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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
1500 - Alice and Bob | 608 |
46.55%
|
237 |
81.86%
|
|
|
|
1501 - Construct the Great Wall | 48 |
54.17%
|
29 |
75.86%
|
|
|
|
1502 - GRE Words | 900 |
17.56%
|
108 |
59.26%
|
|
|
|
1503 - Ji-Tu Problem | 79 |
21.52%
|
28 |
50.00%
|
|
|
|
1504 - Genghis Khan the Conqueror | 794 |
27.58%
|
118 |
77.97%
|
|
|
|
1505 - Flood-it! | 983 |
46.19%
|
305 |
86.56%
|
|
|
|
1506 - Running relay | 126 |
25.40%
|
26 |
76.92%
|
|
|
|
1507 - Shadow | 11 |
27.27%
|
11 |
27.27%
|
|
|
|
1508 - Equipment | 510 |
50.20%
|
175 |
88.57%
|
|
|
|
1509 - Leet | 442 |
46.83%
|
124 |
93.55%
|
|
|
|
1510 - Neon Sign | 601 |
69.55%
|
266 |
91.73%
|
|
|
|
1511 - Soju | 292 |
57.88%
|
81 |
86.42%
|
|
|
|
1512 - ASCII Expression | 69 |
28.99%
|
22 |
59.09%
|
|
|
|
1513 - Movie collection | 2700 |
44.04%
|
579 |
82.38%
|
|
|
|
1514 - Piece it together | 569 |
37.96%
|
119 |
80.67%
|
|
|
|
1515 - Pool construction | 1671 |
46.80%
|
286 |
94.76%
|
|
|
|
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 | 502 |
33.07%
|
116 |
75.86%
|
|
|
1520 - Flights | 151 |
39.07%
|
40 |
77.50%
|
|
|
|
1521 - GCD Guessing Game | 777 |
43.76%
|
243 |
85.60%
|
|
|
|
1522 - Lights (extreme) | 20 |
55.00%
|
11 |
63.64%
|
|
|
|
1523 - Helicopter | 265 |
53.58%
|
104 |
95.19%
|
|
|
|
1524 - Hot or Cold? | 457 |
38.51%
|
150 |
82.67%
|
|
|
|
1525 - Falling Leaves | 594 |
58.92%
|
191 |
93.19%
|
|
|
|
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 | 273 |
28.57%
|
96 |
63.54%
|
|
|
|
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 | 1904 |
22.16%
|
396 |
69.70%
|
|
|
|
1538 - Poly-polygonal Numbers | 89 |
22.47%
|
30 |
46.67%
|
|
|
|
1539 - Rational Approximation | 55 |
20.00%
|
23 |
39.13%
|
|
|
|
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 | 595 |
65.21%
|
157 |
94.90%
|
|
|
|
1544 - Simple Arithmetics | 303 |
31.68%
|
53 |
62.26%
|
|
|
|
1545 - The Bulk | 34 |
70.59%
|
20 |
75.00%
|
|
|
|
1546 - Complete the sequence! | 145 |
52.41%
|
62 |
80.65%
|
|
|
|
1547 - Direct Visibility | 43 |
37.21%
|
18 |
61.11%
|
|
|
|
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 | 2379 |
30.05%
|
394 |
77.66%
|
|
|
|
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 | 651 |
49.46%
|
220 |
88.18%
|
|
|
|
1561 - Cycle Game | 83 |
67.47%
|
38 |
84.21%
|
|
|
|
1562 - Balanced Chemical Equations | 50 |
24.00%
|
20 |
45.00%
|
|
|
|
1563 - SETI | 232 |
39.66%
|
87 |
77.01%
|
|
|
|
1564 - Widget Factory | 587 |
44.29%
|
156 |
91.67%
|
|
|
|
1565 - Stake Your Claim | 26 |
69.23%
|
17 |
58.82%
|
|
|
|
1566 - John | 799 |
73.22%
|
479 |
96.66%
|
|
|
|
1567 - A simple stone game | 168 |
51.79%
|
88 |
79.55%
|
|
|
|
1568 - Domino Puzzle | 47 |
36.17%
|
20 |
65.00%
|
|
|
|
1569 - Multiple | 442 |
25.34%
|
90 |
75.56%
|
|
|
|
1570 - Accelerator | 116 |
0.00%
|
22 |
0.00%
|
|
|
|
1571 - How I Mathematician Wonder What You Are! | 248 |
58.87%
|
108 |
90.74%
|
|
|
|
1572 - Self-Assembly | 4048 |
44.76%
|
690 |
85.80%
|
|
|
|
1573 - Hey, Better Bettor | 162 |
40.74%
|
61 |
57.38%
|
|
|
|
1574 - Surely You Congest | 386 |
30.05%
|
101 |
73.27%
|
|
|
|
1575 - Factors | 1442 |
38.42%
|
230 |
82.17%
|
|
|
|
1576 - Harvard | 125 |
43.20%
|
39 |
48.72%
|
|
|
|
1577 - Low Power | 1262 |
45.80%
|
289 |
79.93%
|
|
|
|
1578 - Map Tiles | 77 |
18.18%
|
23 |
47.83%
|
|
|
|
1579 - Matryoshka | 764 |
54.45%
|
250 |
83.60%
|
|
|
|
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 | 26638 |
49.13%
|
4549 |
93.95%
|
|
|
|
1584 - Circular Sequence | 18427 |
62.18%
|
3930 |
94.99%
|
|
|
|
1585 - Score | 55927 |
52.65%
|
13722 |
92.21%
|
|
|
|
1586 - Molar mass | 33645 |
52.70%
|
7462 |
92.94%
|
|
|
|
1587 - Box | 24868 |
29.06%
|
2723 |
83.29%
|
|
|
|
1588 - Kickdown | 17643 |
35.81%
|
2240 |
88.97%
|
|
|
|
1589 - Xiangqi | 19607 |
20.13%
|
1632 |
74.26%
|
|
|
|
1590 - IP Networks | 8232 |
35.43%
|
1130 |
87.79%
|
|
|
|
1591 - Data Mining | 2048 |
50.24%
|
407 |
93.61%
|
|
|
|
1592 - Database | 13238 |
37.59%
|
1490 |
88.12%
|
|
|
|
1593 - Alignment of Code | 12708 |
38.07%
|
1668 |
87.35%
|
|
|
|
1594 - Ducci Sequence | 11507 |
60.15%
|
2177 |
94.67%
|
|
|
|
1595 - Symmetry | 11337 |
45.10%
|
1659 |
90.42%
|
|
|
|
1596 - Bug Hunt | 3277 |
48.09%
|
579 |
89.29%
|
|
|
|
1597 - Searching the Web | 5859 |
26.08%
|
546 |
72.53%
|
|
|
|
1598 - Exchange | 2084 |
29.46%
|
284 |
79.58%
|
|
|
|
1599 - Ideal Path | 16049 |
21.57%
|
1212 |
71.29%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |