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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
1500 - Alice and Bob | 603 |
46.43%
|
234 |
81.62%
|
|
|
|
1501 - Construct the Great Wall | 43 |
55.81%
|
26 |
76.92%
|
|
|
|
1502 - GRE Words | 890 |
17.75%
|
107 |
59.81%
|
|
|
|
1503 - Ji-Tu Problem | 79 |
21.52%
|
28 |
50.00%
|
|
|
|
1504 - Genghis Khan the Conqueror | 794 |
27.58%
|
118 |
77.97%
|
|
|
|
1505 - Flood-it! | 969 |
46.44%
|
299 |
87.29%
|
|
|
|
1506 - Running relay | 126 |
25.40%
|
26 |
76.92%
|
|
|
|
1507 - Shadow | 11 |
27.27%
|
11 |
27.27%
|
|
|
|
1508 - Equipment | 503 |
50.10%
|
174 |
88.51%
|
|
|
|
1509 - Leet | 442 |
46.83%
|
124 |
93.55%
|
|
|
|
1510 - Neon Sign | 598 |
69.73%
|
265 |
91.70%
|
|
|
|
1511 - Soju | 292 |
57.88%
|
81 |
86.42%
|
|
|
|
1512 - ASCII Expression | 69 |
28.99%
|
22 |
59.09%
|
|
|
|
1513 - Movie collection | 2691 |
43.96%
|
574 |
82.23%
|
|
|
|
1514 - Piece it together | 569 |
37.96%
|
119 |
80.67%
|
|
|
|
1515 - Pool construction | 1670 |
46.77%
|
285 |
94.74%
|
|
|
|
1516 - Smoking gun | 261 |
30.27%
|
52 |
82.69%
|
|
|
|
1517 - Tracking RFIDs | 180 |
36.67%
|
47 |
76.60%
|
|
|
|
1518 - Train delays | 278 |
35.97%
|
54 |
75.93%
|
|
|
|
1519 - Dictionary Size | 495 |
33.33%
|
115 |
75.65%
|
|
|
1520 - Flights | 151 |
39.07%
|
40 |
77.50%
|
|
|
|
1521 - GCD Guessing Game | 770 |
44.16%
|
242 |
85.95%
|
|
|
|
1522 - Lights (extreme) | 20 |
55.00%
|
11 |
63.64%
|
|
|
|
1523 - Helicopter | 265 |
53.58%
|
104 |
95.19%
|
|
|
|
1524 - Hot or Cold? | 453 |
38.19%
|
148 |
82.43%
|
|
|
|
1525 - Falling Leaves | 577 |
59.27%
|
190 |
93.16%
|
|
|
|
1526 - Edge Detection | 93 |
50.54%
|
44 |
75.00%
|
|
|
|
1527 - Instruens Fabulam | 44 |
61.36%
|
22 |
81.82%
|
|
|
|
1528 - Reserve Bookshelf | 51 |
27.45%
|
23 |
60.87%
|
|
|
|
1529 - Clock | 270 |
28.52%
|
95 |
63.16%
|
|
|
|
1530 - Floating Point Numbers | 256 |
32.81%
|
70 |
72.86%
|
|
|
|
1531 - Problem Bee | 243 |
21.81%
|
43 |
81.40%
|
|
|
|
1532 - A Well-Formed Problem | 84 |
5.95%
|
27 |
18.52%
|
|
|
|
1533 - Moving Pegs | 730 |
56.99%
|
187 |
89.30%
|
|
|
|
1534 - Taekwondo | 244 |
43.03%
|
67 |
86.57%
|
|
|
|
1535 - Lost Lists | 117 |
22.22%
|
37 |
51.35%
|
|
|
|
1536 - Coins | 244 |
14.34%
|
57 |
35.09%
|
|
|
|
1537 - Picnic Planning | 1852 |
22.30%
|
389 |
69.92%
|
|
|
|
1538 - Poly-polygonal Numbers | 89 |
22.47%
|
30 |
46.67%
|
|
|
|
1539 - Rational Approximation | 53 |
20.75%
|
22 |
40.91%
|
|
|
|
1540 - Checker's Check | 31 |
29.03%
|
18 |
44.44%
|
|
|
|
1541 - To Bet or Not To Bet | 126 |
55.56%
|
57 |
77.19%
|
|
|
|
1542 - BSP Trees | 35 |
34.29%
|
19 |
63.16%
|
|
|
|
1543 - Telescope | 593 |
65.09%
|
156 |
94.87%
|
|
|
|
1544 - Simple Arithmetics | 303 |
31.68%
|
53 |
62.26%
|
|
|
|
1545 - The Bulk | 34 |
70.59%
|
20 |
75.00%
|
|
|
|
1546 - Complete the sequence! | 140 |
51.43%
|
60 |
80.00%
|
|
|
|
1547 - Direct Visibility | 41 |
34.15%
|
17 |
58.82%
|
|
|
|
1548 - The Game of Master-Mind | 87 |
57.47%
|
39 |
82.05%
|
|
|
|
1549 - Lattice Point | 207 |
53.62%
|
113 |
83.19%
|
|
|
|
1550 - Coin Exchange | 38 |
23.68%
|
18 |
50.00%
|
|
|
|
1551 - Cog-Wheels | 78 |
8.97%
|
16 |
37.50%
|
|
|
1552 - Interactive Permutation Guessing | 192 |
0.00%
|
55 |
0.00%
|
|
|
|
1553 - Buffer Manager | 53 |
52.83%
|
23 |
69.57%
|
|
|
|
1554 - Binary Search | 173 |
49.71%
|
61 |
91.80%
|
|
|
|
1555 - Garland | 879 |
44.94%
|
241 |
94.61%
|
|
|
|
1556 - Disk Tree | 2312 |
29.89%
|
383 |
77.28%
|
|
|
|
1557 - Calendar Game | 170 |
61.76%
|
85 |
85.88%
|
|
|
|
1558 - Number Game | 312 |
29.81%
|
74 |
82.43%
|
|
|
|
1559 - Nim | 259 |
57.14%
|
133 |
82.71%
|
|
|
|
1560 - Extended Lights Out | 643 |
49.92%
|
218 |
88.53%
|
|
|
|
1561 - Cycle Game | 82 |
67.07%
|
37 |
83.78%
|
|
|
|
1562 - Balanced Chemical Equations | 50 |
24.00%
|
20 |
45.00%
|
|
|
|
1563 - SETI | 232 |
39.66%
|
87 |
77.01%
|
|
|
|
1564 - Widget Factory | 582 |
44.67%
|
156 |
91.67%
|
|
|
|
1565 - Stake Your Claim | 26 |
69.23%
|
17 |
58.82%
|
|
|
|
1566 - John | 792 |
72.98%
|
473 |
96.62%
|
|
|
|
1567 - A simple stone game | 168 |
51.79%
|
88 |
79.55%
|
|
|
|
1568 - Domino Puzzle | 47 |
36.17%
|
20 |
65.00%
|
|
|
|
1569 - Multiple | 440 |
25.00%
|
89 |
75.28%
|
|
|
|
1570 - Accelerator | 116 |
0.00%
|
22 |
0.00%
|
|
|
|
1571 - How I Mathematician Wonder What You Are! | 247 |
58.70%
|
107 |
90.65%
|
|
|
|
1572 - Self-Assembly | 4035 |
44.86%
|
688 |
85.76%
|
|
|
|
1573 - Hey, Better Bettor | 162 |
40.74%
|
61 |
57.38%
|
|
|
|
1574 - Surely You Congest | 386 |
30.05%
|
101 |
73.27%
|
|
|
|
1575 - Factors | 1441 |
38.38%
|
230 |
82.17%
|
|
|
|
1576 - Harvard | 125 |
43.20%
|
39 |
48.72%
|
|
|
|
1577 - Low Power | 1244 |
45.90%
|
284 |
79.93%
|
|
|
|
1578 - Map Tiles | 72 |
19.44%
|
22 |
50.00%
|
|
|
|
1579 - Matryoshka | 760 |
54.34%
|
247 |
83.40%
|
|
|
|
1580 - Pirate Chest | 492 |
49.59%
|
149 |
79.87%
|
|
|
|
1581 - Pollution Solution | 306 |
35.29%
|
98 |
71.43%
|
|
|
|
1582 - Up a Tree | 73 |
65.75%
|
32 |
59.38%
|
|
|
|
1583 - Digit Generator | 26601 |
49.15%
|
4539 |
93.96%
|
|
|
|
1584 - Circular Sequence | 18404 |
62.18%
|
3920 |
94.97%
|
|
|
|
1585 - Score | 55821 |
52.61%
|
13676 |
92.20%
|
|
|
|
1586 - Molar mass | 33603 |
52.68%
|
7442 |
92.92%
|
|
|
|
1587 - Box | 24824 |
29.06%
|
2717 |
83.33%
|
|
|
|
1588 - Kickdown | 17609 |
35.82%
|
2233 |
88.94%
|
|
|
|
1589 - Xiangqi | 19586 |
20.13%
|
1628 |
74.20%
|
|
|
|
1590 - IP Networks | 8221 |
35.42%
|
1127 |
87.76%
|
|
|
|
1591 - Data Mining | 2047 |
50.22%
|
406 |
93.60%
|
|
|
|
1592 - Database | 13200 |
37.58%
|
1484 |
88.07%
|
|
|
|
1593 - Alignment of Code | 12695 |
38.07%
|
1661 |
87.42%
|
|
|
|
1594 - Ducci Sequence | 11482 |
60.15%
|
2171 |
94.66%
|
|
|
|
1595 - Symmetry | 11322 |
45.11%
|
1656 |
90.40%
|
|
|
|
1596 - Bug Hunt | 3273 |
48.06%
|
576 |
89.24%
|
|
|
|
1597 - Searching the Web | 5851 |
26.10%
|
545 |
72.48%
|
|
|
|
1598 - Exchange | 2073 |
29.62%
|
282 |
80.14%
|
|
|
|
1599 - Ideal Path | 16002 |
21.55%
|
1206 |
71.39%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |