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.
lipapipaSource Code
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Challenge History
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Run Statistics
| # | Date | Score | Wall Time | CPU User | CPU System | Memory | Error | |
|---|---|---|---|---|---|---|---|---|
| 1 | Feb 26, 2026 09:22 | 5,796 | 70,680,904 | 47,105,000 | 1,002,000 | 2,371,584 | ||
| 2 | Feb 26, 2026 09:20 | 5,797 | 74,374,243 | 44,102,000 | 4,009,000 | 2,367,488 | ||
| 3 | Feb 26, 2026 09:23 | 5,797 | 72,809,029 | 46,112,000 | 2,004,000 | 2,367,488 | ||
| 4 | Feb 26, 2026 09:20 | 5,812 | 71,120,388 | 45,224,000 | 3,014,000 | 2,375,680 | ||
| 5 | Feb 26, 2026 09:21 | 5,812 | 69,446,784 | 43,216,000 | 5,025,000 | 2,318,336 | ||
| 6 | Feb 26, 2026 09:20 | 5,818 | 78,681,214 | 47,286,000 | 1,006,000 | 2,297,856 | ||
| 7 | Feb 26, 2026 09:20 | 5,846 | 68,303,820 | 47,514,000 | 1,010,000 | 2,375,680 | ||
| 8 | Feb 26, 2026 09:20 | 5,847 | 76,270,961 | 45,495,000 | 3,033,000 | 2,379,776 | ||
| 9 | Feb 26, 2026 09:20 | 5,848 | 74,701,805 | 46,520,000 | 2,022,000 | 2,355,200 | ||
| 10 | Feb 26, 2026 09:20 | 5,852 | 81,157,544 | 46,545,000 | 2,023,000 | 2,371,584 | ||
| 11 | Feb 26, 2026 09:22 | 5,853 | 74,827,793 | 48,583,000 | 0 | 2,371,584 | ||
| 12 | Feb 26, 2026 09:17 | 5,858 | 75,190,268 | 46,594,000 | 2,025,000 | 2,469,888 | ||
| 13 | Feb 26, 2026 09:17 | 5,860 | 74,120,672 | 47,626,000 | 1,013,000 | 2,519,040 | ||
| 14 | Feb 26, 2026 09:20 | 5,861 | 78,209,194 | 46,621,000 | 2,027,000 | 2,359,296 | ||
| 15 | Feb 26, 2026 09:20 | 5,862 | 77,616,667 | 46,626,000 | 2,027,000 | 2,314,240 | ||
| 16 | Feb 26, 2026 09:22 | 5,863 | 75,140,945 | 46,638,000 | 2,027,000 | 2,338,816 | ||
| 17 | Feb 26, 2026 09:18 | 5,868 | 73,995,141 | 45,658,000 | 3,043,000 | 2,359,296 | ||
| 18 | Feb 26, 2026 09:20 | 5,876 | 76,060,609 | 46,780,000 | 1,990,000 | 2,371,584 | ||
| 19 | Feb 26, 2026 09:20 | 5,877 | 77,938,651 | 45,791,000 | 2,986,000 | 2,367,488 | ||
| 20 | Feb 26, 2026 09:18 | 5,878 | 75,105,362 | 47,790,000 | 995,000 | 2,453,504 | ||
| 21 | Feb 26, 2026 09:18 | 5,880 | 75,633,053 | 47,808,000 | 996,000 | 2,363,392 | ||
| 22 | Feb 26, 2026 09:23 | 5,880 | 74,888,381 | 45,814,000 | 2,987,000 | 2,375,680 | ||
