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 21:13 | 4,333 | 31,388,534 | 11,884,000 | 1,980,000 | 2,494,464 | ||
| 2 | Mar 28, 2026 21:13 | 4,333 | 31,239,362 | 11,884,000 | 1,980,000 | 2,498,560 | ||
| 3 | Mar 28, 2026 21:11 | 4,333 | 28,608,860 | 12,875,000 | 990,000 | 2,281,472 | ||
| 4 | Mar 28, 2026 21:11 | 4,334 | 36,334,174 | 12,878,000 | 990,000 | 2,281,472 | ||
| 5 | Mar 28, 2026 21:12 | 4,336 | 29,931,024 | 13,874,000 | 0 | 2,281,472 | ||
| 6 | Mar 28, 2026 21:12 | 4,337 | 42,509,691 | 13,878,000 | 0 | 2,502,656 | ||
| 7 | Mar 28, 2026 21:12 | 4,337 | 39,433,005 | 12,888,000 | 991,000 | 2,490,368 | ||
| 8 | Mar 28, 2026 21:12 | 4,338 | 35,667,350 | 13,881,000 | 0 | 2,490,368 | ||
| 9 | Mar 28, 2026 21:13 | 4,338 | 37,811,800 | 13,882,000 | 0 | 2,490,368 | ||
| 10 | Mar 28, 2026 21:11 | 4,339 | 29,659,592 | 12,893,000 | 991,000 | 2,281,472 | ||
| 11 | Mar 28, 2026 21:11 | 4,339 | 29,238,474 | 12,895,000 | 991,000 | 2,498,560 | ||
| 12 | Mar 28, 2026 21:13 | 4,340 | 29,565,706 | 12,897,000 | 992,000 | 2,281,472 | ||
| 13 | Mar 28, 2026 21:11 | 4,340 | 39,769,486 | 12,896,000 | 992,000 | 2,498,560 | ||
| 14 | Mar 28, 2026 21:13 | 4,341 | 35,511,838 | 12,898,000 | 992,000 | 2,498,560 | ||
| 15 | Mar 28, 2026 21:12 | 4,341 | 30,507,120 | 13,892,000 | 0 | 2,494,464 | ||
| 16 | Mar 28, 2026 21:14 | 4,341 | 29,453,035 | 12,899,000 | 992,000 | 2,490,368 | ||
| 17 | Mar 28, 2026 21:11 | 4,341 | 28,974,295 | 11,906,000 | 1,984,000 | 2,494,464 | ||
| 18 | Mar 28, 2026 21:11 | 4,343 | 33,224,690 | 12,904,000 | 992,000 | 2,494,464 | ||
| 19 | Mar 28, 2026 21:11 | 4,343 | 33,634,709 | 12,905,000 | 992,000 | 2,490,368 | ||
| 20 | Mar 28, 2026 21:14 | 4,343 | 41,313,727 | 12,907,000 | 992,000 | 2,486,272 | ||
| 21 | Mar 28, 2026 21:13 | 4,345 | 31,358,314 | 13,903,000 | 0 | 2,494,464 | ||
| 22 | Mar 28, 2026 21:14 | 4,345 | 35,345,070 | 12,912,000 | 993,000 | 2,486,272 | ||
| 23 | Mar 28, 2026 21:13 | 4,345 | 27,485,585 | 12,912,000 | 993,000 | 2,281,472 | ||
| 24 | Mar 28, 2026 21:14 | 4,345 | 38,171,736 | 12,912,000 | 993,000 | 2,494,464 | ||
| 25 | Mar 28, 2026 21:14 | 4,346 | 31,652,071 | 12,914,000 | 993,000 | 2,281,472 | ||
| 26 | Mar 28, 2026 21:14 | 4,346 | 34,818,652 | 12,914,000 | 993,000 | 2,490,368 | ||
| 27 | Mar 28, 2026 21:11 | 4,346 | 29,465,739 | 12,914,000 | 993,000 | 2,281,472 | ||
| 28 | Mar 28, 2026 21:14 | 4,346 | 30,563,805 | 11,921,000 | 1,986,000 | 2,498,560 | ||
| 29 | Mar 28, 2026 21:11 | 4,346 | 29,737,071 | 12,915,000 | 993,000 | 2,498,560 | ||
| 30 | Mar 28, 2026 21:11 | 4,346 | 35,699,817 | 13,906,000 | 0 | 2,498,560 | ||
| 31 | Mar 28, 2026 21:13 | 4,347 | 34,767,642 | 12,916,000 | 993,000 | 2,494,464 | ||
| 32 | Mar 28, 2026 21:14 | 4,347 | 29,385,780 | 12,840,000 | 1,070,000 | 2,277,376 | ||
| 33 | Mar 28, 2026 21:13 | 4,348 | 33,750,098 | 13,914,000 | 0 | 2,502,656 | ||
| 34 | Mar 28, 2026 21:11 | 4,348 | 34,779,022 | 12,920,000 | 993,000 | 2,281,472 | ||
| 35 | Mar 28, 2026 21:11 | 4,349 | 36,822,493 | 12,922,000 | 994,000 | 2,281,472 | ||
| 36 | Mar 28, 2026 21:13 | 4,349 | 38,415,924 | 11,930,000 | 1,988,000 | 2,490,368 | ||
| 37 | Mar 28, 2026 21:12 | 4,350 | 31,145,524 | 11,933,000 | 1,988,000 | 2,490,368 | ||
| 38 | Mar 28, 2026 21:14 | 4,352 | 29,924,394 | 12,931,000 | 994,000 | 2,494,464 | ||
| 39 | Mar 28, 2026 21:11 | 4,352 | 31,505,386 | 13,926,000 | 0 | 2,281,472 | ||
| 40 | Mar 28, 2026 21:12 | 4,352 | 33,711,361 | 12,933,000 | 994,000 | 2,494,464 | ||
| 41 | Mar 28, 2026 21:14 | 4,352 | 25,962,490 | 12,933,000 | 994,000 | 2,281,472 | ||
| 42 | Mar 28, 2026 21:12 | 4,352 | 30,809,044 | 11,938,000 | 1,989,000 | 2,506,752 | ||
| 43 | Mar 28, 2026 21:12 | 4,354 | 29,885,390 | 12,937,000 | 995,000 | 2,281,472 | ||
| 44 | Mar 28, 2026 21:11 | 4,354 | 47,416,198 | 12,937,000 | 995,000 | 2,498,560 | ||
| 45 | Mar 28, 2026 21:14 | 4,354 | 31,095,892 | 12,938,000 | 995,000 | 2,281,472 | ||
| 46 | Mar 28, 2026 21:12 | 4,355 | 27,844,702 | 12,942,000 | 995,000 | 2,281,472 | ||
| 47 | Mar 28, 2026 21:13 | 4,355 | 32,956,205 | 11,946,000 | 1,991,000 | 2,490,368 | ||
| 48 | Mar 28, 2026 21:12 | 4,356 | 38,670,097 | 12,944,000 | 995,000 | 2,535,424 | ||
| 49 | Mar 28, 2026 21:14 | 4,356 | 28,164,864 | 12,943,000 | 995,000 | 2,502,656 | ||
| 50 | Mar 28, 2026 21:12 | 4,358 | 26,725,470 | 12,948,000 | 996,000 | 2,281,472 | ||
| 51 | Mar 28, 2026 21:12 | 4,358 | 39,408,521 | 11,953,000 | 1,992,000 | 2,281,472 | ||
| 52 | Mar 28, 2026 21:14 | 4,358 | 33,868,829 | 12,950,000 | 996,000 | 2,281,472 | ||
| 53 | Mar 28, 2026 21:11 | 4,358 | 28,996,743 | 12,951,000 | 996,000 | 2,502,656 | ||
| 54 | Mar 28, 2026 21:11 | 4,359 | 28,513,583 | 12,953,000 | 996,000 | 2,494,464 | ||
| 55 | Mar 28, 2026 21:13 | 4,360 | 30,054,018 | 12,957,000 | 996,000 | 2,490,368 | ||
| 56 | Mar 28, 2026 21:13 | 4,360 | 30,028,067 | 12,955,000 | 996,000 | 2,281,472 | ||
| 57 | Mar 28, 2026 21:14 | 4,360 | 42,077,210 | 11,958,000 | 1,993,000 | 2,490,368 | ||
| 58 | Mar 28, 2026 21:11 | 4,361 | 30,924,601 | 11,963,000 | 1,993,000 | 2,502,656 | ||
| 59 | Mar 28, 2026 21:12 | 4,361 | 30,197,479 | 11,963,000 | 1,993,000 | 2,490,368 | ||
| 60 | Mar 28, 2026 21:14 | 4,363 | 32,880,932 | 12,966,000 | 997,000 | 2,502,656 | ||
| 61 | Mar 28, 2026 21:13 | 4,364 | 31,712,094 | 11,970,000 | 1,995,000 | 2,281,472 | ||
| 62 | Mar 28, 2026 21:14 | 4,364 | 35,289,579 | 12,969,000 | 997,000 | 2,498,560 | ||
| 63 | Mar 28, 2026 21:11 | 4,364 | 29,695,419 | 12,968,000 | 997,000 | 2,281,472 | ||
| 64 | Mar 28, 2026 21:11 | 4,364 | 30,997,583 | 12,967,000 | 997,000 | 2,281,472 | ||
| 65 | Mar 28, 2026 21:12 | 4,368 | 34,228,106 | 12,978,000 | 998,000 | 2,494,464 | ||
| 66 | Mar 28, 2026 21:13 | 4,368 | 41,789,422 | 11,981,000 | 1,996,000 | 2,498,560 | ||
| 67 | Mar 28, 2026 21:13 | 4,369 | 29,532,645 | 11,983,000 | 1,997,000 | 2,281,472 | ||
| 68 | Mar 28, 2026 21:11 | 4,369 | 31,733,625 | 12,982,000 | 998,000 | 2,281,472 | ||
| 69 | Mar 28, 2026 21:11 | 4,370 | 30,880,350 | 12,985,000 | 998,000 | 2,498,560 | ||
| 70 | Mar 28, 2026 21:13 | 4,371 | 33,315,918 | 11,990,000 | 1,998,000 | 2,482,176 | ||
| 71 | Mar 28, 2026 21:13 | 4,371 | 40,976,179 | 11,989,000 | 1,998,000 | 2,494,464 | ||
| 72 | Mar 28, 2026 21:13 | 4,372 | 29,976,322 | 11,993,000 | 1,998,000 | 2,281,472 | ||
| 73 | Mar 28, 2026 21:12 | 4,372 | 31,570,755 | 11,993,000 | 1,998,000 | 2,281,472 | ||
| 74 | Mar 28, 2026 21:13 | 4,373 | 35,181,005 | 12,993,000 | 999,000 | 2,498,560 | ||
| 75 | Mar 28, 2026 21:12 | 4,373 | 36,175,594 | 12,994,000 | 999,000 | 2,281,472 | ||
| 76 | Mar 28, 2026 21:14 | 4,373 | 42,411,262 | 12,993,000 | 999,000 | 2,535,424 | ||
| 77 | Mar 28, 2026 21:12 | 4,374 | 28,891,421 | 12,999,000 | 999,000 | 2,490,368 | ||
| 78 | Mar 28, 2026 21:13 | 4,375 | 30,821,877 | 13,001,000 | 1,000,000 | 2,277,376 | ||
| 79 | Mar 28, 2026 21:12 | 4,377 | 36,000,304 | 12,005,000 | 2,000,000 | 2,535,424 | ||
| 80 | Mar 28, 2026 21:11 | 4,381 | 35,598,451 | 12,016,000 | 2,002,000 | 2,498,560 | ||
| 81 | Mar 28, 2026 21:12 | 4,382 | 27,444,315 | 12,020,000 | 2,003,000 | 2,281,472 | ||
| 82 | Mar 28, 2026 21:12 | 4,383 | 28,919,297 | 12,023,000 | 2,003,000 | 2,498,560 | ||
| 83 | Mar 28, 2026 21:13 | 4,383 | 34,041,655 | 13,023,000 | 1,001,000 | 2,281,472 | ||
| 84 | Mar 28, 2026 21:11 | 4,384 | 31,923,557 | 13,026,000 | 1,002,000 | 2,502,656 | ||
| 85 | Mar 28, 2026 21:13 | 4,385 | 40,450,324 | 12,027,000 | 2,004,000 | 2,281,472 | ||
| 86 | Mar 28, 2026 21:13 | 4,386 | 31,787,730 | 12,030,000 | 2,005,000 | 2,281,472 | ||
| 87 | Mar 28, 2026 21:12 | 4,386 | 32,871,632 | 12,030,000 | 2,005,000 | 2,281,472 | ||
| 88 | Mar 28, 2026 21:12 | 4,389 | 26,659,039 | 12,038,000 | 2,006,000 | 2,494,464 | ||
| 89 | Mar 28, 2026 21:12 | 4,395 | 28,626,400 | 12,054,000 | 2,009,000 | 2,498,560 | ||
| 90 | Mar 28, 2026 21:14 | 4,404 | 34,539,787 | 13,087,000 | 1,006,000 | 2,498,560 |