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 | Sep 14, 2022 16:47 | 6,390 | 74,136,926 | 51,038,000 | 2,001,000 | 2,273,280 | ||
| 2 | Sep 7, 2022 16:11 | 6,391 | 74,169,922 | 52,044,000 | 1,000,000 | 2,273,280 | ||
| 3 | Dec 28, 2022 16:38 | 6,392 | 82,163,943 | 53,057,000 | 0 | 2,273,280 | ||
| 4 | Sep 7, 2022 16:11 | 6,393 | 75,123,093 | 52,062,000 | 1,001,000 | 2,404,352 | ||
| 5 | Sep 7, 2022 16:11 | 6,393 | 74,040,685 | 52,061,000 | 1,001,000 | 2,404,352 | ||
| 6 | Dec 28, 2022 16:38 | 6,394 | 76,140,543 | 51,065,000 | 2,002,000 | 2,273,280 | ||
| 7 | Sep 14, 2022 16:47 | 6,394 | 77,407,484 | 51,070,000 | 2,002,000 | 2,404,352 | ||
| 8 | Sep 7, 2022 16:11 | 6,394 | 75,027,816 | 51,066,000 | 2,002,000 | 2,510,848 | ||
| 9 | Sep 14, 2022 17:31 | 6,394 | 76,128,221 | 51,067,000 | 2,002,000 | 2,400,256 | ||
| 10 | Dec 28, 2022 16:38 | 6,396 | 74,674,558 | 51,081,000 | 2,003,000 | 2,404,352 | ||
| 11 | Sep 14, 2022 17:31 | 6,396 | 72,522,194 | 52,088,000 | 1,001,000 | 2,392,064 | ||
| 12 | Sep 7, 2022 16:11 | 6,396 | 73,200,654 | 51,080,000 | 2,003,000 | 2,273,280 | ||
| 13 | Sep 7, 2022 16:11 | 6,396 | 75,888,130 | 52,087,000 | 1,001,000 | 2,396,160 | ||
| 14 | Dec 28, 2022 16:38 | 6,397 | 82,301,769 | 51,096,000 | 2,003,000 | 2,273,280 | ||
| 15 | Dec 28, 2022 16:38 | 6,397 | 75,822,307 | 52,098,000 | 1,001,000 | 2,400,256 | ||
| 16 | Dec 28, 2022 16:38 | 6,397 | 75,504,949 | 51,093,000 | 2,003,000 | 2,273,280 | ||
| 17 | Dec 28, 2022 16:38 | 6,397 | 81,726,546 | 52,094,000 | 1,001,000 | 2,273,280 | ||
| 18 | Dec 28, 2022 16:38 | 6,397 | 82,300,166 | 51,093,000 | 2,003,000 | 2,273,280 | ||
| 19 | Sep 14, 2022 17:31 | 6,397 | 74,166,969 | 51,091,000 | 2,003,000 | 2,273,280 | ||
| 20 | Sep 14, 2022 16:47 | 6,397 | 74,632,759 | 51,088,000 | 2,003,000 | 2,273,280 | ||
| 21 | Sep 7, 2022 16:11 | 6,397 | 75,692,046 | 52,095,000 | 1,001,000 | 2,273,280 | ||
| 22 | Sep 7, 2022 16:11 | 6,397 | 74,015,258 | 52,097,000 | 1,001,000 | 2,519,040 | ||
| 23 | Sep 14, 2022 17:31 | 6,398 | 81,563,838 | 51,098,000 | 2,003,000 | 2,273,280 | ||
| 24 | Sep 7, 2022 16:11 | 6,398 | 77,624,562 | 51,099,000 | 2,003,000 | 2,273,280 | ||
| 25 | Sep 7, 2022 16:11 | 6,398 | 74,104,698 | 51,100,000 | 2,003,000 | 2,400,256 | ||
| 26 | Sep 7, 2022 16:11 | 6,399 | 81,344,164 | 51,109,000 | 2,004,000 | 2,273,280 | ||
| 27 | Sep 14, 2022 17:10 | 6,399 | 81,005,356 | 51,107,000 | 2,004,000 | 2,273,280 | ||
| 28 | Dec 28, 2022 16:38 | 6,400 | 78,754,592 | 52,122,000 | 1,002,000 | 2,400,256 | ||
| 29 | Dec 28, 2022 16:38 | 6,400 | 80,995,154 | 52,118,000 | 1,002,000 | 2,273,280 | ||