| 23 | Feb 26, 2026 09:19 | 5,881 | 76,030,421 | 47,819,000 | 996,000 | 2,371,584 | ||
| 24 | Feb 26, 2026 09:17 | 5,882 | 77,256,620 | 47,823,000 | 996,000 | 2,371,584 | ||
| 25 | Feb 26, 2026 09:23 | 5,882 | 81,181,063 | 46,832,000 | 1,992,000 | 2,367,488 | ||
| 26 | Feb 26, 2026 09:20 | 5,883 | 77,159,387 | 45,840,000 | 2,989,000 | 2,392,064 | ||
| 27 | Feb 26, 2026 09:20 | 5,883 | 77,899,915 | 45,840,000 | 2,989,000 | 2,318,336 | ||
| 28 | Feb 26, 2026 09:20 | 5,883 | 75,250,582 | 46,836,000 | 1,993,000 | 2,469,888 | ||
| 29 | Feb 26, 2026 09:21 | 5,883 | 78,253,451 | 47,831,000 | 996,000 | 2,367,488 | ||
| 30 | Feb 26, 2026 09:19 | 5,884 | 73,693,127 | 45,848,000 | 2,990,000 | 2,457,600 | ||
| 31 | Feb 26, 2026 09:20 | 5,887 | 75,466,858 | 46,865,000 | 1,994,000 | 2,363,392 | ||
| 32 | Feb 26, 2026 09:20 | 5,890 | 73,129,028 | 46,890,000 | 1,995,000 | 2,379,776 | ||
| 33 | Feb 26, 2026 09:20 | 5,893 | 72,203,938 | 46,916,000 | 1,996,000 | 2,510,848 | ||
| 34 | Feb 26, 2026 09:20 | 5,894 | 75,480,177 | 46,924,000 | 1,996,000 | 2,363,392 | ||
| 35 | Feb 26, 2026 09:20 | 5,896 | 70,718,089 | 46,937,000 | 1,997,000 | 2,371,584 | ||
| 36 | Feb 26, 2026 09:16 | 5,900 | 75,090,589 | 45,969,000 | 2,997,000 | 2,437,120 | ||
| 37 | Feb 26, 2026 09:20 | 5,905 | 71,959,866 | 47,013,000 | 2,000,000 | 2,375,680 | ||
| 38 | Feb 26, 2026 09:20 | 5,908 | 71,920,050 | 46,034,000 | 3,002,000 | 2,281,472 | ||
| 39 | Feb 26, 2026 09:20 | 5,916 | 70,270,687 | 46,097,000 | 3,006,000 | 2,281,472 | ||
| 40 | Feb 26, 2026 09:19 | 5,919 | 73,086,414 | 45,114,000 | 4,010,000 | 2,502,656 | ||
| 41 | Feb 26, 2026 09:17 | 5,920 | 78,680,224 | 47,127,000 | 2,005,000 | 2,486,272 | ||
| 42 | Feb 26, 2026 09:20 | 5,923 | 72,106,465 | 46,154,000 | 3,010,000 | 2,301,952 | ||
| 43 | Feb 26, 2026 09:20 | 5,925 | 73,223,205 | 46,167,000 | 3,010,000 | 2,379,776 | ||
| 44 | Feb 26, 2026 09:22 | 5,930 | 71,877,972 | 47,214,000 | 2,009,000 | 2,347,008 | ||
| 45 | Feb 26, 2026 09:17 | 5,934 | 73,034,058 | 47,239,000 | 2,010,000 | 2,359,296 | ||
| 46 | Feb 26, 2026 09:16 | 5,935 | 74,254,273 | 47,254,000 | 2,010,000 | 2,285,568 | ||
| 47 | Feb 26, 2026 09:20 | 5,935 | 81,002,589 | 47,250,000 | 2,010,000 | 2,363,392 | ||
| 48 | Feb 26, 2026 09:19 | 5,936 | 72,845,376 | 47,259,000 | 2,011,000 | 2,527,232 | ||
| 49 | Feb 26, 2026 09:18 | 5,937 | 73,226,833 | 46,264,000 | 3,017,000 | 2,498,560 | ||
| 50 | Feb 26, 2026 09:19 | 5,941 | 78,676,360 | 47,299,000 | 2,012,000 | 2,347,008 | ||
| 51 | Feb 26, 2026 09:20 | 5,942 | 75,414,954 | 49,322,000 | 0 | 2,449,408 | ||
| 52 | Feb 26, 2026 09:18 | 5,949 | 74,885,640 | 47,365,000 | 2,015,000 | 2,306,048 | ||
| 53 | Feb 26, 2026 09:17 | 5,954 | 71,005,179 | 46,393,000 | 3,025,000 | 2,359,296 | ||
| 54 | Feb 26, 2026 09:19 | 5,955 | 74,811,552 | 46,403,000 | 3,026,000 | 2,371,584 | ||
| 55 | Feb 26, 2026 09:19 | 5,956 | 71,928,623 | 46,410,000 | 3,026,000 | 2,490,368 | ||
| 56 | Feb 26, 2026 09:20 | 5,956 | 75,846,251 | 46,407,000 | 3,026,000 | 2,318,336 | ||
| 57 | Feb 26, 2026 09:20 | 5,956 | 73,217,829 | 46,412,000 | 3,026,000 | 2,371,584 | ||
| 58 | Feb 26, 2026 09:20 | 5,957 | 78,307,650 | 46,415,000 | 3,027,000 | 2,506,752 | ||
| 59 | Feb 26, 2026 09:23 | 5,960 | 72,113,108 | 47,446,000 | 2,019,000 | 2,379,776 | ||
| 60 | Feb 26, 2026 09:20 | 5,962 | 71,661,997 | 48,476,000 | 1,009,000 | 2,273,280 | ||
| 61 | Feb 26, 2026 09:20 | 5,966 | 76,224,327 | 47,500,000 | 2,021,000 | 2,396,160 | ||
| 62 | Feb 26, 2026 09:18 | 5,970 | 74,402,324 | 47,531,000 | 2,022,000 | 2,363,392 | ||
| 63 | Feb 26, 2026 09:21 | 5,971 | 74,696,237 | 47,538,000 | 2,022,000 | 2,375,680 | ||
| 64 | Feb 26, 2026 09:21 | 5,971 | 75,669,880 | 48,571,000 | 991,000 | 2,330,624 | ||
| 65 | Feb 26, 2026 09:20 | 5,972 | 81,375,994 | 46,536,000 | 3,034,000 | 2,289,664 | ||
| 66 | Feb 26, 2026 09:19 | 5,972 | 77,311,353 | 47,541,000 | 2,023,000 | 2,359,296 | ||
| 67 | Feb 26, 2026 09:20 | 5,973 | 80,625,576 | 47,556,000 | 2,023,000 | 2,355,200 | ||
| 68 | Feb 26, 2026 09:20 | 5,973 | 78,309,394 | 47,551,000 | 2,023,000 | 2,334,720 | ||
| 69 | Feb 26, 2026 09:21 | 5,974 | 74,969,286 | 48,576,000 | 1,012,000 | 2,383,872 | ||
| 70 | Feb 26, 2026 09:19 | 5,977 | 73,701,610 | 47,587,000 | 2,024,000 | 2,363,392 | ||
| 71 | Feb 26, 2026 09:20 | 5,978 | 76,608,184 | 47,596,000 | 2,025,000 | 2,449,408 | ||
| 72 | Feb 26, 2026 09:20 | 5,980 | 71,176,067 | 47,607,000 | 2,025,000 | 2,367,488 | ||
| 73 | Feb 26, 2026 09:20 | 5,981 | 75,441,846 | 47,618,000 | 2,026,000 | 2,355,200 | ||
| 74 | Feb 26, 2026 09:18 | 5,981 | 73,786,341 | 48,628,000 | 1,013,000 | 2,322,432 | ||
| 75 | Feb 26, 2026 09:20 | 5,982 | 77,475,896 | 48,641,000 | 1,013,000 | 2,449,408 | ||
| 76 | Feb 26, 2026 09:22 | 5,984 | 77,499,612 | 48,654,000 | 1,013,000 | 2,326,528 | ||
| 77 | Feb 26, 2026 09:16 | 5,984 | 73,430,855 | 46,626,000 | 3,040,000 | 2,351,104 | ||
| 78 | Feb 26, 2026 09:20 | 5,985 | 74,896,637 | 47,688,000 | 1,987,000 | 2,457,600 | ||
| 79 | Feb 26, 2026 09:20 | 5,988 | 80,916,028 | 47,673,000 | 2,028,000 | 2,453,504 | ||
| 80 | Feb 26, 2026 09:22 | 6,001 | 79,234,042 | 47,817,000 | 1,992,000 | 2,281,472 | ||
| 81 | Feb 26, 2026 09:20 | 6,003 | 79,991,190 | 48,831,000 | 996,000 | 2,371,584 | ||
| 82 | Feb 26, 2026 09:16 | 6,004 | 74,189,361 | 46,846,000 | 2,990,000 | 2,347,008 | ||
| 83 | Feb 26, 2026 09:20 | 6,004 | 76,526,856 | 47,837,000 | 1,993,000 | 2,482,176 | ||
| 84 | Feb 26, 2026 09:21 | 6,005 | 73,851,496 | 46,848,000 | 2,990,000 | 2,482,176 | ||
| 85 | Feb 26, 2026 09:19 | 6,010 | 72,592,564 | 47,885,000 | 1,995,000 | 2,359,296 | ||
| 86 | Feb 26, 2026 09:20 | 6,012 | 70,546,083 | 45,908,000 | 3,992,000 | 2,371,584 | ||
| 87 | Feb 26, 2026 09:23 | 6,013 | 78,018,602 | 47,913,000 | 1,996,000 | 2,269,184 | ||
| 88 | Feb 26, 2026 09:20 | 6,014 | 77,107,557 | 46,920,000 | 2,994,000 | 2,379,776 | ||
| 89 | Feb 26, 2026 09:20 | 6,014 | 70,974,495 | 46,922,000 | 2,995,000 | 2,375,680 | ||
| 90 | Feb 26, 2026 09:20 | 6,015 | 78,780,962 | 45,930,000 | 3,993,000 | 2,383,872 | ||
| 91 | Feb 26, 2026 09:23 | 6,019 | 78,189,544 | 47,959,000 | 1,998,000 | 2,342,912 | ||
| 92 | Feb 26, 2026 09:18 | 6,021 | 70,897,425 | 46,975,000 | 2,998,000 | 2,363,392 | ||
| 93 | Feb 26, 2026 09:16 | 6,024 | 73,551,061 | 45,997,000 | 3,999,000 | 2,277,376 | ||
| 94 | Feb 26, 2026 09:16 | 6,026 | 74,482,503 | 47,014,000 | 3,000,000 | 2,523,136 | ||
| 95 | Feb 26, 2026 09:20 | 6,029 | 80,213,842 | 47,038,000 | 3,002,000 | 2,367,488 | ||
| 96 | Feb 26, 2026 09:20 | 6,029 | 73,616,580 | 48,040,000 | 2,001,000 | 2,289,664 | ||
| 97 | Feb 26, 2026 09:20 | 6,035 | 77,422,041 | 46,087,000 | 4,007,000 | 2,371,584 | ||
| 98 | Feb 26, 2026 09:20 | 6,042 | 71,880,406 | 48,142,000 | 2,005,000 | 2,359,296 | ||
| 99 | Feb 26, 2026 09:20 | 6,044 | 78,758,367 | 47,156,000 | 3,010,000 | 2,322,432 | ||
| 100 | Feb 26, 2026 09:20 | 6,044 | 71,878,001 | 46,150,000 | 4,013,000 | 2,375,680 | ||
