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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
1500 - Alice and Bob | 650 |
45.23%
|
250 |
80.40%
|
|
|
|
1501 - Construct the Great Wall | 51 |
52.94%
|
32 |
71.88%
|
|
|
|
1502 - GRE Words | 1033 |
17.13%
|
113 |
60.18%
|
|
|
|
1503 - Ji-Tu Problem | 83 |
21.69%
|
30 |
50.00%
|
|
|
|
1504 - Genghis Khan the Conqueror | 796 |
27.64%
|
120 |
77.50%
|
|
|
|
1505 - Flood-it! | 1033 |
46.47%
|
323 |
86.38%
|
|
|
|
1506 - Running relay | 132 |
28.03%
|
28 |
75.00%
|
|
|
|
1507 - Shadow | 17 |
29.41%
|
15 |
33.33%
|
|
|
|
1508 - Equipment | 518 |
49.81%
|
178 |
87.64%
|
|
|
|
1509 - Leet | 446 |
46.86%
|
127 |
92.13%
|
|
|
|
1510 - Neon Sign | 619 |
68.98%
|
274 |
90.88%
|
|
|
|
1511 - Soju | 296 |
57.77%
|
83 |
85.54%
|
|
|
|
1512 - ASCII Expression | 72 |
27.78%
|
24 |
54.17%
|
|
|
|
1513 - Movie collection | 2801 |
44.02%
|
601 |
81.86%
|
|
|
|
1514 - Piece it together | 586 |
37.37%
|
124 |
79.03%
|
|
|
|
1515 - Pool construction | 1690 |
46.98%
|
294 |
94.56%
|
|
|
|
1516 - Smoking gun | 264 |
30.68%
|
54 |
81.48%
|
|
|
|
1517 - Tracking RFIDs | 183 |
36.61%
|
49 |
73.47%
|
|
|
|
1518 - Train delays | 282 |
35.82%
|
55 |
74.55%
|
|
|
|
1519 - Dictionary Size | 510 |
33.53%
|
118 |
75.42%
|
|
|
1520 - Flights | 155 |
39.35%
|
42 |
76.19%
|
|
|
|
1521 - GCD Guessing Game | 790 |
44.30%
|
248 |
85.89%
|
|
|
|
1522 - Lights (extreme) | 21 |
52.38%
|
12 |
58.33%
|
|
|
|
1523 - Helicopter | 266 |
53.38%
|
105 |
94.29%
|
|
|
|
1524 - Hot or Cold? | 464 |
39.01%
|
154 |
82.47%
|
|
|
|
1525 - Falling Leaves | 749 |
59.28%
|
199 |
92.96%
|
|
|
|
1526 - Edge Detection | 114 |
50.88%
|
51 |
70.59%
|
|
|
|
1527 - Instruens Fabulam | 53 |
54.72%
|
27 |
74.07%
|
|
|
|
1528 - Reserve Bookshelf | 53 |
26.42%
|
25 |
56.00%
|
|
|
|
1529 - Clock | 345 |
28.70%
|
118 |
61.02%
|
|
|
|
1530 - Floating Point Numbers | 283 |
30.74%
|
74 |
71.62%
|
|
|
|
1531 - Problem Bee | 254 |
22.44%
|
47 |
78.72%
|
|
|
|
1532 - A Well-Formed Problem | 99 |
5.05%
|
29 |
17.24%
|
|
|
|
1533 - Moving Pegs | 758 |
56.20%
|
193 |
88.60%
|
|
|
|
1534 - Taekwondo | 250 |
42.40%
|
69 |
85.51%
|
|
|
|
1535 - Lost Lists | 118 |
22.03%
|
38 |
50.00%
|
|
|
|
1536 - Coins | 246 |
14.23%
|
59 |
33.90%
|
|
|
|
1537 - Picnic Planning | 2236 |
22.54%
|
446 |
70.18%
|
|
|
|
1538 - Poly-polygonal Numbers | 104 |
23.08%
|
33 |
48.48%
|
|
|
|
1539 - Rational Approximation | 60 |
20.00%
|
27 |
37.04%
|
|
|
|
1540 - Checker's Check | 32 |
28.12%
|
19 |
42.11%
|
|
|
|
1541 - To Bet or Not To Bet | 130 |
54.62%
|
59 |
76.27%
|
|
|
|
1542 - BSP Trees | 42 |
38.10%
|
21 |
66.67%
|
|
|
|
1543 - Telescope | 609 |
65.35%
|
164 |
94.51%
|
|
|
|
1544 - Simple Arithmetics | 306 |
32.03%
|
55 |
61.82%
|
|
|
|
1545 - The Bulk | 39 |
61.54%
|
23 |
65.22%
|
|
|
|
1546 - Complete the sequence! | 150 |
53.33%
|
66 |
80.30%
|
|
|
|
1547 - Direct Visibility | 44 |
36.36%
|
19 |
57.89%
|
|
|
|
1548 - The Game of Master-Mind | 91 |
58.24%
|
42 |
80.95%
|
|
|
|
1549 - Lattice Point | 225 |