| 30 | Sep 14, 2022 17:31 | 6,400 | 74,164,488 | 51,113,000 | 2,004,000 | 2,273,280 | ||
| 31 | Sep 14, 2022 17:10 | 6,400 | 75,519,758 | 51,118,000 | 2,004,000 | 2,273,280 | ||
| 32 | Sep 14, 2022 17:10 | 6,400 | 78,056,710 | 52,121,000 | 1,002,000 | 2,396,160 | ||
| 33 | Sep 14, 2022 16:47 | 6,400 | 78,332,203 | 52,114,000 | 1,002,000 | 2,273,280 | ||
| 34 | Sep 14, 2022 16:47 | 6,400 | 76,962,457 | 51,118,000 | 2,004,000 | 2,273,280 | ||
| 35 | Sep 14, 2022 16:47 | 6,400 | 74,736,407 | 51,112,000 | 2,004,000 | 2,396,160 | ||
| 36 | Sep 14, 2022 16:47 | 6,400 | 76,913,692 | 52,115,000 | 1,002,000 | 2,277,376 | ||
| 37 | Sep 7, 2022 16:11 | 6,400 | 75,322,897 | 51,116,000 | 2,004,000 | 2,273,280 | ||
| 38 | Sep 14, 2022 17:31 | 6,401 | 75,865,920 | 52,127,000 | 1,002,000 | 2,519,040 | ||
| 39 | Sep 14, 2022 17:31 | 6,401 | 75,838,893 | 51,126,000 | 2,004,000 | 2,408,448 | ||
| 40 | Sep 14, 2022 17:10 | 6,401 | 73,422,272 | 51,124,000 | 2,004,000 | 2,273,280 | ||
| 41 | Sep 14, 2022 17:10 | 6,401 | 80,978,661 | 52,126,000 | 1,002,000 | 2,273,280 | ||
| 42 | Sep 14, 2022 16:47 | 6,401 | 80,082,706 | 51,122,000 | 2,004,000 | 2,273,280 | ||
| 43 | Sep 7, 2022 16:11 | 6,401 | 80,412,245 | 52,124,000 | 1,002,000 | 2,392,064 | ||
| 44 | Dec 28, 2022 16:38 | 6,401 | 78,680,019 | 51,121,000 | 2,004,000 | 2,273,280 | ||
| 45 | Dec 28, 2022 16:38 | 6,401 | 81,765,680 | 52,129,000 | 1,002,000 | 2,400,256 | ||
| 46 | Sep 14, 2022 17:10 | 6,401 | 75,302,406 | 52,128,000 | 1,002,000 | 2,273,280 | ||
| 47 | Sep 7, 2022 16:11 | 6,401 | 78,718,337 | 51,121,000 | 2,004,000 | 2,273,280 | ||
| 48 | Dec 28, 2022 16:38 | 6,402 | 77,603,857 | 51,131,000 | 2,005,000 | 2,273,280 | ||
| 49 | Dec 28, 2022 16:38 | 6,402 | 76,586,320 | 51,135,000 | 2,005,000 | 2,404,352 | ||
| 50 | Sep 14, 2022 16:47 | 6,402 | 78,119,617 | 52,134,000 | 1,002,000 | 2,404,352 | ||
| 51 | Sep 7, 2022 16:11 | 6,402 | 79,466,814 | 52,132,000 | 1,002,000 | 2,408,448 | ||
| 52 | Sep 7, 2022 16:11 | 6,402 | 77,096,711 | 52,137,000 | 1,002,000 | 2,273,280 | ||
| 53 | Sep 7, 2022 16:11 | 6,403 | 81,513,050 | 52,139,000 | 1,002,000 | 2,273,280 | ||
| 54 | Dec 28, 2022 16:38 | 6,403 | 76,243,319 | 51,143,000 | 2,005,000 | 2,273,280 | ||
| 55 | Sep 7, 2022 16:11 | 6,403 | 75,328,311 | 52,143,000 | 1,002,000 | 2,273,280 | ||
| 56 | Dec 28, 2022 16:38 | 6,404 | 79,302,775 | 51,152,000 | 2,005,000 | 2,273,280 | ||
| 57 | Dec 28, 2022 16:38 | 6,404 | 80,041,336 | 51,148,000 | 2,005,000 | 2,273,280 | ||
| 58 | Sep 7, 2022 16:11 | 6,404 | 79,514,658 | 51,150,000 | 2,005,000 | 2,273,280 | ||
| 59 | Sep 7, 2022 16:11 | 6,404 | 75,707,955 | 51,145,000 | 2,005,000 | 2,404,352 | ||
