Parse integers 
Compute the sum of integers read from STDIN as fast as possible.
Input: 50 000 000 lines, each containing one integer in the range [0; 2147483647].
629871117
2024562523
1372689083
1021777120
2111176472
Output: The uint64 sum of all numbers, printed as a decimal string.
Note: Integer overflow is expected – use a 64-bit accumulator.
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 | Jun 30, 2021 21:47 | 0 | 0 | 0 | 0 | 0 | Error: expected "53691359386384506 ", got "53691359386125690 " | |
| 2 | Jun 30, 2021 21:47 | 0 | 0 | 0 | 0 | 0 | Error: expected "53685578804617128 ", got "53685497873013160 " | |
| 3 | Jun 30, 2021 21:48 | 13,450 | 391,611,468 | 109,642,000 | 1,993,000 | 2,523,136 | ||
| 4 | Jun 30, 2021 21:48 | 13,451 | 386,453,963 | 110,651,000 | 996,000 | 2,260,992 | ||
| 5 | Jun 30, 2021 21:48 | 13,451 | 390,693,596 | 109,653,000 | 1,993,000 | 2,260,992 | ||
| 6 | Jun 30, 2021 21:48 | 13,454 | 393,822,149 | 110,668,000 | 997,000 | 2,383,872 | ||
| 7 | Jun 30, 2021 21:48 | 13,456 | 388,265,521 | 109,688,000 | 1,994,000 | 2,265,088 | ||
| 8 | Jun 30, 2021 21:48 | 13,460 | 388,545,323 | 110,722,000 | 997,000 | 2,260,992 | ||
| 9 | Jun 30, 2021 21:48 | 13,464 | 393,322,014 | 109,758,000 | 1,995,000 | 2,260,992 | ||
| 10 | Jun 30, 2021 21:48 | 13,467 | 392,394,836 | 110,776,000 | 997,000 | 2,265,088 | ||
| 11 | Jun 30, 2021 21:48 | 13,468 | 393,508,255 | 109,791,000 | 1,996,000 | 2,260,992 | ||
| 12 | Jun 30, 2021 21:46 | 13,593 | 395,844,931 | 111,822,000 | 998,000 | 2,260,992 | ||
| 13 | Jun 30, 2021 21:46 | 13,600 | 386,749,982 | 111,882,000 | 998,000 | 2,260,992 | ||
| 14 | Jun 30, 2021 21:46 | 13,603 | 393,781,424 | 111,904,000 | 999,000 | 2,379,776 | ||
| 15 | Jun 30, 2021 21:46 | 13,612 | 394,238,145 | 110,980,000 | 1,999,000 | 2,260,992 | ||
| 16 | Jun 30, 2021 21:46 | 13,612 | 393,117,581 | 110,981,000 | 1,999,000 | 2,523,136 | ||
| 17 | Jun 30, 2021 21:46 | 13,615 | 389,654,909 | 111,001,000 | 2,000,000 | 2,392,064 | ||
| 18 | Jun 30, 2021 21:46 | 13,616 | 387,563,055 | 111,014,000 | 2,000,000 | 2,519,040 | ||
| 19 | Jun 30, 2021 21:46 | 13,630 | 383,603,560 | 112,125,000 | 1,001,000 | 2,260,992 | ||
| 20 | Jun 30, 2021 21:46 | 13,633 | 389,073,763 | 112,156,000 | 1,001,000 | 2,396,160 | ||
| 21 | Jun 30, 2021 21:46 | 13,761 | 428,396,518 | 114,215,595 | 0 | 2,244,608 | ||
| 22 | Jun 30, 2021 21:46 | 13,771 | 434,791,159 | 114,301,516 | 0 | 2,260,992 | ||