54.22%
|
117 |
83.76%
|
|
|
|
1550 - Coin Exchange | 41 |
26.83%
|
20 |
50.00%
|
|
|
|
1551 - Cog-Wheels | 98 |
21.43%
|
19 |
42.11%
|
|
|
1552 - Interactive Permutation Guessing | 205 |
0.00%
|
61 |
0.00%
|
|
|
|
1553 - Buffer Manager | 54 |
51.85%
|
24 |
66.67%
|
|
|
|
1554 - Binary Search | 176 |
50.00%
|
63 |
90.48%
|
|
|
|
1555 - Garland | 886 |
45.37%
|
245 |
94.69%
|
|
|
|
1556 - Disk Tree | 3105 |
29.66%
|
459 |
79.30%
|
|
|
|
1557 - Calendar Game | 172 |
61.63%
|
87 |
85.06%
|
|
|
|
1558 - Number Game | 313 |
29.71%
|
75 |
81.33%
|
|
|
|
1559 - Nim | 265 |
56.60%
|
136 |
82.35%
|
|
|
|
1560 - Extended Lights Out | 689 |
49.78%
|
229 |
87.77%
|
|
|
|
1561 - Cycle Game | 85 |
67.06%
|
40 |
82.50%
|
|
|
|
1562 - Balanced Chemical Equations | 54 |
22.22%
|
22 |
40.91%
|
|
|
|
1563 - SETI | 240 |
40.00%
|
89 |
76.40%
|
|
|
|
1564 - Widget Factory | 603 |
43.95%
|
158 |
91.14%
|
|
|
|
1565 - Stake Your Claim | 26 |
69.23%
|
17 |
58.82%
|
|
|
|
1566 - John | 954 |
73.27%
|
519 |
96.53%
|
|
|
|
1567 - A simple stone game | 198 |
52.02%
|
101 |
81.19%
|
|
|
|
1568 - Domino Puzzle | 48 |
35.42%
|
21 |
61.90%
|
|
|
|
1569 - Multiple | 453 |
25.39%
|
93 |
75.27%
|
|
|
|
1570 - Accelerator | 141 |
0.00%
|
26 |
0.00%
|
|
|
|
1571 - How I Mathematician Wonder What You Are! | 250 |
58.40%
|
109 |
89.91%
|
|
|
|
1572 - Self-Assembly | 4115 |
44.84%
|
707 |
85.86%
|
|
|
|
1573 - Hey, Better Bettor | 165 |
40.61%
|
64 |
56.25%
|
|
|
|
1574 - Surely You Congest | 393 |
30.79%
|
104 |
73.08%
|
|
|
|
1575 - Factors | 1465 |
38.77%
|
235 |
82.13%
|
|
|
|
1576 - Harvard | 135 |
40.00%
|
42 |
45.24%
|
|
|
|
1577 - Low Power | 1291 |
45.78%
|
297 |
80.13%
|
|
|
|
1578 - Map Tiles | 83 |
16.87%
|
25 |
44.00%
|
|
|
|
1579 - Matryoshka | 768 |
54.56%
|
253 |
83.40%
|
|
|
|
1580 - Pirate Chest | 499 |
50.10%
|
154 |
79.87%
|
|
|
|
1581 - Pollution Solution | 308 |
35.39%
|
100 |
71.00%
|
|
|
|
1582 - Up a Tree | 76 |
63.16%
|
34 |
55.88%
|
|
|
|
1583 - Digit Generator | 27078 |
49.10%
|
4621 |
93.90%
|
|
|
|
1584 - Circular Sequence | 18726 |
62.23%
|
3989 |
94.91%
|
|
|
|
1585 - Score | 57466 |
52.97%
|
13937 |
92.19%
|
|
|
|
1586 - Molar mass | 34112 |
52.75%
|
7568 |
92.93%
|
|
|
|
1587 - Box | 25252 |
29.18%
|
2774 |
83.35%
|
|
|
|
1588 - Kickdown | 18001 |
35.85%
|
2280 |
88.86%
|
|
|
|
1589 - Xiangqi | 19908 |
20.12%
|
1658 |
74.07%
|
|
|
|
1590 - IP Networks | 8318 |
35.42%
|
1137 |
87.86%
|
|
|
|
1591 - Data Mining | 2084 |
50.24%
|
414 |
93.48%
|
|
|
|
1592 - Database | 13426 |
37.58%
|
1517 |
88.20%
|
|
|
|
1593 - Alignment of Code | 12846 |
38.13%
|
1696 |
87.38%
|
|
|
|
1594 - Ducci Sequence | 11634 |
60.33%
|
2212 |
94.67%
|
|
|
|
1595 - Symmetry | 11497 |
45.19%
|
1701 |
90.53%
|
|
|
|
1596 - Bug Hunt | 3331 |
48.03%
|
588 |
89.29%
|
|
|
|
1597 - Searching the Web | 6009 |
26.36%
|
560 |
73.04%
|
|
|
|
1598 - Exchange | 2144 |
29.38%
|
290 |
79.31%
|
|
|
|
1599 - Ideal Path | 16419 |
21.61%
|
1242 |
71.42%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |