {6, 6, 7}, {6, 6, 8}, {6, 6, 9}, // 660~669
{6, 7, 0}, {6, 7, 1}, {6, 7, 2}, {6, 7, 3}, {6, 7, 4}, {6, 7, 5}, {6, 7, 6}, {6, 7, 7}, {6, 7, 8}, {6, 7, 9}, // 670~679
{6, 8, 0}, {6, 8, 1}, {6, 8, 2}, {6, 8, 3}, {6, 8, 4}, {6, 8, 5}, {6, 8, 6}, {6, 8, 7}, {6, 8, 8}, {6, 8, 9}, // 680~689
{6, 9, 0}, {6, 9, 1}, {6, 9, 2}, {6, 9, 3}, {6, 9, 4}, {6, 9, 5}, {6, 9, 6}, {6, 9, 7}, {6, 9, 8}, {6, 9, 9}, // 690~699

{7, 0, 0}, {7, 0, 1}, {7, 0, 2}, {7, 0, 3}, {7, 0, 4}, {7, 0, 5}, {7, 0, 6}, {7, 0, 7}, {7, 0, 8}, {7, 0, 9}, // 700~709
{7, 1, 0}, {7, 1, 1}, {7, 1, 2}, {7, 1, 3}, {7, 1, 4}, {7, 1, 5}, {7, 1, 6}, {7, 1, 7}, {7, 1, 8}, {7, 1, 9}, // 710~719
{7, 2, 0}, {7, 2, 1}, {7, 2, 2}, {7, 2, 3}, {7, 2, 4}, {7, 2, 5}, {7, 2, 6}, {7, 2, 7}, {7, 2, 8}, {7, 2, 9}, // 720~729
{7, 3, 0}, {7, 3, 1}, {7, 3, 2}, {7, 3, 3}, {7, 3, 4}, {7, 3, 5}, {7, 3, 6}, {7, 3, 7}, {7, 3, 8}, {7, 3, 9}, // 730~739
{7, 4, 0}, {7, 4, 1}, {7, 4, 2}, {7, 4, 3}, {7, 4, 4}, {7, 4, 5}, {7, 4, 6}, {7, 4, 7}, {7, 4, 8}, {7, 4, 9}, // 740~749
{7, 5, 0}, {7, 5, 1}, {7, 5, 2}, {7, 5, 3}, {7, 5, 4}, {7, 5, 5}, {7, 5, 6}, {7, 5, 7}, {7, 5, 8}, {7, 5, 9}, // 750~752
{7, 6, 0}, {7, 6, 1}, {7, 6, 2}, {7, 6, 3}, {7, 6, 4}, {7, 6, 5}, {7, 6, 6}, {7, 6, 7}, {7, 6, 8}, {7, 6, 9}, // 760~769
{7, 7, 0}, {7, 7, 1}, {7, 7, 2}, {7, 7, 3}, {7, 7, 4}, {7, 7, 5}, {7, 7, 6}, {7, 7, 7}, {7, 7, 8}, {7, 7, 9}, // 770~779
{7, 8, 0}, {7, 8, 1}, {7, 8, 2}, {7, 8, 3}, {7, 8, 4}, {7, 8, 5}, {7, 8, 6}, {7, 8, 7}, {7, 8, 8}, {7, 8, 9}, // 780~789
{7, 9, 0}, {7, 9, 1}, {7, 9, 2}, {7, 9, 3}, {7, 9, 4}, {7, 9, 5}, {7, 9, 6}, {7, 9, 7}, {7, 9, 8}, {7, 9, 9}, // 790~799

{8, 0, 0}, {8, 0, 1}, {8, 0, 2}, {8, 0, 3}, {8, 0, 4}, {8, 0, 5}, {8, 0, 6}, {8, 0, 7}, {8, 0, 8}, {8, 0, 9}, // 800~809
{8, 1, 0}, {8, 1, 1}, {8, 1, 2}, {8, 1, 3}, {8, 1, 4}, {8, 1, 5}, {8, 1, 6}, {8, 1, 7}, {8, 1, 8}, {8, 1, 9}, // 810~819
{8, 2, 0}, {8, 2, 1}, {8, 2, 2}, {8, 2, 3}, {8, 2, 4}, {8, 2, 5}, {8, 2, 6}, {8, 2, 7}, {8, 2, 8}, {8, 2, 9}, // 820~829
{8, 3, 0}, {8, 3, 1}, {8, 3, 2}, {8, 3, 3}, {8, 3, 4}, {8, 3, 5}, {8, 3, 6}, {8, 3, 7}, {8, 3, 8}, {8, 3, 9}, // 830~839
{8, 4, 0}, {8, 4, 1}, {8, 4, 2}, {8, 4, 3}, {8, 4, 4}, {8, 4, 5}, {8, 4, 6}, {8, 4, 7}, {8, 4, 8}, {8, 4, 9}, // 840~849
{8, 5, 0}, {8, 5, 1}, {8, 5, 2}, {8, 5, 3}, {8, 5, 4}, {8, 5, 5}, {8, 5, 6}, {8, 5, 7}, {8, 5, 8}, {8, 5, 9}, // 850~852
{8, 6, 0}, {8, 6, 1}, {8, 6, 2}, {8, 6, 3}, {8, 6, 4}, {8, 6, 5}, {8, 6, 6}, {8, 6, 7}, {8, 6, 8}, {8, 6, 9}, // 860~869
{8, 7, 0}, {8, 7, 1}, {8, 7, 2}, {8, 7, 3}, {8, 7, 4}, {8, 7, 5}, {8, 7, 6}, {8, 7, 7}, {8, 7, 8}, {8, 7, 9}, // 870~879
{8, 8, 0}, {8, 8, 1}, {8, 8, 2}, {8, 8, 3}, {8, 8, 4}, {8, 8, 5}, {8, 8, 6}, {8, 8, 7}, {8, 8, 8}, {8, 8, 9}, // 880~889
{8, 9, 0}, {8, 9, 1}, {8, 9, 2}, {8, 9, 3}, {8, 9, 4}, {8, 9, 5}, {8, 9, 6}, {8, 9, 7}, {8, 9, 8}, {8, 9, 9}, // 890~899

{9, 0, 0}, {9, 0, 1}, {9, 0, 2}, {9, 0, 3}, {9, 0, 4}, {9, 0, 5}, {9, 0, 6}, {9, 0, 7}, {9, 0, 8}, {9, 0, 9}, // 900~909
{9, 1, 0}, {9, 1, 1}, {9, 1, 2}, {9, 1, 3}, {9, 1, 4}, {9, 1, 5}, {9, 1, 6}, {9, 1, 7}, {9, 1, 8}, {9, 1, 9}, // 910~919
{9, 2, 0}, {9, 2, 1}, {9, 2, 2}, {9, 2, 3}, {9, 2, 4}, {9, 2, 5}, {9, 2, 6}, {9, 2, 7}, {9, 2, 8}, {9, 2, 9}, // 920~929
{9, 3, 0}, {9, 3, 1}, {9, 3, 2}, {9, 3, 3}, {9, 3, 4}, {9, 3, 5}, {9, 3, 6}, {9, 3, 7}, {9, 3, 8}, {9, 3, 9}, // 930~939
{9, 4, 0}, {9, 4, 1}, {9, 4, 2}, {9, 4, 3}, {9, 4, 4}, {9, 4, 5}, {9, 4, 6}, {9, 4, 7}, {9, 4, 8}, {9, 4, 9}, // 940~949
{9, 5, 0}, {9, 5, 1}, {9, 5, 2}, {9, 5, 3}, {9, 5, 4}, {9, 5, 5}, {9, 5, 6}, {9, 5, 7}, {9, 5, 8}, {9, 5, 9}, // 950~952
{9, 6, 0}, {9, 6, 1}, {9, 6, 2}, {9, 6, 3}, {9, 6, 4}, {9, 6, 5}, {9, 6, 6}, {9, 6, 7}, {9, 6, 8}, {9, 6, 9}, // 960~969
{9, 7, 0}, {9, 7, 1}, {9, 7, 2}, {9, 7, 3}, {9, 7, 4}, {9, 7, 5}, {9, 7, 6}, {9, 7, 7}, {9, 7, 8}, {9, 7, 9}, // 970~979
{9, 8, 0}, {9, 8, 1}, {9, 8, 2}, {9, 8, 3}, {9, 8, 4}, {9, 8, 5}, {9, 8, 6}, {9, 8, 7}, {9, 8, 8}, {9, 8, 9}, // 980~989
{9, 9, 0}, {9, 9, 1}, {9, 9, 2}, {9, 9, 3}, {9, 9, 4}, {9, 9, 5}, {9, 9, 6}, {9, 9, 7}, {9, 9, 8}, {9, 9, 9}, // 990~999
};

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