| 60 | Sep 7, 2022 16:11 | 6,404 | 74,639,802 | 52,153,000 | 1,002,000 | 2,273,280 | ||
| 61 | Sep 7, 2022 16:11 | 6,404 | 73,262,118 | 52,154,000 | 1,002,000 | 2,273,280 | ||
| 62 | Sep 7, 2022 16:11 | 6,404 | 73,292,203 | 51,152,000 | 2,005,000 | 2,400,256 | ||
| 63 | Sep 7, 2022 16:11 | 6,404 | 76,557,402 | 51,146,000 | 2,005,000 | 2,273,280 | ||
| 64 | Sep 14, 2022 17:10 | 6,405 | 83,812,694 | 51,155,000 | 2,006,000 | 2,392,064 | ||
| 65 | Sep 7, 2022 16:11 | 6,405 | 79,941,307 | 51,153,000 | 2,006,000 | 2,273,280 | ||
| 66 | Sep 14, 2022 16:47 | 6,405 | 76,175,742 | 51,156,000 | 2,006,000 | 2,396,160 | ||
| 67 | Sep 7, 2022 16:11 | 6,405 | 75,813,933 | 52,157,000 | 1,003,000 | 2,396,160 | ||
| 68 | Sep 14, 2022 17:31 | 6,406 | 74,070,473 | 51,166,000 | 2,006,000 | 2,273,280 | ||
| 69 | Sep 7, 2022 16:11 | 6,406 | 85,156,928 | 52,166,000 | 1,003,000 | 2,404,352 | ||
| 70 | Dec 28, 2022 16:38 | 6,407 | 81,048,514 | 51,172,000 | 2,006,000 | 2,273,280 | ||
| 71 | Dec 28, 2022 16:38 | 6,407 | 77,696,994 | 51,174,000 | 2,006,000 | 2,400,256 | ||
| 72 | Sep 14, 2022 17:10 | 6,407 | 75,360,639 | 52,179,000 | 1,003,000 | 2,404,352 | ||
| 73 | Sep 7, 2022 16:11 | 6,407 | 77,885,444 | 51,171,000 | 2,006,000 | 2,273,280 | ||
| 74 | Sep 7, 2022 16:11 | 6,407 | 73,562,033 | 52,178,000 | 1,003,000 | 2,514,944 | ||
| 75 | Sep 14, 2022 17:10 | 6,407 | 75,195,835 | 52,175,000 | 1,003,000 | 2,273,280 | ||
| 76 | Sep 7, 2022 16:11 | 6,408 | 80,613,838 | 51,181,000 | 2,007,000 | 2,273,280 | ||
| 77 | Sep 14, 2022 17:31 | 6,409 | 81,077,306 | 51,190,000 | 2,007,000 | 2,396,160 | ||
| 78 | Sep 7, 2022 16:11 | 6,409 | 82,629,533 | 52,193,000 | 1,003,000 | 2,273,280 | ||
| 79 | Sep 7, 2022 16:11 | 6,410 | 73,611,955 | 51,195,000 | 2,007,000 | 2,510,848 | ||
| 80 | Sep 14, 2022 17:31 | 6,410 | 77,936,837 | 51,198,000 | 2,007,000 | 2,273,280 | ||
| 81 | Sep 14, 2022 17:10 | 6,411 | 75,361,317 | 52,211,000 | 1,004,000 | 2,273,280 | ||
| 82 | Sep 7, 2022 16:11 | 6,411 | 80,000,757 | 52,210,000 | 1,004,000 | 2,273,280 | ||
| 83 | Dec 28, 2022 16:38 | 6,411 | 73,383,839 | 52,211,000 | 1,004,000 | 2,273,280 | ||
| 84 | Sep 7, 2022 16:11 | 6,411 | 75,546,742 | 52,205,000 | 1,003,000 | 2,273,280 | ||
| 85 | Sep 7, 2022 16:11 | 6,411 | 75,788,700 | 51,201,000 | 2,007,000 | 2,273,280 | ||
| 86 | Dec 28, 2022 16:38 | 6,412 | 74,606,081 | 51,212,000 | 2,008,000 | 2,400,256 | ||
| 87 | Sep 7, 2022 16:11 | 6,412 | 75,481,475 | 51,213,000 | 2,008,000 | 2,396,160 | ||
| 88 | Sep 14, 2022 17:31 | 6,412 | 73,037,684 | 52,215,000 | 1,004,000 | 2,273,280 | ||
| 89 | Dec 28, 2022 16:38 | 6,413 | 83,539,713 | 51,253,000 | 1,971,000 | 2,273,280 | ||
