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 17:33 | 4,321 | 37,649,195 | 12,840,000 | 987,000 | 2,281,472 | ||
| 2 | Mar 28, 2026 17:34 | 4,328 | 31,371,465 | 12,860,000 | 989,000 | 2,490,368 | ||
| 3 | Mar 28, 2026 17:34 | 4,334 | 37,728,007 | 12,879,000 | 990,000 | 2,498,560 | ||
| 4 | Mar 28, 2026 17:35 | 4,336 | 41,961,981 | 12,885,000 | 991,000 | 2,502,656 | ||
| 5 | Mar 28, 2026 17:35 | 4,336 | 37,760,028 | 12,884,000 | 991,000 | 2,281,472 | ||
| 6 | Mar 28, 2026 17:35 | 4,336 | 33,111,560 | 12,884,000 | 991,000 | 2,494,464 | ||
| 7 | Mar 28, 2026 17:35 | 4,337 | 35,415,874 | 12,888,000 | 991,000 | 2,490,368 | ||
| 8 | Mar 28, 2026 17:34 | 4,337 | 31,556,714 | 12,888,000 | 991,000 | 2,498,560 | ||
| 9 | Mar 28, 2026 17:34 | 4,338 | 34,628,419 | 12,892,000 | 991,000 | 2,281,472 | ||
| 10 | Mar 28, 2026 17:32 | 4,338 | 39,076,760 | 12,891,000 | 991,000 | 2,498,560 | ||
| 11 | Mar 28, 2026 17:34 | 4,338 | 34,813,841 | 13,881,000 | 0 | 2,494,464 | ||
| 12 | Mar 28, 2026 17:34 | 4,338 | 40,361,830 | 12,889,000 | 991,000 | 2,498,560 | ||
| 13 | Mar 28, 2026 17:34 | 4,339 | 42,477,990 | 12,895,000 | 991,000 | 2,498,560 | ||
| 14 | Mar 28, 2026 17:33 | 4,339 | 39,039,023 | 12,893,000 | 991,000 | 2,494,464 | ||
| 15 | Mar 28, 2026 17:33 | 4,340 | 27,652,818 | 12,896,000 | 992,000 | 2,494,464 | ||
| 16 | Mar 28, 2026 17:33 | 4,341 | 34,480,796 | 13,892,000 | 0 | 2,502,656 | ||
| 17 | Mar 28, 2026 17:34 | 4,341 | 29,936,923 | 12,899,000 | 992,000 | 2,494,464 | ||
| 18 | Mar 28, 2026 17:34 | 4,341 | 33,346,751 | 12,899,000 | 992,000 | 2,494,464 | ||
| 19 | Mar 28, 2026 17:33 | 4,341 | 41,140,827 | 12,899,000 | 992,000 | 2,494,464 | ||
| 20 | Mar 28, 2026 17:33 | 4,341 | 32,245,402 | 12,898,000 | 992,000 | 2,498,560 | ||
| 21 | Mar 28, 2026 17:33 | 4,341 | 32,257,870 | 13,890,000 | 0 | 2,281,472 | ||
| 22 | Mar 28, 2026 17:32 | 4,341 | 36,256,392 | 12,898,000 | 992,000 | 2,498,560 | ||
| 23 | Mar 28, 2026 17:35 | 4,342 | 38,165,108 | 12,901,000 | 992,000 | 2,494,464 | ||
| 24 | Mar 28, 2026 17:32 | 4,342 | 33,226,829 | 12,902,000 | 992,000 | 2,281,472 | ||
| 25 | Mar 28, 2026 17:34 | 4,342 | 46,592,710 | 13,895,000 | 0 | 2,490,368 | ||
| 26 | Mar 28, 2026 17:32 | 4,342 | 29,444,567 | 12,903,000 | 992,000 | 2,281,472 | ||
| 27 | Mar 28, 2026 17:34 | 4,342 | 30,849,721 | 12,902,000 | 992,000 | 2,490,368 | ||
| 28 | Mar 28, 2026 17:35 | 4,343 | 34,482,374 | 12,905,000 | 992,000 | 2,539,520 | ||
| 29 | Mar 28, 2026 17:33 | 4,343 | 30,202,417 | 12,905,000 | 992,000 | 2,494,464 | ||
| 30 | Mar 28, 2026 17:32 | 4,344 | 40,374,731 | 11,916,000 | 1,986,000 | 2,502,656 | ||
| 31 | Mar 28, 2026 17:35 | 4,344 | 27,998,318 | 12,908,000 | 992,000 | 2,281,472 | ||
| 32 | Mar 28, 2026 17:33 | 4,345 | 42,997,140 | 12,912,000 | 993,000 | 2,498,560 | ||
| 33 | Mar 28, 2026 17:35 | 4,345 | 30,621,922 | 12,911,000 | 993,000 | 2,486,272 | ||
| 34 | Mar 28, 2026 17:32 | 4,345 | 35,956,105 | 12,912,000 | 993,000 | 2,281,472 | ||
| 35 | Mar 28, 2026 17:32 | 4,345 | 30,006,969 | 13,904,000 | 0 | 2,281,472 | ||
| 36 | Mar 28, 2026 17:35 | 4,345 | 31,379,556 | 12,912,000 | 993,000 | 2,281,472 | ||
| 37 | Mar 28, 2026 17:35 | 4,345 | 31,914,481 | 12,911,000 | 993,000 | 2,490,368 | ||
| 38 | Mar 28, 2026 17:33 | 4,346 | 37,903,860 | 12,915,000 | 993,000 | 2,490,368 | ||
| 39 | Mar 28, 2026 17:35 | 4,346 | 41,561,687 | 12,915,000 | 993,000 | 2,490,368 | ||
| 40 | Mar 28, 2026 17:35 | 4,347 | 31,344,613 | 12,917,000 | 993,000 | 2,494,464 | ||
| 41 | Mar 28, 2026 17:33 | 4,348 | 44,007,012 | 13,913,000 | 0 | 2,494,464 | ||
| 42 | Mar 28, 2026 17:34 | 4,348 | 30,654,303 | 13,912,000 | 0 | 2,494,464 | ||
| 43 | Mar 28, 2026 17:32 | 4,349 | 41,635,058 | 12,922,000 | 994,000 | 2,281,472 | ||
| 44 | Mar 28, 2026 17:34 | 4,349 | 27,888,175 | 13,916,000 | 0 | 2,281,472 | ||
| 45 | Mar 28, 2026 17:33 | 4,349 | 37,340,869 | 13,917,000 | 0 | 2,281,472 | ||
| 46 | Mar 28, 2026 17:35 | 4,351 | 39,432,813 | 12,930,000 | 994,000 | 2,281,472 | ||
| 47 | Mar 28, 2026 17:33 | 4,351 | 32,716,383 | 12,930,000 | 994,000 | 2,486,272 | ||
| 48 | Mar 28, 2026 17:33 | 4,352 | 29,960,762 | 12,932,000 | 994,000 | 2,502,656 | ||
| 49 | Mar 28, 2026 17:35 | 4,352 | 30,161,339 | 11,937,000 | 1,989,000 | 2,281,472 | ||
| 50 | Mar 28, 2026 17:33 | 4,353 | 39,535,473 | 12,934,000 | 994,000 | 2,486,272 | ||
| 51 | Mar 28, 2026 17:34 | 4,353 | 29,279,155 | 13,929,000 | 0 | 2,502,656 | ||
| 52 | Mar 28, 2026 17:33 | 4,353 | 29,557,401 | 12,935,000 | 995,000 | 2,277,376 | ||
| 53 | Mar 28, 2026 17:32 | 4,353 | 28,557,473 | 12,936,000 | 995,000 | 2,494,464 | ||
| 54 | Mar 28, 2026 17:35 | 4,354 | 31,068,430 | 13,932,000 | 0 | 2,281,472 | ||
| 55 | Mar 28, 2026 17:32 | 4,354 | 37,520,185 | 12,938,000 | 995,000 | 2,494,464 | ||
| 56 | Mar 28, 2026 17:34 | 4,358 | 40,574,500 | 12,951,000 | 996,000 | 2,281,472 | ||
| 57 | Mar 28, 2026 17:32 | 4,359 | 30,719,050 | 11,956,000 | 1,992,000 | 2,490,368 | ||
| 58 | Mar 28, 2026 17:34 | 4,359 | 29,813,907 | 11,956,000 | 1,992,000 | 2,490,368 | ||
| 59 | Mar 28, 2026 17:33 | 4,360 | 29,811,229 | 12,956,000 | 996,000 | 2,482,176 | ||
| 60 | Mar 28, 2026 17:34 | 4,360 | 31,078,318 | 11,959,000 | 1,993,000 | 2,494,464 | ||
| 61 | Mar 28, 2026 17:32 | 4,360 | 34,059,093 | 12,957,000 | 996,000 | 2,482,176 | ||
| 62 | Mar 28, 2026 17:34 | 4,361 | 37,944,395 | 12,960,000 | 996,000 | 2,490,368 | ||
| 63 | Mar 28, 2026 17:34 | 4,363 | 32,127,954 | 12,965,000 | 997,000 | 2,502,656 | ||
| 64 | Mar 28, 2026 17:35 | 4,363 | 28,143,148 | 12,964,000 | 997,000 | 2,498,560 | ||
| 65 | Mar 28, 2026 17:34 | 4,363 | 30,083,290 | 12,964,000 | 997,000 | 2,281,472 | ||
| 66 | Mar 28, 2026 17:34 | 4,363 | 26,826,559 | 12,963,000 | 997,000 | 2,498,560 | ||
| 67 | Mar 28, 2026 17:32 | 4,363 | 30,160,346 | 12,965,000 | 997,000 | 2,502,656 | ||
| 68 | Mar 28, 2026 17:32 | 4,363 | 32,324,056 | 12,963,000 | 997,000 | 2,494,464 | ||
| 69 | Mar 28, 2026 17:33 | 4,363 | 31,198,316 | 12,966,000 | 997,000 | 2,281,472 | ||
| 70 | Mar 28, 2026 17:33 | 4,364 | 31,444,810 | 12,967,000 | 997,000 | 2,273,280 | ||
| 71 | Mar 28, 2026 17:33 | 4,364 | 37,876,596 | 11,971,000 | 1,995,000 | 2,494,464 | ||
| 72 | Mar 28, 2026 17:35 | 4,365 | 26,175,970 | 12,971,000 | 997,000 | 2,281,472 | ||
| 73 | Mar 28, 2026 17:32 | 4,366 | 26,249,091 | 12,973,000 | 997,000 | 2,498,560 | ||
| 74 | Mar 28, 2026 17:35 | 4,367 | 28,032,678 | 11,979,000 | 1,996,000 | 2,494,464 | ||
| 75 | Mar 28, 2026 17:32 | 4,367 | 28,104,872 | 11,977,000 | 1,996,000 | 2,494,464 | ||
| 76 | Mar 28, 2026 17:32 | 4,367 | 38,239,691 | 11,977,000 | 1,996,000 | 2,281,472 | ||
| 77 | Mar 28, 2026 17:34 | 4,369 | 29,519,174 | 12,984,000 | 998,000 | 2,277,376 | ||
| 78 | Mar 28, 2026 17:34 | 4,370 | 39,555,175 | 11,986,000 | 1,997,000 | 2,506,752 | ||
| 79 | Mar 28, 2026 17:32 | 4,371 | 29,559,189 | 12,987,000 | 999,000 | 2,494,464 | ||
| 80 | Mar 28, 2026 17:33 | 4,371 | 31,743,467 | 12,987,000 | 999,000 | 2,490,368 | ||
| 81 | Mar 28, 2026 17:32 | 4,371 | 28,276,326 | 11,989,000 | 1,998,000 | 2,506,752 | ||
| 82 | Mar 28, 2026 17:35 | 4,372 | 31,793,738 | 12,992,000 | 999,000 | 2,498,560 | ||
| 83 | Mar 28, 2026 17:32 | 4,373 | 33,622,020 | 12,993,000 | 999,000 | 2,494,464 | ||
| 84 | Mar 28, 2026 17:35 | 4,378 | 33,919,461 | 12,008,000 | 2,001,000 | 2,281,472 | ||
| 85 | Mar 28, 2026 17:34 | 4,378 | 30,144,209 | 13,008,000 | 1,000,000 | 2,281,472 | ||
| 86 | Mar 28, 2026 17:32 | 4,381 | 36,728,541 | 13,019,000 | 1,001,000 | 2,490,368 | ||
| 87 | Mar 28, 2026 17:32 | 4,382 | 36,141,726 | 12,018,000 | 2,003,000 | 2,494,464 | ||
| 88 | Mar 28, 2026 17:32 | 4,383 | 33,884,697 | 12,023,000 | 2,003,000 | 2,535,424 | ||
| 89 | Mar 28, 2026 17:32 | 4,384 | 29,538,615 | 12,025,000 | 2,004,000 | 2,494,464 | ||
| 90 | Mar 28, 2026 17:35 | 4,389 | 43,370,835 | 13,041,000 | 1,003,000 | 2,498,560 |