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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
1500 - Alice and Bob | 531 |
47.65%
|
201 |
82.09%
|
|
|
|
1501 - Construct the Great Wall | 41 |
58.54%
|
25 |
80.00%
|
|
|
|
1502 - GRE Words | 701 |
18.97%
|
88 |
62.50%
|
|
|
|
1503 - Ji-Tu Problem | 77 |
22.08%
|
26 |
53.85%
|
|
|
|
1504 - Genghis Khan the Conqueror | 770 |
28.05%
|
115 |
78.26%
|
|
|
|
1505 - Flood-it! | 862 |
45.48%
|
263 |
87.45%
|
|
|
|
1506 - Running relay | 126 |
25.40%
|
26 |
76.92%
|
|
|
|
1507 - Shadow | 11 |
27.27%
|
11 |
27.27%
|
|
|
|
1508 - Equipment | 497 |
50.50%
|
172 |
88.95%
|
|
|
|
1509 - Leet | 439 |
46.70%
|
123 |
93.50%
|
|
|
|
1510 - Neon Sign | 583 |
70.33%
|
260 |
91.92%
|
|
|
|
1511 - Soju | 287 |
57.49%
|
80 |
86.25%
|
|
|
|
1512 - ASCII Expression | 58 |
24.14%
|
20 |
55.00%
|
|
|
|
1513 - Movie collection | 2561 |
43.77%
|
551 |
83.12%
|
|
|
|
1514 - Piece it together | 530 |
37.74%
|
116 |
80.17%
|
|
|
|
1515 - Pool construction | 1627 |
46.34%
|
268 |
94.40%
|
|
|
|
1516 - Smoking gun | 233 |
33.91%
|
51 |
84.31%
|
|
|
|
1517 - Tracking RFIDs | 176 |
35.23%
|
45 |
75.56%
|
|
|
|
1518 - Train delays | 257 |
35.80%
|
52 |
76.92%
|
|
|
|
1519 - Dictionary Size | 490 |
32.86%
|
113 |
75.22%
|
|
|
1520 - Flights | 150 |
38.67%
|
39 |
76.92%
|
|
|
|
1521 - GCD Guessing Game | 746 |
43.97%
|
230 |
86.96%
|
|
|
|
1522 - Lights (extreme) | 20 |
55.00%
|
11 |
63.64%
|
|
|
|
1523 - Helicopter | 265 |
53.58%
|
104 |
95.19%
|
|
|
|
1524 - Hot or Cold? | 447 |
37.58%
|
145 |
82.07%
|
|
|
|
1525 - Falling Leaves | 453 |
58.28%
|
179 |
93.85%
|
|
|
|
1526 - Edge Detection | 92 |
50.00%
|
43 |
74.42%
|
|
|
|
1527 - Instruens Fabulam | 44 |
61.36%
|
22 |
81.82%
|
|
|
|
1528 - Reserve Bookshelf | 48 |
27.08%
|
22 |
59.09%
|
|
|
|
1529 - Clock | 255 |
28.63%
|
92 |
63.04%
|
|
|
|
1530 - Floating Point Numbers | 237 |
34.18%
|
69 |
71.01%
|
|
|
|
1531 - Problem Bee | 243 |
21.81%
|
43 |
81.40%
|
|
|
|
1532 - A Well-Formed Problem | 61 |
8.20%
|
19 |
26.32%
|
|
|
|
1533 - Moving Pegs | 710 |
56.62%
|
183 |
89.62%
|
|
|
|
1534 - Taekwondo | 242 |
42.56%
|
66 |
86.36%
|
|
|
|
1535 - Lost Lists | 117 |
22.22%
|
37 |
51.35%
|
|
|
|
1536 - Coins | 228 |
12.72%
|
51 |
31.37%
|
|
|
|
1537 - Picnic Planning | 1499 |
21.81%
|
317 |
67.82%
|
|
|
|
1538 - Poly-polygonal Numbers | 85 |
22.35%
|
28 |
46.43%
|
|
|
|
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 | 33 |
36.36%
|
18 |
66.67%
|
|
|
|
1543 - Telescope | 581 |
65.06%
|
148 |
95.95%
|
|
|
|
1544 - Simple Arithmetics | 259 |
34.75%
|
47 |
59.57%
|
|
|
|
1545 - The Bulk | 24 |
62.50%
|
14 |
64.29%
|
|
|
|
1546 - Complete the sequence! | 120 |
59.17%
|
57 |
82.46%
