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 | Jan 2, 2026 04:19 | 4,384 | 28,839,936 | 12,026,000 | 2,004,000 | 2,281,472 | ||
| 2 | Jan 2, 2026 04:21 | 4,384 | 29,312,895 | 12,024,000 | 2,004,000 | 2,281,472 | ||
| 3 | Jan 2, 2026 04:19 | 4,387 | 34,295,804 | 12,033,000 | 2,005,000 | 2,441,216 | ||
| 4 | Jan 2, 2026 04:19 | 4,387 | 29,536,451 | 12,034,000 | 2,005,000 | 2,281,472 | ||
| 5 | Jan 2, 2026 04:20 | 4,388 | 33,765,845 | 12,037,000 | 2,006,000 | 2,445,312 | ||
| 6 | Jan 2, 2026 04:21 | 4,389 | 32,144,476 | 12,039,000 | 2,006,000 | 2,281,472 | ||
| 7 | Jan 2, 2026 04:21 | 4,391 | 42,078,576 | 12,045,000 | 2,007,000 | 2,449,408 | ||
| 8 | Jan 2, 2026 04:20 | 4,392 | 36,981,131 | 12,047,000 | 2,007,000 | 2,281,472 | ||
| 9 | Jan 2, 2026 04:20 | 4,392 | 32,349,933 | 12,046,000 | 2,007,000 | 2,449,408 | ||
| 10 | Jan 2, 2026 04:21 | 4,393 | 34,638,796 | 12,051,000 | 2,008,000 | 2,441,216 | ||
| 11 | Jan 2, 2026 04:19 | 4,394 | 28,679,591 | 12,052,000 | 2,008,000 | 2,449,408 | ||
| 12 | Jan 2, 2026 04:20 | 4,395 | 36,771,957 | 12,055,000 | 2,009,000 | 2,449,408 | ||
| 13 | Jan 2, 2026 04:20 | 4,395 | 36,017,597 | 12,055,000 | 2,009,000 | 2,281,472 | ||
| 14 | Jan 2, 2026 04:19 | 4,396 | 35,197,449 | 12,059,000 | 2,009,000 | 2,281,472 | ||
| 15 | Jan 2, 2026 04:21 | 4,396 | 32,047,390 | 12,057,000 | 2,009,000 | 2,453,504 | ||
| 16 | Jan 2, 2026 04:21 | 4,396 | 33,224,269 | 12,058,000 | 2,009,000 | 2,445,312 | ||
| 17 | Jan 2, 2026 04:19 | 4,397 | 31,192,383 | 12,061,000 | 2,010,000 | 2,281,472 | ||
| 18 | Jan 2, 2026 04:21 | 4,397 | 37,886,051 | 12,060,000 | 2,010,000 | 2,281,472 | ||
| 19 | Jan 2, 2026 04:19 | 4,398 | 33,721,122 | 12,064,000 | 2,010,000 | 2,281,472 | ||
| 20 | Jan 2, 2026 04:21 | 4,398 | 34,574,744 | 12,062,000 | 2,010,000 | 2,281,472 | ||
| 21 | Jan 2, 2026 04:20 | 4,399 | 38,364,869 | 12,067,000 | 2,011,000 | 2,449,408 | ||
| 22 | Jan 2, 2026 04:20 | 4,399 | 31,853,515 | 12,067,000 | 2,011,000 | 2,457,600 | ||
| 23 | Jan 2, 2026 04:19 | 4,400 | 27,531,372 | 12,070,000 | 2,011,000 | 2,449,408 | ||
| 24 | Jan 2, 2026 04:19 | 4,400 | 34,977,978 | 12,068,000 | 2,011,000 | 2,449,408 | ||
| 25 | Jan 2, 2026 04:21 | 4,400 | 29,789,305 | 12,070,000 | 2,011,000 | 2,449,408 | ||
| 26 | Jan 2, 2026 04:21 | 4,400 | 31,354,201 | 12,070,000 | 2,011,000 | 2,445,312 | ||
| 27 | Jan 2, 2026 04:21 | 4,400 | 34,060,433 | 12,070,000 | 2,011,000 | 2,281,472 | ||
| 28 | Jan 2, 2026 04:20 | 4,401 | 33,091,269 | 12,071,000 | 2,011,000 | 2,281,472 | ||
| 29 | Jan 2, 2026 04:19 | 4,402 | 32,826,914 | 12,074,000 | 2,012,000 | 2,281,472 | ||
| 30 | Jan 2, 2026 04:21 | 4,403 | 33,605,993 | 12,076,000 | 2,012,000 | 2,281,472 | ||
| 31 | Jan 2, 2026 04:20 | 4,404 | 34,587,973 | 12,079,000 | 2,013,000 | 2,281,472 | ||
| 32 | Jan 2, 2026 04:19 | 4,405 | 29,426,951 | 12,083,000 | 2,013,000 | 2,281,472 | ||
| 33 | Jan 2, 2026 04:21 | 4,405 | 28,536,299 | 12,082,000 | 2,013,000 | 2,531,328 | ||
| 34 | Jan 2, 2026 04:19 | 4,406 | 34,740,840 | 12,086,000 | 2,014,000 | 2,281,472 | ||
| 35 | Jan 2, 2026 04:20 | 4,406 | 29,079,271 | 12,086,000 | 2,014,000 | 2,449,408 | ||
| 36 | Jan 2, 2026 04:21 | 4,406 | 31,849,497 | 12,084,000 | 2,014,000 | 2,281,472 | ||
| 37 | Jan 2, 2026 04:19 | 4,407 | 30,452,677 | 12,087,000 | 2,014,000 | 2,281,472 | ||
| 38 | Jan 2, 2026 04:19 | 4,408 | 35,683,882 | 12,091,000 | 2,015,000 | 2,445,312 | ||
| 39 | Jan 2, 2026 04:19 | 4,408 | 29,743,538 | 12,090,000 | 2,015,000 | 2,437,120 | ||
| 40 | Jan 2, 2026 04:21 | 4,408 | 35,055,133 | 12,091,000 | 2,015,000 | 2,433,024 | ||
| 41 | Jan 2, 2026 04:19 | 4,409 | 38,959,406 | 12,095,000 | 2,015,000 | 2,281,472 | ||
| 42 | Jan 2, 2026 04:21 | 4,409 | 29,570,161 | 12,093,000 | 2,015,000 | 2,445,312 | ||
| 43 | Jan 2, 2026 04:19 | 4,410 | 31,930,205 | 12,096,000 | 2,016,000 | 2,449,408 | ||
| 44 | Jan 2, 2026 04:19 | 4,411 | 33,715,635 | 13,108,000 | 1,008,000 | 2,445,312 | ||
| 45 | Jan 2, 2026 04:21 | 4,411 | 29,980,335 | 12,100,000 | 2,016,000 | 2,453,504 | ||
| 46 | Jan 2, 2026 04:19 | 4,412 | 35,015,285 | 12,102,000 | 2,017,000 | 2,277,376 | ||
| 47 | Jan 2, 2026 04:19 | 4,413 | 33,915,418 | 12,103,000 | 2,017,000 | 2,281,472 | ||
| 48 | Jan 2, 2026 04:19 | 4,413 | 27,114,946 | 12,103,000 | 2,017,000 | 2,441,216 | ||
| 49 | Jan 2, 2026 04:20 | 4,413 | 33,173,971 | 12,103,000 | 2,017,000 | 2,281,472 | ||
| 50 | Jan 2, 2026 04:20 | 4,413 | 38,522,877 | 12,105,000 | 2,017,000 | 2,449,408 | ||
| 51 | Jan 2, 2026 04:20 | 4,413 | 34,746,606 | 12,106,000 | 2,017,000 | 2,281,472 | ||
| 52 | Jan 2, 2026 04:21 | 4,413 | 30,138,904 | 12,103,000 | 2,017,000 | 2,281,472 | ||
| 53 | Jan 2, 2026 04:20 | 4,413 | 39,287,463 | 12,104,000 | 2,017,000 | 2,281,472 | ||
| 54 | Jan 2, 2026 04:19 | 4,415 | 35,905,879 | 12,110,000 | 2,018,000 | 2,281,472 | ||
| 55 | Jan 2, 2026 04:21 | 4,415 | 40,063,474 | 12,110,000 | 2,018,000 | 2,445,312 | ||
| 56 | Jan 2, 2026 04:21 | 4,416 | 28,293,486 | 12,112,000 | 2,018,000 | 2,445,312 | ||
| 57 | Jan 2, 2026 04:19 | 4,417 | 32,831,525 | 12,115,000 | 2,019,000 | 2,281,472 | ||
| 58 | Jan 2, 2026 04:20 | 4,417 | 29,132,341 | 12,116,000 | 2,019,000 | 2,449,408 | ||
| 59 | Jan 2, 2026 04:20 | 4,418 | 34,716,703 | 12,119,000 | 2,019,000 | 2,445,312 | ||
| 60 | Jan 2, 2026 04:21 | 4,418 | 38,238,390 | 12,119,000 | 2,019,000 | 2,449,408 | ||
| 61 | Jan 2, 2026 04:19 | 4,419 | 35,208,999 | 12,121,000 | 2,020,000 | 2,445,312 | ||
| 62 | Jan 2, 2026 04:20 | 4,419 | 28,423,987 | 12,120,000 | 2,020,000 | 2,281,472 | ||
| 63 | Jan 2, 2026 04:19 | 4,422 | 40,722,338 | 12,128,000 | 2,021,000 | 2,281,472 | ||
| 64 | Jan 2, 2026 04:20 | 4,422 | 34,755,137 | 12,130,000 | 2,021,000 | 2,281,472 | ||
| 65 | Jan 2, 2026 04:20 | 4,423 | 30,735,274 | 12,133,000 | 2,022,000 | 2,441,216 | ||
| 66 | Jan 2, 2026 04:20 | 4,423 | 35,989,379 | 12,131,000 | 2,021,000 | 2,449,408 | ||
| 67 | Jan 2, 2026 04:21 | 4,423 | 28,296,422 | 12,133,000 | 2,022,000 | 2,441,216 | ||
| 68 | Jan 2, 2026 04:20 | 4,425 | 27,558,248 | 12,138,000 | 2,023,000 | 2,281,472 | ||
| 69 | Jan 2, 2026 04:19 | 4,426 | 38,929,803 | 12,139,000 | 2,023,000 | 2,453,504 | ||
| 70 | Jan 2, 2026 04:20 | 4,426 | 31,388,711 | 12,139,000 | 2,023,000 | 2,277,376 | ||
| 71 | Jan 2, 2026 04:19 | 4,427 | 31,503,900 | 12,143,000 | 2,023,000 | 2,441,216 | ||
| 72 | Jan 2, 2026 04:20 | 4,427 | 34,076,070 | 12,143,000 | 2,023,000 | 2,281,472 | ||
| 73 | Jan 2, 2026 04:19 | 4,428 | 29,809,181 | 12,147,000 | 2,024,000 | 2,281,472 | ||
| 74 | Jan 2, 2026 04:20 | 4,428 | 28,691,063 | 12,145,000 | 2,024,000 | 2,281,472 | ||
| 75 | Jan 2, 2026 04:20 | 4,428 | 27,621,927 | 12,147,000 | 2,024,000 | 2,281,472 | ||
| 76 | Jan 2, 2026 04:21 | 4,428 | 28,391,487 | 12,147,000 | 2,024,000 | 2,281,472 | ||
| 77 | Jan 2, 2026 04:21 | 4,428 | 29,774,370 | 12,146,000 | 2,024,000 | 2,453,504 | ||
| 78 | Jan 2, 2026 04:20 | 4,428 | 30,281,906 | 12,145,000 | 2,024,000 | 2,281,472 | ||
| 79 | Jan 2, 2026 04:19 | 4,429 | 40,139,968 | 12,149,000 | 2,024,000 | 2,281,472 | ||
| 80 | Jan 2, 2026 04:20 | 4,429 | 32,846,918 | 13,160,000 | 1,012,000 | 2,281,472 | ||
| 81 | Jan 2, 2026 04:21 | 4,429 | 31,867,550 | 12,148,000 | 2,024,000 | 2,441,216 | ||
| 82 | Jan 2, 2026 04:19 | 4,430 | 30,483,122 | 12,151,000 | 2,025,000 | 2,453,504 | ||
| 83 | Jan 2, 2026 04:20 | 4,430 | 40,230,578 | 12,150,000 | 2,025,000 | 2,441,216 | ||
