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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
1500 - Alice and Bob | 654 |
45.57%
|
254 |
80.71%
|
|
|
|
1501 - Construct the Great Wall | 55 |
54.55%
|
34 |
73.53%
|
|
|
|
1502 - GRE Words | 1080 |
16.76%
|
116 |
61.21%
|
|
|
|
1503 - Ji-Tu Problem | 87 |
21.84%
|
31 |
51.61%
|
|
|
|
1504 - Genghis Khan the Conqueror | 801 |
28.09%
|
123 |
78.05%
|
|
|
|
1505 - Flood-it! | 1036 |
46.62%
|
325 |
86.46%
|
|
|
|
1506 - Running relay | 136 |
29.41%
|
29 |
79.31%
|
|
|
|
1507 - Shadow | 18 |
33.33%
|
16 |
37.50%
|
|
|
|
1508 - Equipment | 521 |
50.10%
|
179 |
87.71%
|
|
|
|
1509 - Leet | 447 |
46.98%
|
128 |
92.19%
|
|
|
|
1510 - Neon Sign | 620 |
69.03%
|
275 |
90.91%
|
|
|
|
1511 - Soju | 302 |
57.95%
|
86 |
86.05%
|
|
|
|
1512 - ASCII Expression | 73 |
28.77%
|
25 |
56.00%
|
|
|
|
1513 - Movie collection | 2819 |
44.06%
|
605 |
81.98%
|
|
|
|
1514 - Piece it together | 590 |
37.63%
|
126 |
79.37%
|
|
|
|
1515 - Pool construction | 1693 |
47.08%
|
297 |
94.61%
|
|
|
|
1516 - Smoking gun | 273 |
31.14%
|
57 |
82.46%
|
|
|
|
1517 - Tracking RFIDs | 186 |
37.63%
|
51 |
74.51%
|
|
|
|
1518 - Train delays | 287 |
36.24%
|
57 |
75.44%
|
|
|
|
1519 - Dictionary Size | 519 |
33.72%
|
120 |
75.83%
|
|
|
1520 - Flights | 158 |
40.51%
|
44 |
77.27%
|
|
|
|
1521 - GCD Guessing Game | 791 |
44.37%
|
249 |
85.94%
|
|
|
|
1522 - Lights (extreme) | 23 |
56.52%
|
14 |
64.29%
|
|
|
|
1523 - Helicopter | 269 |
53.90%
|
107 |
94.39%
|
|
|
|
1524 - Hot or Cold? | 465 |
39.14%
|
155 |
82.58%
|
|
|
|
1525 - Falling Leaves | 869 |
60.87%
|
202 |
93.07%
|
|
|
|
1526 - Edge Detection | 118 |
52.54%
|
53 |
71.70%
|
|
|
|
1527 - Instruens Fabulam | 55 |
56.36%
|
28 |
75.00%
|
|
|
|
1528 - Reserve Bookshelf | 59 |
25.42%
|
26 |
57.69%
|
|
|
|
1529 - Clock | 349 |
28.65%
|
119 |
61.34%
|
|
|
|
1530 - Floating Point Numbers | 315 |
28.57%
|
76 |
72.37%
|
|
|
|
1531 - Problem Bee | 258 |
23.26%
|
49 |
79.59%
|
|
|
|
1532 - A Well-Formed Problem | 102 |
7.84%
|
31 |
25.81%
|
|
|
|
1533 - Moving Pegs | 763 |
56.23%
|
195 |
88.72%
|
|
|
|
1534 - Taekwondo | 253 |
43.08%
|
71 |
85.92%
|
|
|
|
1535 - Lost Lists | 120 |
23.33%
|
40 |
52.50%
|
|
|
|
1536 - Coins | 250 |
15.60%
|
62 |
37.10%
|
|
|
|
1537 - Picnic Planning | 2247 |
22.65%
|
449 |
70.60%
|
|
|
|
1538 - Poly-polygonal Numbers | 107 |
25.23%
|
35 |
51.43%
|
|
|
|
1539 - Rational Approximation | 62 |
22.58%
|
29 |
41.38%
|
|
|
|
1540 - Checker's Check | 33 |
30.30%
|
20 |
45.00%
|
|
|
|
1541 - To Bet or Not To Bet | 133 |
55.64%
|
61 |
77.05%
|
|
|
|
1542 - BSP Trees | 45 |
42.22%
|
23 |
69.57%
|
|
|
|
1543 - Telescope | 614 |
65.64%
|
165 |
94.55%
|
|
|
|
1544 - Simple Arithmetics | 316 |
31.96%
|
58 |
63.79%
|
|
|
|
1545 - The Bulk | 41 |
63.41%
|
25 |
68.00%
|
|
|
|
1546 - Complete the sequence! | 153 |
54.25%
|
68 |
80.88%
|
|
|
|
1547 - Direct Visibility | 46 |
39.13%
|
21 |
61.90%
|
|
|
|
1548 - The Game of Master-Mind | 96 |
58.33%
|
44 |
81.82%
|
|
|
|
1549 - Lattice Point | 228 |
54.82%
|
119 |
84.03%
|
|
|
|
1550 - Coin Exchange | 45 |
26.67%
|
22 |
50.00%
|
|
|
|
1551 - Cog-Wheels | 100 |
23.00%
|
20 |
45.00%
|
|
|
1552 - Interactive Permutation Guessing | 207 |
0.00%
|
63 |
0.00%
|
|
|
|
1553 - Buffer Manager | 56 |
53.57%
|
26 |
69.23%
|
|
|
|
1554 - Binary Search | 179 |
50.84%
|
65 |
90.77%
|
|
|
|
1555 - Garland | 888 |
45.50%
|
247 |
94.74%
|
|
|
|
1556 - Disk Tree | 3220 |
30.03%
|
476 |
80.04%
|
|
|
|
1557 - Calendar Game | 174 |
61.49%
|
88 |
85.23%
|
|
|
|
1558 - Number Game | 315 |
30.16%
|
76 |
81.58%
|
|
|
|
1559 - Nim | 267 |
56.93%
|
137 |
82.48%
|
|
|
|
1560 - Extended Lights Out | 704 |
49.72%
|
231 |
87.45%
|
|
|
|
1561 - Cycle Game | 88 |
67.05%
|
42 |
83.33%
|
|
|
|
1562 - Balanced Chemical Equations | 57 |
24.56%
|
24 |
45.83%
|
|
|
|
1563 - SETI | 261 |
41.76%
|
92 |
78.26%
|
|
|
|
1564 - Widget Factory | 605 |
44.13%
|
159 |
91.19%
|
|
|
|
1565 - Stake Your Claim | 29 |
68.97%
|
20 |
60.00%
|
|
|
|
1566 - John | 957 |
73.35%
|
520 |
96.54%
|
|
|
|
1567 - A simple stone game | 200 |
52.50%
|
103 |
81.55%
|
|
|
|
1568 - Domino Puzzle | 50 |
38.00%
|
22 |
63.64%
|
|
|
|
1569 - Multiple | 460 |
26.09%
|
95 |
75.79%
|
|
|
|
1570 - Accelerator | 178 |
0.00%
|
29 |
0.00%
|
|
|
|
1571 - How I Mathematician Wonder What You Are! | 252 |
58.73%
|
110 |
90.00%
|
|
|
|
1572 - Self-Assembly | 4123 |
44.92%
|
710 |
85.92%
|
|
|
|
1573 - Hey, Better Bettor | 169 |
42.01%
|
66 |
57.58%
|
|
|
|
1574 - Surely You Congest | 396 |
31.31%
|
106 |
73.58%
|
|
|
|
1575 - Factors | 1468 |
38.90%
|
237 |
82.28%
|
|
|
|
1576 - Harvard | 140 |
40.00%
|
44 |
47.73%
|
|
|
|
1577 - Low Power | 1298 |
45.61%
|
299 |
79.93%
|
|
|
|
1578 - Map Tiles | 85 |
18.82%
|
27 |
48.15%
|
|
|
|
1579 - Matryoshka | 771 |
54.60%
|
255 |
83.53%
|
|
|
|
1580 - Pirate Chest | 500 |
50.20%
|
155 |
80.00%
|
|
|
|
1581 - Pollution Solution | 312 |
36.22%
|
102 |
71.57%
|
|
|
|
1582 - Up a Tree | 79 |
64.56%
|
36 |
58.33%
|
|
|
|
1583 - Digit Generator | 27153 |
49.07%
|
4631 |
93.91%
|
|
|
|
1584 - Circular Sequence | 18775 |
62.25%
|
4001 |
94.93%
|
|
|
|
1585 - Score | 57580 |
52.98%
|
13973 |
92.21%
|
|
|
|
1586 - Molar mass | 34176 |
52.76%
|
7580 |
92.94%
|
|
|
|
1587 - Box | 25298 |
29.21%
|
2785 |
83.34%
|
|
|
|
1588 - Kickdown | 18047 |
35.93%
|
2294 |
88.97%
|
|
|
|
1589 - Xiangqi | 19945 |
20.14%
|
1665 |
74.05%
|
|
|
|
1590 - IP Networks | 8344 |
35.44%
|
1141 |
87.91%
|
|
|
|
1591 - Data Mining | 2086 |
50.29%
|
416 |
93.51%
|
|
|
|
1592 - Database | 13446 |
37.63%
|
1525 |
88.26%
|
|
|
|
1593 - Alignment of Code | 12877 |
38.16%
|
1704 |
87.44%
|
|
|
|
1594 - Ducci Sequence | 11652 |
60.35%
|
2219 |
94.68%
|
|
|
|
1595 - Symmetry | 11512 |
45.21%
|
1707 |
90.51%
|
|
|
|
1596 - Bug Hunt | 3337 |
48.13%
|
592 |
89.36%
|
|
|
|
1597 - Searching the Web | 6018 |
26.42%
|
564 |
73.23%
|
|
|
|
1598 - Exchange | 2151 |
29.47%
|
292 |
79.45%
|
|
|
|
1599 - Ideal Path | 16450 |
21.62%
|
1244 |
71.46%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |