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 | Dec 30, 2022 18:09 | 5,119 | 69,178,187 | 41,476,000 | 1,011,000 | 2,523,136 | ||
| 2 | Dec 30, 2022 18:06 | 5,125 | 69,636,058 | 41,523,000 | 1,012,000 | 2,453,504 | ||
| 3 | Dec 30, 2022 18:06 | 5,126 | 69,836,065 | 40,521,000 | 2,026,000 | 2,453,504 | ||
| 4 | Dec 30, 2022 18:06 | 5,126 | 65,667,155 | 41,533,000 | 1,013,000 | 2,457,600 | ||
| 5 | Dec 30, 2022 18:09 | 5,130 | 68,348,646 | 42,581,000 | 0 | 2,514,944 | ||
| 6 | Dec 30, 2022 18:09 | 5,133 | 79,177,458 | 40,577,000 | 2,028,000 | 2,519,040 | ||
| 7 | Dec 30, 2022 18:06 | 5,135 | 73,461,287 | 40,595,000 | 2,029,000 | 2,461,696 | ||
| 8 | Dec 30, 2022 18:06 | 5,138 | 70,462,132 | 42,643,000 | 0 | 2,457,600 | ||
| 9 | Dec 30, 2022 18:09 | 5,143 | 73,641,811 | 40,657,000 | 2,032,000 | 2,441,216 | ||
| 10 | Dec 30, 2022 18:09 | 5,157 | 71,504,656 | 39,816,000 | 2,986,000 | 2,523,136 | ||
| 11 | Dec 30, 2022 18:09 | 5,163 | 74,506,024 | 39,867,000 | 2,990,000 | 2,281,472 | ||
| 12 | Dec 30, 2022 18:06 | 5,163 | 68,268,493 | 40,864,000 | 1,993,000 | 2,449,408 | ||
| 13 | Dec 30, 2022 18:06 | 5,165 | 66,326,948 | 40,827,000 | 2,041,000 | 2,469,888 | ||
| 14 | Dec 30, 2022 18:09 | 5,168 | 66,769,708 | 39,904,000 | 2,992,000 | 2,523,136 | ||
| 15 | Dec 30, 2022 18:09 | 5,168 | 64,055,036 | 40,897,000 | 1,995,000 | 2,457,600 | ||
| 16 | Dec 30, 2022 18:09 | 5,171 | 67,430,819 | 40,921,000 | 1,996,000 | 2,523,136 | ||
| 17 | Dec 30, 2022 18:09 | 5,173 | 105,091,422 | 42,934,649 | 0 | 2,207,744 | ||
| 18 | Dec 30, 2022 18:06 | 5,173 | 69,983,680 | 39,941,000 | 2,995,000 | 2,453,504 | ||
| 19 | Dec 30, 2022 18:06 | 5,174 | 70,711,717 | 40,947,000 | 1,997,000 | 2,523,136 | ||
| 20 | Dec 30, 2022 18:06 | 5,176 | 65,775,286 | 40,961,000 | 1,998,000 | 2,461,696 | ||
| 21 | Dec 30, 2022 18:06 | 5,180 | 120,127,049 | 42,990,315 | 0 | 2,207,744 | ||
| 22 | Dec 30, 2022 18:06 | 5,181 | 110,648,429 | 43,004,622 | 0 | 2,211,840 | ||
| 23 | Dec 30, 2022 18:06 | 5,185 | 69,097,397 | 41,032,000 | 2,001,000 | 2,523,136 | ||
| 24 | Dec 30, 2022 18:06 | 5,189 | 65,019,048 | 40,066,000 | 3,005,000 | 2,461,696 | ||
| 25 | Dec 30, 2022 18:09 | 5,192 | 123,257,803 | 43,091,653 | 0 | 2,203,648 | ||
| 26 | Dec 30, 2022 18:06 | 5,199 | 71,095,437 | 40,144,000 | 3,010,000 | 2,523,136 | ||
| 27 | Dec 30, 2022 18:06 | 5,200 | 66,949,939 | 40,152,000 | 3,011,000 | 2,523,136 | ||
| 28 | Dec 30, 2022 18:06 | 5,201 | 70,215,121 | 40,155,000 | 3,011,000 | 2,523,136 | ||
| 29 | Dec 30, 2022 18:06 | 5,205 | 70,167,425 | 40,185,000 | 3,013,000 | 2,523,136 | ||
| 30 | Dec 30, 2022 18:06 | 5,207 | 109,421,156 | 43,221,991 | 0 | 2,211,840 | ||
