Count uint8 Sergey Svistunov

Count the number of bytes equal to 127 in a binary stream as fast as possible.

Input: 250 000 000 uint8 values in binary on STDIN.

Output: The count of elements equal to 127, printed as a decimal string.

Back to listMar 28, 2026 08:45olliecrowolliecrowScore: 4,427Success
Source Code

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Challenge History

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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Mar 28, 2026 08:514,39137,227,34912,044,0002,007,0002,408,448
2Mar 28, 2026 08:424,39332,824,09412,051,0002,008,0002,285,568
3Mar 28, 2026 08:494,39632,101,00713,063,0001,004,0002,412,544
4Mar 28, 2026 08:434,39737,772,10812,060,0002,010,0002,412,544
5Mar 28, 2026 08:414,39732,257,21612,060,0002,010,0002,400,256
6Mar 28, 2026 08:504,40030,140,19212,068,0002,011,0002,412,544
7Mar 28, 2026 08:424,40034,461,84313,076,0001,005,0002,404,352
8Mar 28, 2026 08:454,40126,460,26112,071,0002,011,0002,400,256
9Mar 28, 2026 08:434,40230,349,50512,075,0002,012,0002,408,448
10Mar 28, 2026 08:504,40431,097,02313,088,0001,006,0002,285,568
11Mar 28, 2026 08:424,40642,490,35012,084,0002,014,0002,408,448
12Mar 28, 2026 08:414,40630,185,57313,092,0001,007,0002,281,472
13Mar 28, 2026 08:504,40631,600,20012,086,0002,014,0002,412,544
14Mar 28, 2026 08:414,40940,505,43512,094,0002,015,0002,285,568
15Mar 28, 2026 08:454,41038,534,17612,096,0002,016,0002,408,448
16Mar 28, 2026 08:494,41129,221,44612,099,0002,016,0002,400,256
17Mar 28, 2026 08:424,41131,470,76712,100,0002,016,0002,408,448
18Mar 28, 2026 08:494,41128,662,70212,098,0002,016,0002,285,568
19Mar 28, 2026 08:464,41235,239,54412,102,0002,017,0002,285,568
20Mar 28, 2026 08:494,41329,812,46112,104,0002,017,0002,408,448
21Mar 28, 2026 08:504,41336,850,84713,113,0001,008,0002,412,544
22Mar 28, 2026 08:424,41630,837,15313,121,0001,009,0002,412,544
23Mar 28, 2026 08:434,41738,431,55412,115,0002,019,0002,404,352
24Mar 28, 2026 08:434,41731,453,92813,125,0001,009,0002,396,160
25Mar 28, 2026 08:434,41828,762,50112,119,0002,019,0002,412,544
26Mar 28, 2026 08:504,42033,465,30412,124,0002,020,0002,404,352
27Mar 28, 2026 08:434,42032,372,12313,133,0001,010,0002,285,568
28Mar 28, 2026 08:424,42030,938,26912,123,0002,020,0002,412,544
29Mar 28, 2026 08:414,42030,961,81712,124,0002,020,0002,400,256
30Mar 28, 2026 08:454,42039,213,10112,124,0002,020,0002,285,568
31Mar 28, 2026 08:424,42135,626,63613,138,0001,010,0002,285,568
32Mar 28, 2026 08:454,42329,768,95213,143,0001,011,0002,416,640
33Mar 28, 2026 08:414,42337,599,88612,131,0002,021,0002,404,352
34Mar 28, 2026 08:424,42431,826,64412,136,0002,022,0002,408,448
35Mar 28, 2026 08:504,42436,239,10912,134,0002,022,0002,285,568
36Mar 28, 2026 08:494,42533,601,47512,138,0002,023,0002,412,544
37Mar 28, 2026 08:494,42530,094,78813,148,0001,011,0002,408,448
38Mar 28, 2026 08:504,42538,561,43713,149,0001,011,0002,404,352
39Mar 28, 2026 08:424,42627,090,71912,141,0002,023,0002,408,448
40Mar 28, 2026 08:434,42733,480,44113,155,0001,011,0002,281,472
41Mar 28, 2026 08:414,42833,417,06713,158,0001,012,0002,408,448
42Mar 28, 2026 08:494,42829,743,88112,146,0002,024,0002,408,448
43Mar 28, 2026 08:504,42931,708,37613,161,0001,012,0002,412,544
44Mar 28, 2026 08:494,42940,870,13312,148,0002,024,0002,408,448
45Mar 28, 2026 08:414,42929,407,11012,148,0002,024,0002,404,352
46Mar 28, 2026 08:504,42930,988,72913,162,0001,012,0002,285,568
47Mar 28, 2026 08:434,42940,267,63212,149,0002,024,0002,408,448
48Mar 28, 2026 08:434,43130,774,16312,154,0002,025,0002,285,568
49Mar 28, 2026 08:514,43130,933,79213,168,0001,012,0002,408,448
50Mar 28, 2026 08:504,43330,316,06312,161,0002,026,0002,416,640
51Mar 28, 2026 08:414,43435,602,66412,162,0002,027,0002,285,568
52Mar 28, 2026 08:494,43442,321,56512,162,0002,027,0002,285,568
53Mar 28, 2026 08:454,43435,221,94213,175,0001,013,0002,510,848
54Mar 28, 2026 08:504,43533,473,18613,179,0001,013,0002,285,568
55Mar 28, 2026 08:514,43634,826,18012,167,0002,027,0002,285,568
56Mar 28, 2026 08:464,43630,792,98212,167,0002,027,0002,281,472
57Mar 28, 2026 08:464,43733,112,12812,170,0002,028,0002,404,352
58Mar 28, 2026 08:454,43737,318,84912,170,0002,028,0002,277,376
59Mar 28, 2026 08:434,43830,039,86613,187,0001,014,0002,285,568
60Mar 28, 2026 08:434,44031,140,41513,194,0001,014,0002,408,448
61Mar 28, 2026 08:424,44234,814,39213,200,0001,015,0002,408,448
62Mar 28, 2026 08:414,44531,406,11613,208,0001,016,0002,285,568
63Mar 28, 2026 08:424,44835,246,04913,217,0001,016,0002,285,568
64Mar 28, 2026 08:424,44934,443,44112,204,0002,034,0002,412,544
65Mar 28, 2026 08:504,45331,166,83213,233,0001,017,0002,285,568
66Mar 28, 2026 08:434,46031,347,59214,272,00002,404,352
67Mar 28, 2026 08:514,52132,043,51014,468,00002,285,568
68Mar 28, 2026 08:514,52329,873,78313,439,0001,033,0002,404,352
69Mar 28, 2026 08:514,52737,173,71414,486,00002,412,544
70Mar 28, 2026 08:514,54332,096,52014,538,00002,285,568
71Mar 28, 2026 08:514,54330,199,26313,499,0001,038,0002,400,256
72Mar 28, 2026 08:454,55234,175,78314,565,00002,285,568
73Mar 28, 2026 08:514,57831,977,23913,604,0001,046,0002,404,352
74Mar 28, 2026 08:514,58446,813,65914,670,00002,285,568
75Mar 28, 2026 08:454,60637,246,31813,688,0001,052,0002,285,568
76Mar 28, 2026 08:514,68431,099,88413,991,000999,0002,412,544
77Mar 28, 2026 08:514,81137,189,01013,471,0001,924,0002,408,448
78Mar 28, 2026 08:454,98044,633,57713,945,0001,992,0002,285,568