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 | Jan 1, 2026 23:59 | 4,388 | 36,625,500 | 12,037,000 | 2,006,000 | 2,453,504 | ||
| 2 | Jan 2, 2026 00:00 | 4,396 | 32,442,211 | 12,059,000 | 2,009,000 | 2,445,312 | ||
| 3 | Jan 1, 2026 23:38 | 4,398 | 41,651,072 | 12,062,000 | 2,010,000 | 2,445,312 | ||
| 4 | Jan 1, 2026 23:38 | 4,399 | 33,030,545 | 12,066,000 | 2,011,000 | 2,437,120 | ||
| 5 | Jan 1, 2026 23:38 | 4,400 | 28,770,554 | 12,068,000 | 2,011,000 | 2,273,280 | ||
| 6 | Jan 2, 2026 00:00 | 4,401 | 29,590,036 | 13,078,000 | 1,006,000 | 2,445,312 | ||
| 7 | Jan 2, 2026 00:00 | 4,403 | 39,355,239 | 12,076,000 | 2,012,000 | 2,535,424 | ||
| 8 | Jan 1, 2026 23:38 | 4,404 | 27,997,021 | 12,079,000 | 2,013,000 | 2,453,504 | ||
| 9 | Jan 2, 2026 00:00 | 4,404 | 33,884,985 | 12,081,000 | 2,013,000 | 2,273,280 | ||
| 10 | Jan 2, 2026 00:00 | 4,406 | 34,337,193 | 12,084,000 | 2,014,000 | 2,449,408 | ||
| 11 | Jan 2, 2026 00:00 | 4,406 | 31,215,215 | 12,085,000 | 2,014,000 | 2,441,216 | ||
| 12 | Jan 1, 2026 23:38 | 4,408 | 42,964,899 | 12,090,000 | 2,015,000 | 2,449,408 | ||
| 13 | Jan 1, 2026 23:37 | 4,408 | 32,151,565 | 12,092,000 | 2,015,000 | 2,449,408 | ||
| 14 | Jan 1, 2026 23:38 | 4,409 | 29,392,508 | 13,101,000 | 1,007,000 | 2,445,312 | ||
| 15 | Jan 1, 2026 23:38 | 4,409 | 33,580,725 | 12,093,000 | 2,015,000 | 2,535,424 | ||
| 16 | Jan 1, 2026 23:38 | 4,409 | 29,424,956 | 12,093,000 | 2,015,000 | 2,445,312 | ||
| 17 | Jan 1, 2026 23:37 | 4,411 | 28,528,282 | 12,100,000 | 2,016,000 | 2,273,280 | ||
| 18 | Jan 2, 2026 00:00 | 4,411 | 28,913,260 | 12,099,000 | 2,016,000 | 2,449,408 | ||
| 19 | Jan 2, 2026 00:00 | 4,411 | 35,256,566 | 12,100,000 | 2,016,000 | 2,441,216 | ||
| 20 | Jan 1, 2026 23:38 | 4,413 | 28,076,393 | 12,106,000 | 2,017,000 | 2,535,424 | ||
| 21 | Jan 2, 2026 00:00 | 4,413 | 30,692,491 | 13,114,000 | 1,008,000 | 2,453,504 | ||
| 22 | Jan 1, 2026 23:59 | 4,414 | 31,095,718 | 12,108,000 | 2,018,000 | 2,273,280 | ||
| 23 | Jan 1, 2026 23:59 | 4,414 | 36,607,839 | 12,107,000 | 2,017,000 | 2,453,504 | ||
| 24 | Jan 2, 2026 00:00 | 4,414 | 39,535,277 | 12,107,000 | 2,017,000 | 2,449,408 | ||
| 25 | Jan 1, 2026 23:38 | 4,417 | 32,105,853 | 12,116,000 | 2,019,000 | 2,535,424 | ||
| 26 | Jan 1, 2026 23:38 | 4,418 | 38,502,619 | 12,119,000 | 2,019,000 | 2,273,280 | ||
| 27 | Jan 1, 2026 23:38 | 4,419 | 28,178,696 | 12,121,000 | 2,020,000 | 2,445,312 | ||
| 28 | Jan 1, 2026 23:38 | 4,423 | 27,789,921 | 12,133,000 | 2,022,000 | 2,273,280 | ||
| 29 | Jan 2, 2026 00:00 | 4,424 | 30,425,916 | 12,136,000 | 2,022,000 | 2,535,424 | ||
| 30 | Jan 2, 2026 00:00 | 4,426 | 32,442,269 | 12,141,000 | 2,023,000 | 2,445,312 | ||