| 23 | Jun 30, 2021 21:46 | 13,773 | 424,069,739 | 114,315,550 | 0 | 2,240,512 | ||
| 24 | Jun 30, 2021 21:48 | 13,774 | 433,176,110 | 114,327,403 | 0 | 2,269,184 | ||
| 25 | Jun 30, 2021 21:48 | 13,776 | 417,254,180 | 114,343,831 | 0 | 2,265,088 | ||
| 26 | Jun 30, 2021 21:48 | 13,777 | 427,766,095 | 114,349,405 | 0 | 2,244,608 | ||
| 27 | Jun 30, 2021 21:49 | 13,810 | 430,343,781 | 114,622,860 | 0 | 2,248,704 | ||
| 28 | Jun 30, 2021 21:48 | 13,811 | 387,841,238 | 114,631,000 | 0 | 2,260,992 | ||
| 29 | Jun 30, 2021 21:49 | 13,813 | 434,042,334 | 114,644,309 | 0 | 2,269,184 | ||
| 30 | Jun 30, 2021 21:48 | 13,814 | 391,616,410 | 114,654,000 | 0 | 2,260,992 | ||
| 31 | Jun 30, 2021 21:48 | 13,815 | 389,827,500 | 112,669,000 | 1,994,000 | 2,392,064 | ||
| 32 | Jun 30, 2021 21:48 | 13,815 | 395,184,085 | 112,674,000 | 1,994,000 | 2,396,160 | ||
| 33 | Jun 30, 2021 21:48 | 13,816 | 392,213,092 | 112,677,000 | 1,994,000 | 2,527,232 | ||
| 34 | Jun 30, 2021 21:49 | 13,817 | 447,493,621 | 114,682,141 | 0 | 2,244,608 | ||
| 35 | Jun 30, 2021 21:48 | 13,818 | 395,705,977 | 113,683,000 | 1,006,000 | 2,260,992 | ||
| 36 | Jun 30, 2021 21:48 | 13,824 | 393,640,278 | 113,742,000 | 997,000 | 2,260,992 | ||
| 37 | Jun 30, 2021 21:48 | 13,825 | 394,692,704 | 113,752,000 | 997,000 | 2,265,088 | ||
| 38 | Jun 30, 2021 21:48 | 13,829 | 389,673,786 | 113,783,000 | 998,000 | 2,523,136 | ||
| 39 | Jun 30, 2021 21:47 | 13,836 | 425,323,506 | 114,842,277 | 0 | 2,285,568 | ||
| 40 | Jun 30, 2021 21:47 | 13,842 | 424,048,175 | 114,888,246 | 0 | 2,248,704 | ||
| 41 | Jun 30, 2021 21:47 | 13,848 | 428,306,734 | 114,935,329 | 0 | 2,273,280 | ||
| 42 | Jun 30, 2021 21:46 | 13,871 | 417,082,139 | 115,132,063 | 0 | 2,244,608 | ||
| 43 | Jun 30, 2021 21:46 | 13,872 | 429,004,704 | 115,141,609 | 0 | 2,273,280 | ||
| 44 | Jun 30, 2021 21:46 | 13,876 | 425,404,151 | 115,170,718 | 0 | 2,265,088 | ||
| 45 | Jun 30, 2021 21:46 | 13,958 | 391,554,171 | 113,856,000 | 1,997,000 | 2,260,992 | ||
| 46 | Jun 30, 2021 21:48 | 13,963 | 393,600,187 | 113,895,000 | 1,998,000 | 2,523,136 | ||
| 47 | Jun 30, 2021 21:48 | 13,964 | 399,067,316 | 113,900,000 | 1,998,000 | 2,523,136 | ||
| 48 | Jun 30, 2021 21:48 | 13,964 | 389,709,917 | 114,906,000 | 999,000 | 2,392,064 | ||
| 49 | Jun 30, 2021 21:46 | 13,965 | 395,204,762 | 113,912,000 | 1,998,000 | 2,265,088 | ||
| 50 | Jun 30, 2021 21:46 | 13,965 | 391,294,815 | 114,909,000 | 999,000 | 2,379,776 | ||
| 51 | Jun 30, 2021 21:46 | 13,969 | 390,149,056 | 113,946,000 | 1,999,000 | 2,260,992 | ||
| 52 | Jun 30, 2021 21:46 | 13,969 | 394,901,706 | 113,945,000 | 1,999,000 | 2,260,992 | ||
| 53 | Jun 30, 2021 21:46 | 13,970 | 397,862,110 | 114,956,000 | 999,000 | 2,260,992 | ||
| 54 | Jun 30, 2021 21:46 | 13,970 | 398,288,238 | 113,950,000 | 1,999,000 | 2,260,992 | ||
| 55 | Jun 30, 2021 21:48 | 13,976 | 390,683,133 | 114,004,000 | 2,000,000 | 2,260,992 | ||
| 56 | Jun 30, 2021 21:48 | 13,981 | 396,129,813 | 115,044,000 | 1,000,000 | 2,260,992 | ||
| 57 | Jun 30, 2021 21:46 | 13,986 | 393,083,584 | 115,082,000 | 1,000,000 | 2,260,992 | ||
| 58 | Jun 30, 2021 21:46 | 13,987 | 391,069,932 | 114,093,000 | 2,001,000 | 2,523,136 | ||
| 59 | Jun 30, 2021 21:48 | 13,993 | 422,443,160 | 116,141,398 | 0 | 2,244,608 | ||
| 60 | Jun 30, 2021 21:48 | 13,994 | 390,482,581 | 115,146,000 | 1,001,000 | 2,396,160 | ||
| 61 | Jun 30, 2021 21:48 | 13,997 | 420,277,093 | 116,173,799 | 0 | 2,240,512 | ||
| 62 | Jun 30, 2021 21:48 | 13,998 | 388,855,061 | 115,182,000 | 1,001,000 | 2,383,872 | ||
| 63 | Jun 30, 2021 21:48 | 14,005 | 423,697,408 | 116,241,085 | 0 | 2,240,512 | ||
| 64 | Jun 30, 2021 21:48 | 14,080 | 424,799,022 | 116,866,858 | 0 | 2,273,280 | ||
| 65 | Jun 30, 2021 21:48 | 14,086 | 439,143,105 | 116,915,830 | 0 | 2,269,184 | ||
| 66 | Jun 30, 2021 21:48 | 14,094 | 440,546,744 | 116,980,365 | 0 | 2,277,376 | ||
| 67 | Jun 30, 2021 21:49 | 14,490 | 398,494,931 | 119,268,000 | 1,002,000 | 2,260,992 | ||
| 68 | Jun 30, 2021 21:49 | 14,534 | 396,636,915 | 119,634,000 | 996,000 | 2,260,992 | ||
| 69 | Jun 30, 2021 21:49 | 14,536 | 396,860,904 | 118,657,000 | 1,994,000 | 2,506,752 | ||
| 70 | Jun 30, 2021 21:49 | 14,536 | 397,075,111 | 118,658,000 | 1,994,000 | 2,396,160 | ||
| 71 | Jun 30, 2021 21:49 | 14,538 | 398,321,409 | 118,673,000 | 1,994,000 | 2,260,992 | ||
| 72 | Jun 30, 2021 21:49 | 14,540 | 397,196,606 | 119,686,000 | 997,000 | 2,260,992 | ||
| 73 | Jun 30, 2021 21:49 | 14,544 | 401,523,487 | 118,717,000 | 1,995,000 | 2,400,256 | ||
| 74 | Jun 30, 2021 21:49 | 14,545 | 399,351,003 | 118,730,000 | 1,995,000 | 2,260,992 | ||
| 75 | Jun 30, 2021 21:49 | 14,550 | 403,060,591 | 119,763,000 | 998,000 | 2,523,136 | ||
| 76 | Jun 30, 2021 21:48 | 42,171 | 2,076,806,303 | 116,673,000 | 233,347,000 | 252,121,088 | ||
| 77 | Jun 30, 2021 21:48 | 43,310 | 2,141,483,316 | 119,479,000 | 239,997,000 | 260,509,696 |