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 17:41 | 4,333 | 27,944,611 | 12,874,000 | 990,000 | 2,281,472 | ||
| 2 | Mar 28, 2026 17:38 | 4,334 | 31,117,060 | 12,880,000 | 990,000 | 2,494,464 | ||
| 3 | Mar 28, 2026 17:41 | 4,334 | 40,659,702 | 12,879,000 | 990,000 | 2,490,368 | ||
| 4 | Mar 28, 2026 17:40 | 4,335 | 39,992,028 | 13,873,000 | 0 | 2,486,272 | ||
| 5 | Mar 28, 2026 17:40 | 4,336 | 29,852,655 | 13,875,000 | 0 | 2,486,272 | ||
| 6 | Mar 28, 2026 17:38 | 4,336 | 30,524,330 | 11,894,000 | 1,982,000 | 2,494,464 | ||
| 7 | Mar 28, 2026 17:40 | 4,337 | 29,400,468 | 12,886,000 | 991,000 | 2,281,472 | ||
| 8 | Mar 28, 2026 17:39 | 4,338 | 30,045,827 | 12,890,000 | 991,000 | 2,490,368 | ||
| 9 | Mar 28, 2026 17:41 | 4,338 | 27,998,091 | 12,891,000 | 991,000 | 2,498,560 | ||
| 10 | Mar 28, 2026 17:41 | 4,338 | 30,930,882 | 12,889,000 | 991,000 | 2,490,368 | ||
| 11 | Mar 28, 2026 17:38 | 4,339 | 28,957,341 | 13,885,000 | 0 | 2,494,464 | ||
| 12 | Mar 28, 2026 17:42 | 4,339 | 35,367,716 | 12,895,000 | 991,000 | 2,281,472 | ||
| 13 | Mar 28, 2026 17:42 | 4,339 | 32,828,784 | 12,895,000 | 991,000 | 2,281,472 | ||
| 14 | Mar 28, 2026 17:41 | 4,340 | 42,141,678 | 12,897,000 | 992,000 | 2,498,560 | ||
| 15 | Mar 28, 2026 17:38 | 4,340 | 25,789,345 | 13,887,000 | 0 | 2,281,472 | ||
| 16 | Mar 28, 2026 17:42 | 4,340 | 26,904,132 | 12,896,000 | 992,000 | 2,498,560 | ||
| 17 | Mar 28, 2026 17:40 | 4,340 | 36,301,785 | 12,896,000 | 992,000 | 2,498,560 | ||
| 18 | Mar 28, 2026 17:40 | 4,340 | 25,871,597 | 12,896,000 | 992,000 | 2,502,656 | ||
| 19 | Mar 28, 2026 17:41 | 4,341 | 38,021,185 | 12,899,000 | 992,000 | 2,281,472 | ||
| 20 | Mar 28, 2026 17:40 | 4,341 | 28,558,389 | 12,900,000 | 992,000 | 2,486,272 | ||
| 21 | Mar 28, 2026 17:40 | 4,341 | 31,514,317 | 12,899,000 | 992,000 | 2,498,560 | ||
| 22 | Mar 28, 2026 17:40 | 4,342 | 38,985,982 | 12,902,000 | 992,000 | 2,494,464 | ||
| 23 | Mar 28, 2026 17:39 | 4,342 | 29,100,286 | 12,902,000 | 992,000 | 2,281,472 | ||
| 24 | Mar 28, 2026 17:39 | 4,343 | 42,665,275 | 12,906,000 | 992,000 | 2,486,272 | ||
| 25 | Mar 28, 2026 17:39 | 4,343 | 29,898,957 | 12,907,000 | 992,000 | 2,498,560 | ||
| 26 | Mar 28, 2026 17:39 | 4,343 | 25,869,289 | 12,907,000 | 992,000 | 2,490,368 | ||
| 27 | Mar 28, 2026 17:40 | 4,343 | 32,418,438 | 12,905,000 | 992,000 | 2,498,560 | ||
| 28 | Mar 28, 2026 17:39 | 4,343 | 36,509,265 | 12,907,000 | 992,000 | 2,490,368 | ||
| 29 | Mar 28, 2026 17:41 | 4,345 | 32,753,114 | 12,910,000 | 993,000 | 2,281,472 | ||
| 30 | Mar 28, 2026 17:39 | 4,345 | 37,999,904 | 13,905,000 | 0 | 2,502,656 | ||
| 31 | Mar 28, 2026 17:41 | 4,345 | 27,652,956 | 12,912,000 | 993,000 | 2,281,472 | ||
| 32 | Mar 28, 2026 17:40 | 4,346 | 29,277,803 | 12,913,000 | 993,000 | 2,281,472 | ||
| 33 | Mar 28, 2026 17:40 | 4,346 | 26,043,999 | 12,915,000 | 993,000 | 2,494,464 | ||
| 34 | Mar 28, 2026 17:39 | 4,347 | 32,371,559 | 12,918,000 | 993,000 | 2,281,472 | ||
| 35 | Mar 28, 2026 17:39 | 4,347 | 31,003,796 | 12,916,000 | 993,000 | 2,281,472 | ||
| 36 | Mar 28, 2026 17:38 | 4,347 | 35,535,149 | 12,916,000 | 993,000 | 2,494,464 | ||
| 37 | Mar 28, 2026 17:38 | 4,348 | 26,920,901 | 12,921,000 | 993,000 | 2,490,368 | ||
| 38 | Mar 28, 2026 17:40 | 4,348 | 28,666,126 | 12,919,000 | 993,000 | 2,490,368 | ||
| 39 | Mar 28, 2026 17:42 | 4,348 | 27,483,677 | 11,927,000 | 1,987,000 | 2,539,520 | ||
| 40 | Mar 28, 2026 17:39 | 4,349 | 37,814,514 | 12,922,000 | 994,000 | 2,490,368 | ||
| 41 | Mar 28, 2026 17:41 | 4,350 | 36,066,426 | 12,927,000 | 994,000 | 2,494,464 | ||
| 42 | Mar 28, 2026 17:40 | 4,350 | 28,353,302 | 11,933,000 | 1,988,000 | 2,281,472 | ||
| 43 | Mar 28, 2026 17:39 | 4,351 | 35,883,034 | 12,930,000 | 994,000 | 2,281,472 | ||
| 44 | Mar 28, 2026 17:42 | 4,351 | 28,510,860 | 12,930,000 | 994,000 | 2,490,368 | ||
| 45 | Mar 28, 2026 17:41 | 4,353 | 32,767,346 | 13,930,000 | 0 | 2,281,472 | ||
| 46 | Mar 28, 2026 17:40 | 4,353 | 35,854,928 | 12,935,000 | 995,000 | 2,281,472 | ||
| 47 | Mar 28, 2026 17:42 | 4,353 | 28,987,828 | 11,941,000 | 1,990,000 | 2,281,472 | ||
| 48 | Mar 28, 2026 17:40 | 4,354 | 28,624,636 | 11,942,000 | 1,990,000 | 2,281,472 | ||
| 49 | Mar 28, 2026 17:41 | 4,354 | 34,678,563 | 12,939,000 | 995,000 | 2,281,472 | ||
| 50 | Mar 28, 2026 17:40 | 4,354 | 38,416,588 | 12,937,000 | 995,000 | 2,498,560 | ||
| 51 | Mar 28, 2026 17:39 | 4,354 | 30,011,643 | 11,943,000 | 1,990,000 | 2,494,464 | ||
| 52 | Mar 28, 2026 17:40 | 4,354 | 30,859,891 | 11,943,000 | 1,990,000 | 2,535,424 | ||
| 53 | Mar 28, 2026 17:40 | 4,355 | 28,249,331 | 12,940,000 | 995,000 | 2,281,472 | ||
| 54 | Mar 28, 2026 17:39 | 4,355 | 38,160,011 | 12,941,000 | 995,000 | 2,494,464 | ||
| 55 | Mar 28, 2026 17:39 | 4,355 | 36,633,203 | 12,940,000 | 995,000 | 2,277,376 | ||
| 56 | Mar 28, 2026 17:39 | 4,356 | 26,030,379 | 12,945,000 | 995,000 | 2,281,472 | ||
| 57 | Mar 28, 2026 17:38 | 4,356 | 28,142,247 | 12,945,000 | 995,000 | 2,494,464 | ||
| 58 | Mar 28, 2026 17:39 | 4,356 | 28,395,752 | 11,947,000 | 1,991,000 | 2,281,472 | ||
| 59 | Mar 28, 2026 17:38 | 4,357 | 39,116,454 | 12,946,000 | 995,000 | 2,281,472 | ||
| 60 | Mar 28, 2026 17:39 | 4,357 | 29,698,836 | 12,946,000 | 995,000 | 2,281,472 | ||