| 90 | Dec 28, 2022 16:38 | 6,414 | 82,634,134 | 52,232,000 | 1,004,000 | 2,396,160 | ||
| 91 | Sep 14, 2022 17:31 | 6,414 | 77,131,027 | 51,230,000 | 2,009,000 | 2,514,944 | ||
| 92 | Sep 14, 2022 16:47 | 6,414 | 74,492,083 | 51,226,000 | 2,008,000 | 2,273,280 | ||
| 93 | Sep 14, 2022 17:10 | 6,416 | 77,447,549 | 51,240,000 | 2,009,000 | 2,273,280 | ||
| 94 | Dec 28, 2022 16:38 | 6,418 | 76,930,634 | 53,268,000 | 0 | 2,269,184 | ||
| 95 | Sep 14, 2022 17:10 | 6,424 | 78,105,589 | 52,312,000 | 1,006,000 | 2,514,944 | ||
| 96 | Sep 14, 2022 16:47 | 6,424 | 84,869,930 | 52,315,000 | 1,006,000 | 2,273,280 | ||
| 97 | Sep 14, 2022 16:47 | 6,586 | 131,811,993 | 54,667,440 | 0 | 2,256,896 | ||
| 98 | Dec 28, 2022 16:38 | 6,587 | 129,908,875 | 54,671,507 | 0 | 2,277,376 | ||
| 99 | Sep 7, 2022 16:11 | 6,589 | 112,237,718 | 54,691,093 | 0 | 2,281,472 | ||
| 100 | Sep 7, 2022 16:11 | 6,590 | 129,474,871 | 54,693,413 | 0 | 2,281,472 | ||
| 101 | Sep 14, 2022 17:10 | 6,590 | 116,516,677 | 54,695,073 | 0 | 2,281,472 | ||
| 102 | Sep 7, 2022 16:11 | 6,591 | 120,167,368 | 54,701,826 | 0 | 2,285,568 | ||
| 103 | Sep 7, 2022 16:11 | 6,592 | 120,421,774 | 54,713,958 | 0 | 2,269,184 | ||
| 104 | Sep 7, 2022 16:11 | 6,592 | 133,647,386 | 54,717,390 | 0 | 2,269,184 | ||
| 105 | Sep 7, 2022 16:11 | 6,592 | 118,659,094 | 54,714,659 | 0 | 2,281,472 | ||
| 106 | Dec 28, 2022 16:38 | 6,592 | 123,663,073 | 54,716,921 | 0 | 2,281,472 | ||
| 107 | Sep 7, 2022 16:11 | 6,594 | 124,602,036 | 54,727,216 | 0 | 2,285,568 | ||
| 108 | Dec 28, 2022 16:38 | 6,594 | 122,728,498 | 54,731,549 | 0 | 2,281,472 | ||
| 109 | Sep 14, 2022 17:10 | 6,595 | 117,914,877 | 54,740,208 | 0 | 2,277,376 | ||
| 110 | Dec 28, 2022 16:38 | 6,595 | 116,187,061 | 54,740,434 | 0 | 2,285,568 | ||
| 111 | Sep 7, 2022 16:11 | 6,596 | 136,879,948 | 54,747,890 | 0 | 2,285,568 | ||
| 112 | Sep 14, 2022 17:31 | 6,596 | 130,898,747 | 54,744,166 | 0 | 2,256,896 | ||
| 113 | Sep 14, 2022 17:31 | 6,596 | 121,333,976 | 54,742,834 | 0 | 2,277,376 | ||
| 114 | Sep 14, 2022 17:31 | 6,597 | 139,824,792 | 54,755,250 | 0 | 2,281,472 | ||
| 115 | Sep 14, 2022 16:47 | 6,598 | 130,898,797 | 54,760,874 | 0 | 2,285,568 | ||
| 116 | Sep 7, 2022 16:11 | 6,600 | 120,332,143 | 54,782,970 | 0 | 2,281,472 | ||
| 117 | Sep 14, 2022 16:47 | 6,600 | 117,267,821 | 54,780,552 | 0 | 2,256,896 | ||
| 118 | Dec 28, 2022 16:38 | 6,602 | 128,200,789 | 54,796,207 | 0 | 2,281,472 | ||
| 119 | Sep 14, 2022 17:10 | 6,606 | 138,088,702 | 54,829,299 | 0 | 2,285,568 | ||
| 120 | Dec 28, 2022 16:38 | 6,609 | 128,315,175 | 54,854,495 | 0 | 2,273,280 |