| 31 | Jan 2, 2026 00:00 | 4,426 | 28,739,989 | 12,141,000 | 2,023,000 | 2,449,408 | ||
| 32 | Jan 1, 2026 23:38 | 4,426 | 34,911,154 | 12,141,000 | 2,023,000 | 2,449,408 | ||
| 33 | Jan 2, 2026 00:00 | 4,427 | 38,360,063 | 12,142,000 | 2,023,000 | 2,273,280 | ||
| 34 | Jan 1, 2026 23:38 | 4,427 | 28,923,450 | 12,142,000 | 2,023,000 | 2,445,312 | ||
| 35 | Jan 1, 2026 23:59 | 4,427 | 31,093,476 | 12,143,000 | 2,023,000 | 2,535,424 | ||
| 36 | Jan 2, 2026 00:00 | 4,428 | 28,756,187 | 12,144,000 | 2,024,000 | 2,531,328 | ||
| 37 | Jan 1, 2026 23:38 | 4,428 | 29,396,749 | 12,146,000 | 2,024,000 | 2,445,312 | ||
| 38 | Jan 1, 2026 23:37 | 4,428 | 29,058,815 | 12,144,000 | 2,024,000 | 2,445,312 | ||
| 39 | Jan 2, 2026 00:00 | 4,428 | 49,435,652 | 12,146,000 | 2,024,000 | 2,273,280 | ||
| 40 | Jan 1, 2026 23:59 | 4,428 | 33,124,711 | 12,144,000 | 2,024,000 | 2,449,408 | ||
| 41 | Jan 1, 2026 23:38 | 4,429 | 29,095,076 | 12,148,000 | 2,024,000 | 2,453,504 | ||
| 42 | Jan 1, 2026 23:38 | 4,430 | 40,487,233 | 12,150,000 | 2,025,000 | 2,449,408 | ||
| 43 | Jan 1, 2026 23:38 | 4,434 | 34,584,477 | 12,163,000 | 2,027,000 | 2,445,312 | ||
| 44 | Jan 1, 2026 23:38 | 4,435 | 33,807,688 | 12,165,000 | 2,027,000 | 2,535,424 | ||
| 45 | Jan 1, 2026 23:38 | 4,436 | 31,681,451 | 12,167,000 | 2,027,000 | 2,273,280 | ||
| 46 | Jan 1, 2026 23:38 | 4,436 | 31,653,251 | 12,168,000 | 2,028,000 | 2,445,312 | ||
| 47 | Jan 2, 2026 00:00 | 4,438 | 32,161,686 | 12,174,000 | 2,029,000 | 2,535,424 | ||
| 48 | Jan 1, 2026 23:38 | 4,438 | 33,894,827 | 12,173,000 | 2,028,000 | 2,535,424 | ||
| 49 | Jan 2, 2026 00:00 | 4,440 | 35,175,911 | 13,194,000 | 1,014,000 | 2,535,424 | ||
| 50 | Jan 1, 2026 23:38 | 4,443 | 27,130,256 | 12,187,000 | 2,031,000 | 2,265,088 | ||
| 51 | Jan 1, 2026 23:38 | 4,453 | 44,286,817 | 12,215,000 | 2,035,000 | 2,445,312 | ||
| 52 | Jan 1, 2026 23:38 | 4,453 | 35,013,889 | 12,213,000 | 2,035,000 | 2,449,408 | ||
| 53 | Jan 1, 2026 23:38 | 4,454 | 35,633,142 | 12,217,000 | 2,036,000 | 2,449,408 | ||
| 54 | Jan 1, 2026 23:38 | 4,460 | 38,160,014 | 12,234,000 | 2,039,000 | 2,273,280 | ||
| 55 | Jan 2, 2026 00:00 | 4,468 | 30,719,053 | 13,276,000 | 1,021,000 | 2,437,120 | ||
| 56 | Jan 1, 2026 23:59 | 4,469 | 42,617,808 | 13,280,000 | 1,021,000 | 2,445,312 | ||
| 57 | Jan 2, 2026 00:00 | 4,475 | 40,016,670 | 14,319,000 | 0 | 2,535,424 | ||
| 58 | Jan 1, 2026 23:38 | 4,481 | 28,184,615 | 13,314,000 | 1,024,000 | 2,445,312 | ||
| 59 | Jan 1, 2026 23:38 | 4,601 | 37,214,074 | 13,673,000 | 1,051,000 | 2,449,408 | ||
| 60 | Jan 2, 2026 00:00 | 4,984 | 30,052,087 | 13,957,000 | 1,993,000 | 2,535,424 |