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
Source code access is restricted. Log in to request access.
Challenge History
No challenges yet.
Run Statistics
| # | Date | Score | Wall Time | CPU User | CPU System | Memory | Error | |
|---|---|---|---|---|---|---|---|---|
| 1 | Mar 28, 2026 19:13 | 4,330 | 29,350,056 | 12,868,000 | 989,000 | 2,281,472 | ||
| 2 | Mar 28, 2026 19:11 | 4,333 | 31,586,160 | 12,874,000 | 990,000 | 2,494,464 | ||
| 3 | Mar 28, 2026 19:10 | 4,334 | 36,342,316 | 12,880,000 | 990,000 | 2,494,464 | ||
| 4 | Mar 28, 2026 19:13 | 4,335 | 36,792,436 | 13,872,000 | 0 | 2,490,368 | ||
| 5 | Mar 28, 2026 19:10 | 4,335 | 30,923,681 | 12,881,000 | 990,000 | 2,498,560 | ||
| 6 | Mar 28, 2026 19:12 | 4,336 | 27,937,325 | 12,885,000 | 991,000 | 2,281,472 | ||
| 7 | Mar 28, 2026 19:10 | 4,337 | 32,089,723 | 12,886,000 | 991,000 | 2,281,472 | ||
| 8 | Mar 28, 2026 19:13 | 4,337 | 28,676,098 | 12,886,000 | 991,000 | 2,494,464 | ||
| 9 | Mar 28, 2026 19:13 | 4,337 | 33,463,481 | 12,888,000 | 991,000 | 2,502,656 | ||
| 10 | Mar 28, 2026 19:10 | 4,337 | 40,460,869 | 12,886,000 | 991,000 | 2,502,656 | ||
| 11 | Mar 28, 2026 19:13 | 4,338 | 32,549,725 | 13,880,000 | 0 | 2,498,560 | ||
| 12 | Mar 28, 2026 19:10 | 4,338 | 35,647,299 | 12,892,000 | 991,000 | 2,486,272 | ||
| 13 | Mar 28, 2026 19:11 | 4,338 | 40,596,477 | 13,880,000 | 0 | 2,498,560 | ||
| 14 | Mar 28, 2026 19:11 | 4,338 | 43,872,224 | 13,881,000 | 0 | 2,490,368 | ||
| 15 | Mar 28, 2026 19:10 | 4,339 | 27,570,041 | 12,893,000 | 991,000 | 2,490,368 | ||
| 16 | Mar 28, 2026 19:12 | 4,339 | 36,705,025 | 12,893,000 | 991,000 | 2,494,464 | ||
| 17 | Mar 28, 2026 19:11 | 4,339 | 40,144,155 | 12,893,000 | 991,000 | 2,498,560 | ||
| 18 | Mar 28, 2026 19:11 | 4,339 | 34,752,008 | 12,893,000 | 991,000 | 2,494,464 | ||
| 19 | Mar 28, 2026 19:10 | 4,339 | 28,501,482 | 12,893,000 | 991,000 | 2,490,368 | ||
| 20 | Mar 28, 2026 19:12 | 4,340 | 31,732,200 | 12,896,000 | 992,000 | 2,502,656 | ||
| 21 | Mar 28, 2026 19:12 | 4,341 | 28,251,810 | 12,899,000 | 992,000 | 2,494,464 | ||
| 22 | Mar 28, 2026 19:12 | 4,341 | 29,586,697 | 12,899,000 | 992,000 | 2,281,472 | ||
| 23 | Mar 28, 2026 19:13 | 4,341 | 29,510,476 | 12,823,000 | 1,068,000 | 2,494,464 | ||
| 24 | Mar 28, 2026 19:13 | 4,341 | 38,417,865 | 13,891,000 | 0 | 2,494,464 | ||
| 25 | Mar 28, 2026 19:13 | 4,342 | 25,447,877 | 13,893,000 | 0 | 2,494,464 | ||
| 26 | Mar 28, 2026 19:12 | 4,344 | 36,016,661 | 12,909,000 | 993,000 | 2,502,656 | ||
| 27 | Mar 28, 2026 19:12 | 4,345 | 31,774,123 | 13,905,000 | 0 | 2,281,472 | ||
| 28 | Mar 28, 2026 19:13 | 4,346 | 32,227,029 | 12,913,000 | 993,000 | 2,281,472 | ||
| 29 | Mar 28, 2026 19:12 | 4,346 | 41,339,260 | 12,915,000 | 993,000 | 2,281,472 | ||
| 30 | Mar 28, 2026 19:11 | 4,347 | 30,675,353 | 13,911,000 | 0 | 2,494,464 | ||
| 31 | Mar 28, 2026 19:12 | 4,347 | 40,622,866 | 12,918,000 | 993,000 | 2,281,472 | ||
| 32 | Mar 28, 2026 19:11 | 4,348 | 27,375,703 | 12,921,000 | 993,000 | 2,281,472 | ||
| 33 | Mar 28, 2026 19:11 | 4,348 | 31,741,411 | 12,919,000 | 993,000 | 2,281,472 | ||
| 34 | Mar 28, 2026 19:10 | 4,349 | 27,706,454 | 12,922,000 | 994,000 | 2,490,368 | ||
| 35 | Mar 28, 2026 19:13 | 4,349 | 27,269,270 | 13,918,000 | 0 | 2,494,464 | ||
| 36 | Mar 28, 2026 19:12 | 4,349 | 37,376,271 | 13,916,000 | 0 | 2,482,176 | ||
| 37 | Mar 28, 2026 19:13 | 4,350 | 29,629,352 | 11,932,000 | 1,988,000 | 2,498,560 | ||
| 38 | Mar 28, 2026 19:10 | 4,350 | 29,027,290 | 12,925,000 | 994,000 | 2,535,424 | ||
| 39 | Mar 28, 2026 19:12 | 4,350 | 36,139,748 | 12,925,000 | 994,000 | 2,490,368 | ||
| 40 | Mar 28, 2026 19:12 | 4,351 | 48,388,699 | 12,928,000 | 994,000 | 2,494,464 | ||
| 41 | Mar 28, 2026 19:13 | 4,352 | 33,327,894 | 12,932,000 | 994,000 | 2,281,472 | ||
| 42 | Mar 28, 2026 19:12 | 4,353 | 30,517,191 | 12,934,000 | 994,000 | 2,494,464 | ||
| 43 | Mar 28, 2026 19:13 | 4,353 | 27,921,646 | 12,936,000 | 995,000 | 2,494,464 | ||
| 44 | Mar 28, 2026 19:12 | 4,353 | 28,499,922 | 13,931,000 | 0 | 2,494,464 | ||
| 45 | Mar 28, 2026 19:12 | 4,353 | 30,652,675 | 12,934,000 | 994,000 | 2,281,472 | ||
| 46 | Mar 28, 2026 19:11 | 4,353 | 41,894,839 | 11,939,000 | 1,989,000 | 2,494,464 | ||
| 47 | Mar 28, 2026 19:12 | 4,354 | 31,281,169 | 12,939,000 | 995,000 | 2,494,464 | ||
| 48 | Mar 28, 2026 19:11 | 4,356 | 28,484,674 | 12,944,000 | 995,000 | 2,498,560 | ||
| 49 | Mar 28, 2026 19:13 | 4,356 | 27,408,375 | 12,944,000 | 995,000 | 2,281,472 | ||
| 50 | Mar 28, 2026 19:11 | 4,357 | 41,373,882 | 13,941,000 | 0 | 2,490,368 | ||
| 51 | Mar 28, 2026 19:10 | 4,357 | 35,146,249 | 12,946,000 | 995,000 | 2,506,752 | ||
| 52 | Mar 28, 2026 19:11 | 4,357 | 30,580,652 | 12,947,000 | 995,000 | 2,494,464 | ||
| 53 | Mar 28, 2026 19:13 | 4,358 | 34,520,126 | 12,950,000 | 996,000 | 2,502,656 | ||
| 54 | Mar 28, 2026 19:10 | 4,358 | 25,385,318 | 11,955,000 | 1,992,000 | 2,498,560 | ||
| 55 | Mar 28, 2026 19:10 | 4,358 | 29,272,099 | 11,954,000 | 1,992,000 | 2,498,560 | ||
| 56 | Mar 28, 2026 19:12 | 4,359 | 37,036,018 | 12,954,000 | 996,000 | 2,494,464 | ||
| 57 | Mar 28, 2026 19:13 | 4,359 | 31,235,696 | 12,952,000 | 996,000 | 2,281,472 | ||
| 58 | Mar 28, 2026 19:10 | 4,359 | 27,957,423 | 11,956,000 | 1,992,000 | 2,498,560 | ||
| 59 | Mar 28, 2026 19:13 | 4,359 | 32,022,909 | 12,954,000 | 996,000 | 2,281,472 | ||