| 61 | Mar 28, 2026 17:39 | 4,357 | 28,043,860 | 12,946,000 | 995,000 | 2,494,464 | ||
| 62 | Mar 28, 2026 17:42 | 4,358 | 29,127,425 | 12,950,000 | 996,000 | 2,281,472 | ||
| 63 | Mar 28, 2026 17:39 | 4,358 | 29,699,223 | 11,952,000 | 1,992,000 | 2,498,560 | ||
| 64 | Mar 28, 2026 17:39 | 4,358 | 27,232,801 | 12,949,000 | 996,000 | 2,498,560 | ||
| 65 | Mar 28, 2026 17:40 | 4,358 | 29,135,718 | 12,948,000 | 996,000 | 2,281,472 | ||
| 66 | Mar 28, 2026 17:40 | 4,358 | 28,579,376 | 12,948,000 | 996,000 | 2,494,464 | ||
| 67 | Mar 28, 2026 17:39 | 4,358 | 34,603,651 | 12,948,000 | 996,000 | 2,494,464 | ||
| 68 | Mar 28, 2026 17:41 | 4,358 | 39,147,107 | 11,953,000 | 1,992,000 | 2,498,560 | ||
| 69 | Mar 28, 2026 17:42 | 4,361 | 37,785,336 | 12,960,000 | 996,000 | 2,494,464 | ||
| 70 | Mar 28, 2026 17:42 | 4,363 | 25,979,062 | 11,967,000 | 1,994,000 | 2,490,368 | ||
| 71 | Mar 28, 2026 17:42 | 4,365 | 36,688,700 | 11,973,000 | 1,995,000 | 2,281,472 | ||
| 72 | Mar 28, 2026 17:40 | 4,367 | 32,440,302 | 12,975,000 | 998,000 | 2,281,472 | ||
| 73 | Mar 28, 2026 17:41 | 4,367 | 28,880,319 | 12,975,000 | 998,000 | 2,494,464 | ||
| 74 | Mar 28, 2026 17:41 | 4,367 | 36,731,747 | 12,977,000 | 998,000 | 2,506,752 | ||
| 75 | Mar 28, 2026 17:41 | 4,368 | 26,157,945 | 12,979,000 | 998,000 | 2,281,472 | ||
| 76 | Mar 28, 2026 17:41 | 4,368 | 29,474,684 | 12,979,000 | 998,000 | 2,281,472 | ||
| 77 | Mar 28, 2026 17:41 | 4,369 | 36,436,339 | 12,982,000 | 998,000 | 2,281,472 | ||
| 78 | Mar 28, 2026 17:39 | 4,369 | 31,588,226 | 12,983,000 | 998,000 | 2,281,472 | ||
| 79 | Mar 28, 2026 17:42 | 4,369 | 28,879,729 | 12,983,000 | 998,000 | 2,494,464 | ||
| 80 | Mar 28, 2026 17:41 | 4,372 | 31,202,327 | 12,991,000 | 999,000 | 2,281,472 | ||
| 81 | Mar 28, 2026 17:40 | 4,372 | 27,893,579 | 12,992,000 | 999,000 | 2,281,472 | ||
| 82 | Mar 28, 2026 17:41 | 4,373 | 36,885,206 | 12,993,000 | 999,000 | 2,281,472 | ||
| 83 | Mar 28, 2026 17:38 | 4,373 | 31,152,675 | 12,993,000 | 999,000 | 2,281,472 | ||
| 84 | Mar 28, 2026 17:41 | 4,376 | 25,591,265 | 12,002,000 | 2,000,000 | 2,498,560 | ||
| 85 | Mar 28, 2026 17:40 | 4,376 | 26,724,699 | 13,003,000 | 1,000,000 | 2,494,464 | ||
| 86 | Mar 28, 2026 17:41 | 4,378 | 31,201,786 | 13,010,000 | 1,000,000 | 2,281,472 | ||
| 87 | Mar 28, 2026 17:39 | 4,378 | 32,665,169 | 13,011,000 | 1,000,000 | 2,494,464 | ||
| 88 | Mar 28, 2026 17:39 | 4,384 | 32,846,213 | 13,027,000 | 1,002,000 | 2,281,472 | ||
| 89 | Mar 28, 2026 17:42 | 4,384 | 32,988,551 | 12,026,000 | 2,004,000 | 2,281,472 | ||
| 90 | Mar 28, 2026 17:40 | 4,390 | 40,056,612 | 12,042,000 | 2,007,000 | 2,535,424 |