Count uint8 
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.
Source Code
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Challenge History
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Run Statistics
| # | Date | Score | Wall Time | CPU User | CPU System | Memory | Error | |
|---|---|---|---|---|---|---|---|---|
| 1 | Mar 28, 2026 13:48 | 4,325 | 40,984,960 | 12,775,000 | 1,064,000 | 2,498,560 | ||
| 2 | Mar 28, 2026 13:46 | 4,330 | 39,063,240 | 12,867,000 | 989,000 | 2,502,656 | ||
| 3 | Mar 28, 2026 13:49 | 4,331 | 26,918,738 | 12,870,000 | 990,000 | 2,498,560 | ||
| 4 | Mar 28, 2026 13:46 | 4,331 | 28,180,508 | 12,869,000 | 989,000 | 2,498,560 | ||
| 5 | Mar 28, 2026 13:48 | 4,332 | 33,727,371 | 12,871,000 | 990,000 | 2,494,464 | ||
| 6 | Mar 28, 2026 13:49 | 4,332 | 32,166,646 | 11,882,000 | 1,980,000 | 2,506,752 | ||
| 7 | Mar 28, 2026 13:47 | 4,332 | 29,897,851 | 12,873,000 | 990,000 | 2,502,656 | ||
| 8 | Mar 28, 2026 13:49 | 4,333 | 29,116,615 | 13,865,000 | 0 | 2,490,368 | ||
| 9 | Mar 28, 2026 13:49 | 4,333 | 40,078,859 | 13,865,000 | 0 | 2,281,472 | ||
| 10 | Mar 28, 2026 13:48 | 4,334 | 26,078,206 | 12,879,000 | 990,000 | 2,490,368 | ||
| 11 | Mar 28, 2026 13:46 | 4,336 | 29,827,956 | 12,884,000 | 991,000 | 2,498,560 | ||
| 12 | Mar 28, 2026 13:47 | 4,336 | 29,475,251 | 12,884,000 | 991,000 | 2,494,464 | ||
| 13 | Mar 28, 2026 13:48 | 4,337 | 28,583,237 | 12,888,000 | 991,000 | 2,494,464 | ||
| 14 | Mar 28, 2026 13:46 | 4,338 | 28,359,504 | 13,881,000 | 0 | 2,498,560 | ||
| 15 | Mar 28, 2026 13:47 | 4,338 | 29,321,058 | 12,890,000 | 991,000 | 2,498,560 | ||
| 16 | Mar 28, 2026 13:49 | 4,339 | 27,217,286 | 12,895,000 | 991,000 | 2,490,368 | ||
| 17 | Mar 28, 2026 13:46 | 4,339 | 28,022,349 | 13,885,000 | 0 | 2,490,368 | ||
| 18 | Mar 28, 2026 13:46 | 4,339 | 28,228,256 | 12,893,000 | 991,000 | 2,281,472 | ||
| 19 | Mar 28, 2026 13:48 | 4,340 | 29,654,688 | 12,896,000 | 992,000 | 2,498,560 | ||
| 20 | Mar 28, 2026 13:49 | 4,340 | 29,962,690 | 12,896,000 | 992,000 | 2,281,472 | ||
| 21 | Mar 28, 2026 13:47 | 4,340 | 46,383,796 | 13,887,000 | 0 | 2,490,368 | ||
| 22 | Mar 28, 2026 13:49 | 4,340 | 31,015,036 | 13,887,000 | 0 | 2,281,472 | ||
| 23 | Mar 28, 2026 13:49 | 4,341 | 43,327,509 | 12,899,000 | 992,000 | 2,494,464 | ||
| 24 | Mar 28, 2026 13:47 | 4,341 | 39,686,957 | 12,898,000 | 992,000 | 2,486,272 | ||
| 25 | Mar 28, 2026 13:47 | 4,341 | 33,243,838 | 12,899,000 | 992,000 | 2,281,472 | ||
| 26 | Mar 28, 2026 13:47 | 4,341 | 28,104,280 | 12,898,000 | 992,000 | 2,281,472 | ||
| 27 | Mar 28, 2026 13:48 | 4,341 | 40,240,732 | 12,898,000 | 992,000 | 2,502,656 | ||
| 28 | Mar 28, 2026 13:47 | 4,341 | 27,229,409 | 13,890,000 | 0 | 2,494,464 | ||
| 29 | Mar 28, 2026 13:46 | 4,342 | 39,027,543 | 12,901,000 | 992,000 | 2,494,464 | ||
| 30 | Mar 28, 2026 13:47 | 4,342 | 35,600,397 | 12,902,000 | 992,000 | 2,281,472 | ||
| 31 | Mar 28, 2026 13:46 | 4,342 | 29,920,828 | 12,903,000 | 992,000 | 2,494,464 | ||
| 32 | Mar 28, 2026 13:49 | 4,342 | 29,104,095 | 12,903,000 | 992,000 | 2,281,472 | ||
| 33 | Mar 28, 2026 13:50 | 4,343 | 27,536,788 | 13,899,000 | 0 | 2,494,464 | ||
| 34 | Mar 28, 2026 13:46 | 4,344 | 29,337,400 | 12,909,000 | 993,000 | 2,490,368 | ||
| 35 | Mar 28, 2026 13:47 | 4,344 | 33,767,133 | 12,909,000 | 993,000 | 2,494,464 | ||
| 36 | Mar 28, 2026 13:49 | 4,344 | 25,029,182 | 13,902,000 | 0 | 2,273,280 | ||
| 37 | Mar 28, 2026 13:48 | 4,345 | 45,368,252 | 12,910,000 | 993,000 | 2,494,464 | ||
| 38 | Mar 28, 2026 13:49 | 4,346 | 38,682,057 | 13,906,000 | 0 | 2,486,272 | ||
| 39 | Mar 28, 2026 13:49 | 4,346 | 34,884,097 | 13,906,000 | 0 | 2,281,472 | ||
| 40 | Mar 28, 2026 13:49 | 4,347 | 33,209,315 | 12,918,000 | 993,000 | 2,281,472 | ||
| 41 | Mar 28, 2026 13:48 | 4,347 | 29,084,400 | 12,918,000 | 993,000 | 2,498,560 | ||
| 42 | Mar 28, 2026 13:48 | 4,347 | 34,166,119 | 13,910,000 | 0 | 2,502,656 | ||
| 43 | Mar 28, 2026 13:46 | 4,348 | 40,696,616 | 12,919,000 | 993,000 | 2,281,472 | ||
| 44 | Mar 28, 2026 13:49 | 4,349 | 34,825,433 | 12,924,000 | 994,000 | 2,494,464 | ||
| 45 | Mar 28, 2026 13:49 | 4,349 | 24,345,048 | 12,922,000 | 994,000 | 2,498,560 | ||
| 46 | Mar 28, 2026 13:48 | 4,350 | 33,358,732 | 12,925,000 | 994,000 | 2,502,656 | ||
| 47 | Mar 28, 2026 13:47 | 4,350 | 29,970,931 | 12,927,000 | 994,000 | 2,281,472 | ||
| 48 | Mar 28, 2026 13:47 | 4,350 | 31,587,141 | 12,925,000 | 994,000 | 2,490,368 | ||
| 49 | Mar 28, 2026 13:48 | 4,351 | 29,127,664 | 12,930,000 | 994,000 | 2,281,472 | ||
| 50 | Mar 28, 2026 13:50 | 4,351 | 31,266,072 | 12,930,000 | 994,000 | 2,494,464 | ||
| 51 | Mar 28, 2026 13:46 | 4,352 | 28,802,384 | 11,936,000 | 1,989,000 | 2,494,464 | ||
| 52 | Mar 28, 2026 13:50 | 4,353 | 34,127,636 | 11,941,000 | 1,990,000 | 2,535,424 | ||
| 53 | Mar 28, 2026 13:46 | 4,353 | 34,073,507 | 12,935,000 | 995,000 | 2,281,472 | ||
| 54 | Mar 28, 2026 13:49 | 4,353 | 28,892,104 | 12,934,000 | 994,000 | 2,281,472 | ||
| 55 | Mar 28, 2026 13:49 | 4,355 | 34,325,599 | 12,942,000 | 995,000 | 2,494,464 | ||
| 56 | Mar 28, 2026 13:48 | 4,355 | 26,181,940 | 13,936,000 | 0 | 2,281,472 | ||
| 57 | Mar 28, 2026 13:50 | 4,355 | 31,508,419 | 11,946,000 | 1,991,000 | 2,486,272 | ||
| 58 | Mar 28, 2026 13:46 | 4,357 | 30,389,370 | 12,947,000 | 995,000 | 2,490,368 | ||
| 59 | Mar 28, 2026 13:46 | 4,358 | 27,001,896 | 12,949,000 | 996,000 | 2,281,472 | ||
| 60 | Mar 28, 2026 13:49 | 4,358 | 29,220,002 | 12,949,000 | 996,000 | 2,281,472 | ||
| 61 | Mar 28, 2026 13:46 | 4,358 | 36,434,967 | 12,948,000 | 996,000 | 2,281,472 | ||
| 62 | Mar 28, 2026 13:47 | 4,359 | 35,352,356 | 12,954,000 | 996,000 | 2,490,368 | ||
| 63 | Mar 28, 2026 13:46 | 4,359 | 26,122,016 | 12,953,000 | 996,000 | 2,494,464 | ||
| 64 | Mar 28, 2026 13:47 | 4,360 | 40,780,132 | 12,956,000 | 996,000 | 2,281,472 | ||
| 65 | Mar 28, 2026 13:50 | 4,360 | 35,382,672 | 12,956,000 | 996,000 | 2,494,464 | ||
| 66 | Mar 28, 2026 13:50 | 4,361 | 26,175,715 | 12,959,000 | 996,000 | 2,281,472 | ||
| 67 | Mar 28, 2026 13:50 | 4,362 | 27,167,507 | 12,961,000 | 997,000 | 2,281,472 | ||
| 68 | Mar 28, 2026 13:49 | 4,363 | 34,431,154 | 12,963,000 | 997,000 | 2,502,656 | ||
| 69 | Mar 28, 2026 13:50 | 4,363 | 34,970,341 | 12,963,000 | 997,000 | 2,281,472 | ||
| 70 | Mar 28, 2026 13:47 | 4,363 | 26,699,546 | 12,963,000 | 997,000 | 2,502,656 | ||
| 71 | Mar 28, 2026 13:46 | 4,364 | 27,599,066 | 11,970,000 | 1,995,000 | 2,498,560 | ||
| 72 | Mar 28, 2026 13:46 | 4,365 | 34,689,686 | 12,972,000 | 997,000 | 2,502,656 | ||
| 73 | Mar 28, 2026 13:47 | 4,367 | 31,108,783 | 12,977,000 | 998,000 | 2,498,560 | ||
| 74 | Mar 28, 2026 13:46 | 4,369 | 31,470,508 | 12,983,000 | 998,000 | 2,498,560 | ||
| 75 | Mar 28, 2026 13:47 | 4,370 | 29,371,912 | 12,986,000 | 998,000 | 2,281,472 | ||
| 76 | Mar 28, 2026 13:50 | 4,372 | 33,263,224 | 11,992,000 | 1,998,000 | 2,281,472 | ||
| 77 | Mar 28, 2026 13:47 | 4,372 | 39,909,539 | 11,991,000 | 1,998,000 | 2,281,472 | ||
| 78 | Mar 28, 2026 13:48 | 4,373 | 34,574,004 | 11,994,000 | 1,999,000 | 2,281,472 | ||
| 79 | Mar 28, 2026 13:49 | 4,373 | 37,219,583 | 12,993,000 | 999,000 | 2,486,272 | ||
| 80 | Mar 28, 2026 13:46 | 4,374 | 34,024,602 | 11,998,000 | 1,999,000 | 2,502,656 | ||
| 81 | Mar 28, 2026 13:48 | 4,378 | 31,805,855 | 13,008,000 | 1,000,000 | 2,494,464 | ||
| 82 | Mar 28, 2026 13:48 | 4,378 | 31,967,597 | 13,009,000 | 1,000,000 | 2,281,472 | ||
| 83 | Mar 28, 2026 13:50 | 4,379 | 35,148,588 | 13,013,000 | 1,001,000 | 2,490,368 | ||
| 84 | Mar 28, 2026 13:48 | 4,380 | 27,231,314 | 13,015,000 | 1,001,000 | 2,494,464 | ||
| 85 | Mar 28, 2026 13:48 | 4,382 | 29,667,102 | 13,022,000 | 1,001,000 | 2,502,656 | ||
| 86 | Mar 28, 2026 13:50 | 4,383 | 36,311,512 | 13,024,000 | 1,001,000 | 2,494,464 | ||
| 87 | Mar 28, 2026 13:49 | 4,386 | 30,979,839 | 13,033,000 | 1,002,000 | 2,281,472 | ||
| 88 | Mar 28, 2026 13:50 | 4,391 | 34,007,892 | 12,045,000 | 2,007,000 | 2,281,472 | ||
| 89 | Mar 28, 2026 13:46 | 4,393 | 31,888,450 | 13,054,000 | 1,004,000 | 2,281,472 | ||
| 90 | Mar 28, 2026 13:48 | 4,465 | 30,436,466 | 12,246,000 | 2,041,000 | 2,281,472 |