| 31 | Dec 30, 2022 18:06 | 5,209 | 71,306,538 | 41,223,000 | 2,010,000 | 2,523,136 | ||
| 32 | Dec 30, 2022 18:06 | 5,209 | 65,087,188 | 41,225,000 | 2,010,000 | 2,523,136 | ||
| 33 | Dec 30, 2022 18:06 | 5,210 | 71,941,201 | 40,226,000 | 3,017,000 | 2,453,504 | ||
| 34 | Dec 30, 2022 18:09 | 5,213 | 68,151,650 | 41,254,000 | 2,012,000 | 2,523,136 | ||
| 35 | Dec 30, 2022 18:09 | 5,213 | 67,654,059 | 41,255,000 | 2,012,000 | 2,437,120 | ||
| 36 | Dec 30, 2022 18:09 | 5,216 | 103,970,436 | 43,289,558 | 0 | 2,203,648 | ||
| 37 | Dec 30, 2022 18:06 | 5,224 | 71,732,334 | 43,360,000 | 0 | 2,453,504 | ||
| 38 | Dec 30, 2022 18:06 | 5,229 | 67,213,933 | 43,401,000 | 0 | 2,445,312 | ||
| 39 | Dec 30, 2022 18:09 | 5,230 | 66,316,185 | 41,390,000 | 2,019,000 | 2,523,136 | ||
| 40 | Dec 30, 2022 18:06 | 5,257 | 69,614,006 | 42,615,000 | 1,014,000 | 2,457,600 | ||
| 41 | Dec 30, 2022 18:06 | 5,268 | 116,950,066 | 43,728,262 | 0 | 2,207,744 | ||
| 42 | Dec 30, 2022 18:06 | 5,280 | 139,739,045 | 43,823,967 | 0 | 2,195,456 | ||
| 43 | Dec 30, 2022 18:06 | 5,281 | 69,823,761 | 40,843,000 | 2,988,000 | 2,523,136 | ||
| 44 | Dec 30, 2022 18:06 | 5,282 | 103,532,816 | 43,839,445 | 0 | 2,195,456 | ||
| 45 | Dec 30, 2022 18:06 | 5,292 | 67,184,880 | 40,930,000 | 2,994,000 | 2,449,408 | ||
| 46 | Dec 30, 2022 18:05 | 5,342 | 67,653,187 | 41,315,000 | 3,023,000 | 2,523,136 | ||
| 47 | Dec 30, 2022 18:05 | 5,343 | 74,132,049 | 42,335,000 | 2,015,000 | 2,523,136 | ||
| 48 | Dec 30, 2022 18:05 | 5,344 | 72,404,353 | 42,340,000 | 2,016,000 | 2,461,696 | ||
| 49 | Dec 30, 2022 18:05 | 5,353 | 68,313,217 | 42,409,000 | 2,019,000 | 2,523,136 | ||
| 50 | Dec 30, 2022 18:05 | 5,354 | 75,277,545 | 42,417,000 | 2,019,000 | 2,457,600 | ||
| 51 | Dec 30, 2022 18:05 | 5,362 | 67,784,537 | 42,485,000 | 2,023,000 | 2,457,600 | ||
| 52 | Dec 30, 2022 18:07 | 5,367 | 66,377,252 | 42,520,000 | 2,024,000 | 2,461,696 | ||
| 53 | Dec 30, 2022 18:05 | 5,375 | 76,435,385 | 42,582,000 | 2,027,000 | 2,461,696 | ||
| 54 | Dec 30, 2022 18:07 | 5,382 | 71,949,538 | 42,642,000 | 2,030,000 | 2,457,600 | ||
| 55 | Dec 30, 2022 18:07 | 5,385 | 69,112,089 | 42,710,000 | 1,986,000 | 2,523,136 | ||
| 56 | Dec 30, 2022 18:05 | 5,398 | 71,871,490 | 43,810,000 | 995,000 | 2,523,136 | ||
| 57 | Dec 30, 2022 18:07 | 5,402 | 71,222,124 | 42,843,000 | 1,992,000 | 2,523,136 | ||
| 58 | Dec 30, 2022 18:07 | 5,405 | 70,110,637 | 42,869,000 | 1,993,000 | 2,523,136 | ||
| 59 | Dec 30, 2022 18:07 | 5,413 | 69,871,928 | 42,935,000 | 1,996,000 | 2,523,136 | ||
| 60 | Dec 30, 2022 18:05 | 5,421 | 68,524,679 | 41,997,000 | 2,999,000 | 2,523,136 | ||
| 61 | Dec 30, 2022 18:07 | 5,421 | 69,353,455 | 41,995,000 | 2,999,000 | 2,453,504 | ||
| 62 | Dec 30, 2022 18:07 | 5,423 | 73,829,207 | 43,014,000 | 2,000,000 | 2,523,136 | ||
| 63 | Dec 30, 2022 18:07 | 5,423 | 114,203,892 | 45,008,236 | 0 | 2,199,552 | ||
| 64 | Dec 30, 2022 18:07 | 5,429 | 66,568,604 | 42,057,000 | 3,004,000 | 2,523,136 | ||
| 65 | Dec 30, 2022 18:05 | 5,440 | 72,338,866 | 42,142,000 | 3,010,000 | 2,523,136 | ||
| 66 | Dec 30, 2022 18:07 | 5,449 | 103,869,733 | 45,224,762 | 0 | 2,195,456 | ||
| 67 | Dec 30, 2022 18:07 | 5,477 | 105,048,180 | 45,456,040 | 0 | 2,211,840 | ||
| 68 | Dec 30, 2022 18:05 | 5,489 | 65,978,470 | 44,547,000 | 1,012,000 | 2,441,216 | ||
| 69 | Dec 30, 2022 18:07 | 5,489 | 73,962,353 | 44,548,000 | 1,012,000 | 2,449,408 | ||
| 70 | Dec 30, 2022 18:05 | 5,519 | 119,511,743 | 45,807,110 | 0 | 2,207,744 | ||
| 71 | Dec 30, 2022 18:07 | 5,521 | 74,146,772 | 43,835,000 | 1,992,000 | 2,519,040 | ||
| 72 | Dec 30, 2022 18:07 | 5,524 | 71,016,329 | 44,856,000 | 996,000 | 2,297,856 | ||
| 73 | Dec 30, 2022 18:05 | 5,548 | 109,419,148 | 46,049,099 | 0 | 2,207,744 | ||
| 74 | Dec 30, 2022 18:05 | 5,566 | 68,276,331 | 43,188,000 | 3,013,000 | 2,449,408 | ||
| 75 | Dec 30, 2022 18:05 | 5,566 | 69,592,343 | 44,187,000 | 2,008,000 | 2,461,696 | ||
| 76 | Dec 30, 2022 18:05 | 5,567 | 68,785,679 | 43,193,000 | 3,013,000 | 2,453,504 | ||
| 77 | Dec 30, 2022 18:05 | 5,575 | 67,723,556 | 43,255,000 | 3,017,000 | 2,449,408 | ||
| 78 | Dec 30, 2022 18:05 | 5,581 | 104,763,637 | 46,318,491 | 0 | 2,211,840 | ||
| 79 | Dec 30, 2022 18:05 | 5,582 | 107,125,908 | 46,328,671 | 0 | 2,207,744 | ||
| 80 | Dec 30, 2022 18:05 | 5,582 | 69,181,206 | 43,313,000 | 3,021,000 | 2,457,600 | ||
| 81 | Dec 30, 2022 18:05 | 5,585 | 68,987,709 | 43,335,000 | 3,023,000 | 2,523,136 | ||
| 82 | Dec 30, 2022 18:05 | 5,592 | 109,032,411 | 46,413,473 | 0 | 2,203,648 | ||
| 83 | Dec 30, 2022 18:05 | 5,596 | 71,897,394 | 44,424,000 | 2,019,000 | 2,453,504 | ||
| 84 | Dec 30, 2022 18:05 | 5,610 | 72,371,424 | 44,539,000 | 2,024,000 | 2,457,600 | ||
| 85 | Dec 30, 2022 18:05 | 5,643 | 128,125,673 | 46,833,763 | 0 | 2,211,840 | ||
| 86 | Dec 30, 2022 18:05 | 5,643 | 73,335,950 | 44,848,000 | 1,993,000 | 2,445,312 | ||
| 87 | Dec 30, 2022 18:05 | 5,663 | 71,400,298 | 45,004,000 | 2,000,000 | 2,523,136 | ||
| 88 | Dec 30, 2022 18:05 | 5,683 | 75,592,057 | 45,163,000 | 2,007,000 | 2,523,136 | ||
| 89 | Dec 30, 2022 18:05 | 5,714 | 68,791,094 | 44,403,000 | 3,027,000 | 2,289,664 | ||
| 90 | Dec 30, 2022 18:05 | 5,729 | 70,592,278 | 45,530,000 | 2,023,000 | 2,486,272 |