| 60 | Mar 28, 2026 19:11 | 4,360 | 31,758,018 | 12,955,000 | 996,000 | 2,281,472 | ||
| 61 | Mar 28, 2026 19:11 | 4,361 | 35,238,961 | 11,963,000 | 1,993,000 | 2,494,464 | ||
| 62 | Mar 28, 2026 19:10 | 4,363 | 29,214,165 | 12,966,000 | 997,000 | 2,281,472 | ||
| 63 | Mar 28, 2026 19:13 | 4,363 | 26,905,741 | 12,964,000 | 997,000 | 2,494,464 | ||
| 64 | Mar 28, 2026 19:10 | 4,364 | 37,312,992 | 12,969,000 | 997,000 | 2,490,368 | ||
| 65 | Mar 28, 2026 19:11 | 4,364 | 29,361,897 | 12,968,000 | 997,000 | 2,498,560 | ||
| 66 | Mar 28, 2026 19:13 | 4,365 | 34,821,052 | 12,971,000 | 997,000 | 2,490,368 | ||
| 67 | Mar 28, 2026 19:11 | 4,368 | 36,451,312 | 12,979,000 | 998,000 | 2,490,368 | ||
| 68 | Mar 28, 2026 19:10 | 4,368 | 36,988,684 | 12,980,000 | 998,000 | 2,281,472 | ||
| 69 | Mar 28, 2026 19:13 | 4,369 | 37,160,989 | 12,982,000 | 998,000 | 2,281,472 | ||
| 70 | Mar 28, 2026 19:12 | 4,370 | 32,354,911 | 11,987,000 | 1,997,000 | 2,281,472 | ||
| 71 | Mar 28, 2026 19:11 | 4,371 | 30,970,989 | 12,988,000 | 999,000 | 2,281,472 | ||
| 72 | Mar 28, 2026 19:13 | 4,371 | 32,795,299 | 11,988,000 | 1,998,000 | 2,535,424 | ||
| 73 | Mar 28, 2026 19:11 | 4,372 | 41,706,298 | 12,992,000 | 999,000 | 2,498,560 | ||
| 74 | Mar 28, 2026 19:11 | 4,372 | 27,877,529 | 11,991,000 | 1,998,000 | 2,281,472 | ||
| 75 | Mar 28, 2026 19:11 | 4,373 | 26,098,638 | 12,995,000 | 999,000 | 2,498,560 | ||
| 76 | Mar 28, 2026 19:10 | 4,374 | 31,469,649 | 12,998,000 | 999,000 | 2,281,472 | ||
| 77 | Mar 28, 2026 19:12 | 4,375 | 30,137,479 | 13,000,000 | 1,000,000 | 2,281,472 | ||
| 78 | Mar 28, 2026 19:12 | 4,375 | 33,087,782 | 13,001,000 | 1,000,000 | 2,281,472 | ||
| 79 | Mar 28, 2026 19:11 | 4,376 | 28,507,699 | 12,002,000 | 2,000,000 | 2,535,424 | ||
| 80 | Mar 28, 2026 19:12 | 4,377 | 29,681,191 | 13,007,000 | 1,000,000 | 2,498,560 | ||
| 81 | Mar 28, 2026 19:10 | 4,379 | 29,868,957 | 13,013,000 | 1,001,000 | 2,281,472 | ||
| 82 | Mar 28, 2026 19:13 | 4,379 | 29,576,251 | 13,013,000 | 1,001,000 | 2,281,472 | ||
| 83 | Mar 28, 2026 19:13 | 4,383 | 33,403,340 | 12,023,000 | 2,003,000 | 2,498,560 | ||
| 84 | Mar 28, 2026 19:11 | 4,385 | 31,998,511 | 13,029,000 | 1,002,000 | 2,281,472 | ||
| 85 | Mar 28, 2026 19:12 | 4,385 | 29,027,855 | 13,030,000 | 1,002,000 | 2,281,472 | ||
| 86 | Mar 28, 2026 19:13 | 4,387 | 28,382,691 | 12,034,000 | 2,005,000 | 2,490,368 | ||
| 87 | Mar 28, 2026 19:12 | 4,387 | 29,848,902 | 12,034,000 | 2,005,000 | 2,498,560 | ||
| 88 | Mar 28, 2026 19:11 | 4,394 | 33,504,994 | 13,056,000 | 1,004,000 | 2,486,272 | ||
| 89 | Mar 28, 2026 19:11 | 4,397 | 34,699,765 | 12,060,000 | 2,010,000 | 2,490,368 | ||
| 90 | Mar 28, 2026 19:12 | 4,431 | 30,328,554 | 13,168,000 | 1,012,000 | 2,281,472 |