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 16:07 | 4,317 | 32,005,977 | 12,827,000 | 986,000 | 2,494,464 | ||
| 2 | Mar 28, 2026 16:05 | 4,324 | 29,867,204 | 13,837,000 | 0 | 2,273,280 | ||
| 3 | Mar 28, 2026 16:06 | 4,329 | 27,906,611 | 12,864,000 | 989,000 | 2,494,464 | ||
| 4 | Mar 28, 2026 16:07 | 4,333 | 40,181,381 | 12,877,000 | 990,000 | 2,281,472 | ||
| 5 | Mar 28, 2026 16:08 | 4,333 | 33,732,362 | 12,877,000 | 990,000 | 2,494,464 | ||
| 6 | Mar 28, 2026 16:07 | 4,334 | 36,155,189 | 12,880,000 | 990,000 | 2,494,464 | ||
| 7 | Mar 28, 2026 16:07 | 4,335 | 37,958,310 | 12,881,000 | 990,000 | 2,494,464 | ||
| 8 | Mar 28, 2026 16:08 | 4,336 | 36,352,409 | 12,885,000 | 991,000 | 2,490,368 | ||
| 9 | Mar 28, 2026 16:06 | 4,336 | 32,908,670 | 12,883,000 | 991,000 | 2,486,272 | ||
| 10 | Mar 28, 2026 16:08 | 4,337 | 43,498,253 | 12,888,000 | 991,000 | 2,498,560 | ||
| 11 | Mar 28, 2026 16:07 | 4,337 | 45,283,811 | 12,887,000 | 991,000 | 2,506,752 | ||
| 12 | Mar 28, 2026 16:05 | 4,337 | 30,550,125 | 12,887,000 | 991,000 | 2,482,176 | ||
| 13 | Mar 28, 2026 16:07 | 4,337 | 28,884,805 | 12,887,000 | 991,000 | 2,281,472 | ||
| 14 | Mar 28, 2026 16:09 | 4,337 | 35,698,544 | 12,888,000 | 991,000 | 2,281,472 | ||
| 15 | Mar 28, 2026 16:05 | 4,338 | 40,965,284 | 12,891,000 | 991,000 | 2,486,272 | ||
| 16 | Mar 28, 2026 16:06 | 4,338 | 26,855,125 | 12,892,000 | 991,000 | 2,490,368 | ||
| 17 | Mar 28, 2026 16:08 | 4,338 | 29,922,899 | 12,889,000 | 991,000 | 2,498,560 | ||
| 18 | Mar 28, 2026 16:08 | 4,338 | 26,619,676 | 12,890,000 | 991,000 | 2,281,472 | ||
| 19 | Mar 28, 2026 16:07 | 4,338 | 30,636,929 | 13,883,000 | 0 | 2,490,368 | ||
| 20 | Mar 28, 2026 16:06 | 4,339 | 29,480,765 | 12,893,000 | 991,000 | 2,498,560 | ||
| 21 | Mar 28, 2026 16:07 | 4,340 | 36,206,848 | 12,896,000 | 992,000 | 2,494,464 | ||
| 22 | Mar 28, 2026 16:06 | 4,341 | 29,041,937 | 12,898,000 | 992,000 | 2,494,464 | ||
| 23 | Mar 28, 2026 16:05 | 4,341 | 33,681,875 | 13,892,000 | 0 | 2,490,368 | ||
| 24 | Mar 28, 2026 16:05 | 4,341 | 31,398,920 | 11,906,000 | 1,984,000 | 2,502,656 | ||
| 25 | Mar 28, 2026 16:09 | 4,342 | 29,585,237 | 12,902,000 | 992,000 | 2,490,368 | ||
| 26 | Mar 28, 2026 16:05 | 4,343 | 27,983,503 | 11,912,000 | 1,985,000 | 2,502,656 | ||
| 27 | Mar 28, 2026 16:09 | 4,343 | 39,625,055 | 13,896,000 | 0 | 2,281,472 | ||
| 28 | Mar 28, 2026 16:06 | 4,343 | 32,447,907 | 12,905,000 | 992,000 | 2,498,560 | ||
| 29 | Mar 28, 2026 16:09 | 4,345 | 41,209,114 | 12,910,000 | 993,000 | 2,281,472 | ||
| 30 | Mar 28, 2026 16:05 | 4,345 | 29,332,378 | 12,910,000 | 993,000 | 2,494,464 | ||
| 31 | Mar 28, 2026 16:09 | 4,346 | 42,608,413 | 12,913,000 | 993,000 | 2,281,472 | ||
| 32 | Mar 28, 2026 16:08 | 4,346 | 38,083,595 | 13,908,000 | 0 | 2,490,368 | ||
| 33 | Mar 28, 2026 16:06 | 4,347 | 38,269,262 | 12,918,000 | 993,000 | 2,502,656 | ||
| 34 | Mar 28, 2026 16:06 | 4,347 | 33,852,536 | 13,909,000 | 0 | 2,498,560 | ||
| 35 | Mar 28, 2026 16:06 | 4,347 | 37,638,351 | 12,917,000 | 993,000 | 2,498,560 | ||
| 36 | Mar 28, 2026 16:08 | 4,348 | 28,750,653 | 12,920,000 | 993,000 | 2,490,368 | ||
| 37 | Mar 28, 2026 16:08 | 4,348 | 33,677,191 | 12,920,000 | 993,000 | 2,494,464 | ||
| 38 | Mar 28, 2026 16:06 | 4,348 | 31,124,635 | 13,915,000 | 0 | 2,490,368 | ||
| 39 | Mar 28, 2026 16:08 | 4,348 | 27,884,312 | 12,920,000 | 993,000 | 2,490,368 | ||
| 40 | Mar 28, 2026 16:09 | 4,348 | 33,787,734 | 12,919,000 | 993,000 | 2,281,472 | ||
| 41 | Mar 28, 2026 16:08 | 4,349 | 27,841,055 | 11,930,000 | 1,988,000 | 2,498,560 | ||
| 42 | Mar 28, 2026 16:05 | 4,350 | 28,881,913 | 12,926,000 | 994,000 | 2,498,560 | ||
| 43 | Mar 28, 2026 16:06 | 4,351 | 47,088,961 | 12,930,000 | 994,000 | 2,490,368 | ||
| 44 | Mar 28, 2026 16:05 | 4,351 | 37,020,691 | 11,935,000 | 1,989,000 | 2,281,472 | ||
| 45 | Mar 28, 2026 16:09 | 4,353 | 40,174,204 | 12,935,000 | 995,000 | 2,494,464 | ||
| 46 | Mar 28, 2026 16:08 | 4,353 | 30,396,624 | 12,934,000 | 994,000 | 2,494,464 | ||
| 47 | Mar 28, 2026 16:06 | 4,353 | 33,135,840 | 12,936,000 | 995,000 | 2,281,472 | ||
| 48 | Mar 28, 2026 16:06 | 4,353 | 32,271,919 | 12,936,000 | 995,000 | 2,281,472 | ||
| 49 | Mar 28, 2026 16:06 | 4,353 | 30,810,361 | 12,936,000 | 995,000 | 2,498,560 | ||
| 50 | Mar 28, 2026 16:08 | 4,354 | 31,077,453 | 11,944,000 | 1,990,000 | 2,494,464 | ||
| 51 | Mar 28, 2026 16:06 | 4,355 | 31,006,805 | 12,940,000 | 995,000 | 2,281,472 | ||
| 52 | Mar 28, 2026 16:07 | 4,356 | 35,811,914 | 11,947,000 | 1,991,000 | 2,494,464 | ||
| 53 | Mar 28, 2026 16:09 | 4,356 | 36,922,246 | 12,943,000 | 995,000 | 2,502,656 | ||
| 54 | Mar 28, 2026 16:06 | 4,356 | 28,404,291 | 12,943,000 | 995,000 | 2,281,472 | ||
| 55 | Mar 28, 2026 16:05 | 4,358 | 32,686,771 | 12,950,000 | 996,000 | 2,281,472 | ||
| 56 | Mar 28, 2026 16:08 | 4,359 | 36,835,629 | 11,956,000 | 1,992,000 | 2,490,368 | ||
| 57 | Mar 28, 2026 16:06 | 4,359 | 40,418,494 | 11,956,000 | 1,992,000 | 2,535,424 | ||
| 58 | Mar 28, 2026 16:07 | 4,360 | 32,719,197 | 12,957,000 | 996,000 | 2,281,472 | ||
| 59 | Mar 28, 2026 16:08 | 4,360 | 30,080,898 | 12,957,000 | 996,000 | 2,281,472 | ||
| 60 | Mar 28, 2026 16:07 | 4,360 | 27,236,522 | 12,957,000 | 996,000 | 2,494,464 | ||
| 61 | Mar 28, 2026 16:07 | 4,360 | 36,251,809 | 12,956,000 | 996,000 | 2,281,472 | ||
| 62 | Mar 28, 2026 16:07 | 4,361 | 27,722,740 | 11,961,000 | 1,993,000 | 2,281,472 | ||
| 63 | Mar 28, 2026 16:08 | 4,361 | 28,437,973 | 12,958,000 | 996,000 | 2,281,472 | ||
| 64 | Mar 28, 2026 16:06 | 4,361 | 31,388,005 | 12,958,000 | 996,000 | 2,498,560 | ||
| 65 | Mar 28, 2026 16:07 | 4,361 | 29,074,392 | 12,960,000 | 996,000 | 2,494,464 | ||
| 66 | Mar 28, 2026 16:07 | 4,362 | 36,068,510 | 12,962,000 | 997,000 | 2,490,368 | ||
| 67 | Mar 28, 2026 16:07 | 4,363 | 31,644,014 | 12,963,000 | 997,000 | 2,281,472 | ||
| 68 | Mar 28, 2026 16:08 | 4,364 | 31,389,087 | 12,967,000 | 997,000 | 2,494,464 | ||
| 69 | Mar 28, 2026 16:08 | 4,364 | 28,895,738 | 11,971,000 | 1,995,000 | 2,494,464 | ||
| 70 | Mar 28, 2026 16:06 | 4,365 | 38,273,762 | 12,972,000 | 997,000 | 2,281,472 | ||
| 71 | Mar 28, 2026 16:06 | 4,367 | 32,416,779 | 12,976,000 | 998,000 | 2,281,472 | ||
| 72 | Mar 28, 2026 16:09 | 4,370 | 31,656,018 | 12,985,000 | 998,000 | 2,498,560 | ||
| 73 | Mar 28, 2026 16:08 | 4,372 | 34,300,553 | 12,992,000 | 999,000 | 2,281,472 | ||
| 74 | Mar 28, 2026 16:05 | 4,372 | 31,154,076 | 12,990,000 | 999,000 | 2,498,560 | ||
| 75 | Mar 28, 2026 16:08 | 4,373 | 30,209,678 | 12,995,000 | 999,000 | 2,494,464 | ||
| 76 | Mar 28, 2026 16:06 | 4,377 | 33,710,513 | 13,005,000 | 1,000,000 | 2,277,376 | ||
| 77 | Mar 28, 2026 16:08 | 4,378 | 31,168,863 | 13,011,000 | 1,000,000 | 2,281,472 | ||
| 78 | Mar 28, 2026 16:07 | 4,378 | 35,652,852 | 12,010,000 | 2,001,000 | 2,490,368 | ||
| 79 | Mar 28, 2026 16:07 | 4,378 | 27,759,026 | 13,009,000 | 1,000,000 | 2,502,656 | ||
| 80 | Mar 28, 2026 16:08 | 4,387 | 30,507,274 | 12,034,000 | 2,005,000 | 2,494,464 | ||
| 81 | Mar 28, 2026 16:08 | 4,395 | 30,556,215 | 12,056,000 | 2,009,000 | 2,281,472 | ||
| 82 | Mar 28, 2026 16:05 | 4,399 | 34,359,727 | 12,067,000 | 2,011,000 | 2,494,464 | ||
| 83 | Mar 28, 2026 16:08 | 4,401 | 31,989,935 | 12,072,000 | 2,012,000 | 2,498,560 | ||
| 84 | Mar 28, 2026 16:08 | 4,403 | 31,090,687 | 12,077,000 | 2,012,000 | 2,281,472 | ||
| 85 | Mar 28, 2026 16:05 | 4,512 | 27,511,510 | 13,406,000 | 1,031,000 | 2,498,560 | ||
| 86 | Mar 28, 2026 16:05 | 4,556 | 28,540,308 | 13,537,000 | 1,041,000 | 2,502,656 | ||
| 87 | Mar 28, 2026 16:05 | 4,587 | 31,519,307 | 13,630,000 | 1,048,000 | 2,494,464 | ||
| 88 | Mar 28, 2026 16:07 | 4,709 | 40,729,873 | 13,059,000 | 2,009,000 | 2,269,184 | ||
| 89 | Mar 28, 2026 16:07 | 4,802 | 47,499,329 | 14,342,000 | 1,024,000 | 2,494,464 | ||
| 90 | Mar 28, 2026 16:07 | 4,827 | 51,140,024 | 13,516,000 | 1,930,000 | 2,273,280 |