| 84 | Jan 2, 2026 04:19 | 4,431 | 33,106,762 | 12,155,000 | 2,025,000 | 2,449,408 | ||
| 85 | Jan 2, 2026 04:21 | 4,431 | 33,653,974 | 12,154,000 | 2,025,000 | 2,445,312 | ||
| 86 | Jan 2, 2026 04:20 | 4,433 | 37,976,537 | 12,158,000 | 2,026,000 | 2,281,472 | ||
| 87 | Jan 2, 2026 04:20 | 4,433 | 28,638,586 | 12,158,000 | 2,026,000 | 2,281,472 | ||
| 88 | Jan 2, 2026 04:21 | 4,435 | 29,066,617 | 12,165,000 | 2,027,000 | 2,281,472 | ||
| 89 | Jan 2, 2026 04:19 | 4,439 | 33,729,820 | 12,176,000 | 2,029,000 | 2,281,472 | ||
| 90 | Jan 2, 2026 04:19 | 4,439 | 41,245,670 | 12,175,000 | 2,029,000 | 2,449,408 | ||
| 91 | Jan 2, 2026 04:20 | 4,444 | 33,861,836 | 12,190,000 | 2,031,000 | 2,281,472 | ||
| 92 | Jan 2, 2026 04:19 | 4,448 | 30,851,660 | 12,199,000 | 2,033,000 | 2,281,472 | ||
| 93 | Jan 2, 2026 04:20 | 4,454 | 32,691,198 | 12,216,000 | 2,036,000 | 2,281,472 | ||
| 94 | Jan 2, 2026 04:19 | 4,467 | 29,861,467 | 13,273,000 | 1,021,000 | 2,281,472 | ||
| 95 | Jan 2, 2026 04:20 | 4,470 | 31,248,971 | 12,260,000 | 2,043,000 | 2,453,504 | ||
| 96 | Jan 2, 2026 04:19 | 4,472 | 37,387,257 | 12,266,000 | 2,044,000 | 2,281,472 | ||
| 97 | Jan 2, 2026 04:21 | 4,472 | 26,856,998 | 13,287,000 | 1,022,000 | 2,445,312 | ||
| 98 | Jan 2, 2026 04:21 | 4,473 | 35,245,222 | 14,315,000 | 0 | 2,281,472 | ||
| 99 | Jan 2, 2026 04:20 | 4,481 | 41,437,821 | 13,316,000 | 1,024,000 | 2,441,216 | ||
| 100 | Jan 2, 2026 04:20 | 4,481 | 26,566,765 | 13,316,000 | 1,024,000 | 2,449,408 | ||
| 101 | Jan 2, 2026 04:21 | 4,507 | 35,264,872 | 13,391,000 | 1,030,000 | 2,449,408 | ||
| 102 | Jan 2, 2026 04:19 | 4,539 | 38,067,307 | 13,489,000 | 1,037,000 | 2,273,280 | ||
| 103 | Jan 2, 2026 04:19 | 4,563 | 37,432,669 | 13,558,000 | 1,042,000 | 2,445,312 | ||
| 104 | Jan 2, 2026 04:20 | 4,677 | 32,789,992 | 13,970,000 | 997,000 | 2,437,120 | ||
| 105 | Jan 2, 2026 04:19 | 4,699 | 32,416,719 | 13,033,000 | 2,005,000 | 2,281,472 | ||
| 106 | Jan 2, 2026 04:19 | 4,709 | 36,544,609 | 14,064,000 | 1,004,000 | 2,281,472 | ||
| 107 | Jan 2, 2026 04:20 | 4,805 | 32,980,229 | 14,351,000 | 1,025,000 | 2,441,216 | ||
| 108 | Jan 2, 2026 04:20 | 4,815 | 36,290,006 | 13,355,000 | 2,054,000 | 2,449,408 | ||
| 109 | Jan 2, 2026 04:20 | 4,840 | 43,573,814 | 15,488,000 | 0 | 2,445,312 | ||
| 110 | Jan 2, 2026 04:19 | 4,882 | 39,708,151 | 15,621,000 | 0 | 2,281,472 | ||
| 111 | Jan 2, 2026 04:19 | 5,284 | 45,514,854 | 15,916,000 | 994,000 | 2,445,312 |