| 101 | Feb 26, 2026 09:20 | 6,045 | 72,709,388 | 49,173,000 | 1,003,000 | 2,363,392 | ||
| 102 | Feb 26, 2026 09:20 | 6,045 | 75,395,050 | 47,166,000 | 3,010,000 | 2,359,296 | ||
| 103 | Feb 26, 2026 09:20 | 6,046 | 72,066,097 | 47,172,000 | 3,011,000 | 2,363,392 | ||
| 104 | Feb 26, 2026 09:20 | 6,049 | 75,556,196 | 48,197,000 | 2,008,000 | 2,375,680 | ||
| 105 | Feb 26, 2026 09:20 | 6,057 | 77,233,223 | 47,258,000 | 3,016,000 | 2,355,200 | ||
| 106 | Feb 26, 2026 09:20 | 6,058 | 74,225,887 | 47,262,000 | 3,016,000 | 2,367,488 | ||
| 107 | Feb 26, 2026 09:18 | 6,074 | 71,947,051 | 47,387,000 | 3,024,000 | 2,449,408 | ||
| 108 | Feb 26, 2026 09:19 | 6,080 | 73,678,710 | 48,446,000 | 2,018,000 | 2,371,584 | ||
| 109 | Feb 26, 2026 09:20 | 6,104 | 75,977,216 | 48,637,000 | 2,026,000 | 2,371,584 | ||
| 110 | Feb 26, 2026 09:17 | 6,111 | 74,424,497 | 49,705,000 | 1,014,000 | 2,293,760 | ||
| 111 | Feb 26, 2026 09:17 | 6,119 | 77,994,951 | 48,800,000 | 1,991,000 | 2,473,984 | ||
| 112 | Feb 26, 2026 09:20 | 6,123 | 79,049,131 | 46,833,000 | 3,985,000 | 2,379,776 | ||
| 113 | Feb 26, 2026 09:20 | 6,132 | 74,180,933 | 47,900,000 | 2,993,000 | 2,269,184 | ||
| 114 | Feb 26, 2026 09:18 | 6,142 | 77,584,098 | 47,981,000 | 2,998,000 | 2,510,848 | ||
| 115 | Feb 26, 2026 09:18 | 6,148 | 72,544,828 | 47,028,000 | 4,002,000 | 2,359,296 | ||
| 116 | Feb 26, 2026 09:20 | 6,169 | 75,490,489 | 49,193,000 | 2,007,000 | 2,367,488 | ||
| 117 | Feb 26, 2026 09:17 | 6,174 | 84,078,073 | 48,233,000 | 3,014,000 | 2,494,464 | ||
| 118 | Feb 26, 2026 09:20 | 6,183 | 74,394,757 | 48,297,000 | 3,018,000 | 2,347,008 | ||
| 119 | Feb 26, 2026 09:20 | 6,193 | 76,500,051 | 47,368,000 | 4,031,000 | 2,297,856 | ||
| 120 | Feb 26, 2026 09:17 | 6,204 | 74,173,392 | 50,483,000 | 1,009,000 | 2,531,328 | ||
| 121 | Feb 26, 2026 09:20 | 6,218 | 82,804,024 | 49,585,000 | 2,023,000 | 2,375,680 | ||
| 122 | Feb 26, 2026 09:20 | 6,222 | 87,300,491 | 50,629,000 | 1,012,000 | 2,363,392 | ||
| 123 | Feb 26, 2026 09:17 | 6,237 | 79,204,324 | 50,773,000 | 995,000 | 2,359,296 | ||
| 124 | Feb 26, 2026 09:19 | 6,253 | 79,805,932 | 47,911,000 | 3,992,000 | 2,367,488 | ||
| 125 | Feb 26, 2026 09:17 | 6,274 | 80,617,009 | 50,072,000 | 2,002,000 | 2,277,376 | ||
| 126 | Feb 26, 2026 09:18 | 6,330 | 79,867,979 | 49,507,000 | 3,031,000 | 2,363,392 |