ID 题目 显示标签 隐藏标签 AC / 尝试 难度
440 P1439   Rhombs 0 / 0 (无)
441 P1440   Varacious Steve 1 / 1 10
442 P1441   Table 1 / 7 7
443 P1442   Black Box 1 / 2 6
444 P1443   DEL command 0 / 1 10
445 P1444   Parallelepiped walk 1 / 1 6
446 P1445   Random number 0 / 0 (无)
447 P1446   Moscow Time 1 / 1 6
448 P1447   Ambiguous Dates 0 / 0 (无)
449 P1448   Cube 0 / 0 (无)
450 P1449   Enigma 1 / 1 6
451 P1450   Gridland 1 / 3 6
452 P1451   T9 1 / 2 8
453 P1452   Signal Box 0 / 0 (无)
454 P1453   Delta Encoding and Decoding 0 / 0 (无)
455 P1454   Factorial Frequencies 1 / 3 6
456 P1455   Crazy tea party 0 / 0 (无)
457 P1456   Supermarket 1 / 1 5
458 P1457   Lord of the Ring 1 / 1 7
459 P1458   Common Subsequence 1 / 1 7
460 P1459   Power Network 1 / 3 7
461 P1460   Firefighters 0 / 0 (无)
462 P1461   Binary Polynomials 0 / 0 (无)
463 P1462   Random Walk 0 / 0 (无)
464 P1463   Strategic game 1 / 3 6
465 P1464   Company 0 / 0 (无)
466 P1465   Multiple 1 / 1 6
467 P1466   Girls and Boys 1 / 4 10
468 P1467   Symbolic Derivation 1 / 8 10
469 P1468   Rectangles 1 / 10 10
470 P1469   COURSES 1 / 13 10
471 P1470   Closest Common Ancestors 1 / 5 10
472 P1471   Triangles 1 / 2 10
473 P1472   Instant Complexity 1 / 2 10
474 P1473   There's Treasure Everywhere! 1 / 10 10
475 P1474   Video Surveillance 1 / 2 10
476 P1475   Pushing Boxes 2 / 8 10
477 P1476   Always On the Run 1 / 10 10
478 P1477   Box of Bricks 1 / 4 10
479 P1478   Island of Logic 1 / 3 10
480 P1479   MBone 1 / 3 10
481 P1480   Optimal Programs 1 / 2 10
482 P1481   The Die Is Cast 1 / 2 10
483 P1482   It's not a Bug, It's a Feature! 1 / 6 10
484 P1483   Going in Circles on Alpha Centauri 1 / 2 10
485 P1484   Blowing Fuses 1 / 2 10
486 P1485   Fast Food 1 / 3 10
487 P1486   Sorting Slides 1 / 4 10
488 P1487   Single-Player Games 1 / 3 10
489 P1488   TEX Quotes 1 / 3 10
490 P1489   Egyptian Multiplication 1 / 2 10
491 P1490   Cabinets 0 / 0 (无)
492 P1491   Pi 1 / 8 10
493 P1492   Up and Down Sequences 1 / 19 10
494 P1493   Machined Surfaces 1 / 3 10
495 P1494   Sunrise 0 / 0 (无)
496 P1495   LED Test 0 / 0 (无)
497 P1496   Word Index 1 / 2 10
498 P1497   Molecules 1 / 2 10
499 P1498   Matching Meetings 0 / 0 (无)
500 P1499   Supercomputer Selection, The Sequel 0 / 0 (无)
501 P1500   Polygonal Puzzle 0 / 0 (无)
502 P1501   Word-Search Wonder 1 / 2 10
503 P1502   MPI Maelstrom 2 / 8 10
504 P1503   Integer Inquiry 1 / 2 10
505 P1504   Adding Reversed Numbers 1 / 2 10
506 P1505   Copying Books 1 / 2 10
507 P1506   Substitution Cipher 1 / 23 10
508 P1507   Commedia dell' arte 1 / 3 10
509 P1508   Skyscraper Floors 0 / 0 (无)
510 P1509   Glass Beads 1 / 1 10
511 P1510   Hares and Foxes 0 / 0 (无)
512 P1511   Invitation Cards 1 / 6 10
513 P1512   Keeps Going and Going and ... 0 / 0 (无)
514 P1513   Scheduling Lectures 0 / 0 (无)
515 P1514   Metal Cutting 0 / 0 (无)
516 P1515   Street Directions 2 / 3 10
517 P1516   Parallel Deadlock 0 / 0 (无)
518 P1517   u Calculate e 1 / 8 10
519 P1518   Problem Bee 1 / 15 10
520 P1519   Digital Roots 1 / 11 10
521 P1520   Scramble Sort 1 / 14 10
522 P1521   Entropy 2 / 4 10
523 P1522   N-Credible Mazes 2 / 7 10
524 P1523   SPF 1 / 8 10
525 P1524   Cowculations 1 / 3 10
526 P1525   Hi-Q 1 / 4 10
527 P1526   Call Forwarding 1 / 3 10
528 P1527   Making the Grade 1 / 10 10
529 P1528   Perfection 1 / 6 10
530 P1529   Shipping Routes 1 / 5 10
531 P1530   Slurpys 1 / 6 10
532 P1531   Trooper of Bam 0 / 0 (无)
533 P1532   Mixed Numbers 0 / 0 (无)
534 P1533   Mystery 1 / 5 10
535 P1534   Terrorist Attack 1 / 4 10
536 P1535   Forgetful 1 / 2 10
537 P1536   Trains 0 / 0 (无)
538 P1537   Identifying Legal Pascal Real Constants 1 / 5 10
539 P1538   Extrapolation Using a Difference Table 1 / 4 10

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