|
|
|
|
1547 - Direct Visibility | 40 |
32.50%
|
16 |
56.25%
|
|
|
|
1548 - The Game of Master-Mind | 77 |
54.55%
|
35 |
82.86%
|
|
|
|
1549 - Lattice Point | 207 |
53.62%
|
113 |
83.19%
|
|
|
|
1550 - Coin Exchange | 38 |
23.68%
|
18 |
50.00%
|
|
|
|
1551 - Cog-Wheels | 77 |
9.09%
|
15 |
40.00%
|
|
|
1552 - Interactive Permutation Guessing | 167 |
0.00%
|
51 |
0.00%
|
|
|
|
1553 - Buffer Manager | 37 |
45.95%
|
19 |
68.42%
|
|
|
|
1554 - Binary Search | 171 |
49.12%
|
59 |
91.53%
|
|
|
|
1555 - Garland | 849 |
44.64%
|
234 |
94.44%
|
|
|
|
1556 - Disk Tree | 1673 |
30.07%
|
324 |
77.78%
|
|
|
|
1557 - Calendar Game | 167 |
61.08%
|
84 |
85.71%
|
|
|
|
1558 - Number Game | 285 |
30.18%
|
71 |
80.28%
|
|
|
|
1559 - Nim | 248 |
56.45%
|
127 |
82.68%
|
|
|
|
1560 - Extended Lights Out | 571 |
51.66%
|
198 |
88.89%
|
|
|
|
1561 - Cycle Game | 82 |
67.07%
|
37 |
83.78%
|
|
|
|
1562 - Balanced Chemical Equations | 50 |
24.00%
|
20 |
45.00%
|
|
|
|
1563 - SETI | 158 |
46.20%
|
78 |
71.79%
|
|
|
|
1564 - Widget Factory | 479 |
46.97%
|
130 |
92.31%
|
|
|
|
1565 - Stake Your Claim | 26 |
69.23%
|
17 |
58.82%
|
|
|
|
1566 - John | 673 |
73.25%
|
390 |
96.92%
|
|
|
|
1567 - A simple stone game | 99 |
56.57%
|
59 |
77.97%
|
|
|
|
1568 - Domino Puzzle | 46 |
34.78%
|
19 |
63.16%
|
|
|
|
1569 - Multiple | 397 |
26.70%
|
86 |
73.26%
|
|
|
|
1570 - Accelerator | 83 |
0.00%
|
13 |
0.00%
|
|
|
|
1571 - How I Mathematician Wonder What You Are! | 217 |
61.75%
|
99 |
90.91%
|
|
|
|
1572 - Self-Assembly | 3929 |
45.08%
|
667 |
85.46%
|
|
|
|
1573 - Hey, Better Bettor | 160 |
40.62%
|
60 |
56.67%
|
|
|
|
1574 - Surely You Congest | 386 |
30.05%
|
101 |
73.27%
|
|
|
|
1575 - Factors | 1314 |
39.35%
|
225 |
82.22%
|
|
|
|
1576 - Harvard | 121 |
44.63%
|
38 |
50.00%
|
|
|
|
1577 - Low Power | 1182 |
45.43%
|
276 |
80.80%
|
|
|
|
1578 - Map Tiles | 71 |
19.72%
|
21 |
52.38%
|
|
|
|
1579 - Matryoshka | 719 |
55.35%
|
235 |
83.83%
|
|
|
|
1580 - Pirate Chest | 462 |
49.78%
|
138 |
78.99%
|
|
|
|
1581 - Pollution Solution | 295 |
34.58%
|
95 |
71.58%
|
|
|
|
1582 - Up a Tree | 72 |
65.28%
|
31 |
58.06%
|
|
|
|
1583 - Digit Generator | 26115 |
49.04%
|
4423 |
93.85%
|
|
|
|
1584 - Circular Sequence | 17951 |
62.28%
|
3817 |
95.10%
|
|
|
|
1585 - Score | 54296 |
52.58%
|
13311 |
92.21%
|
|
|
|
1586 - Molar mass | 32912 |
52.72%
|
7275 |
92.82%
|
|
|
|
1587 - Box | 24238 |
29.09%
|
2645 |
83.40%
|
|
|
|
1588 - Kickdown | 17199 |
35.88%
|
2174 |
89.10%
|
|
|
|
1589 - Xiangqi | 19144 |
20.07%
|
1581 |
74.32%
|
|
|
|
1590 - IP Networks | 7981 |
35.47%
|
1091 |
88.08%
|
|
|
|
1591 - Data Mining | 1955 |
50.74%
|
395 |
93.42%
|
|
|
|
1592 - Database | 12770 |
37.38%
|
1432 |
88.06%
|
|
|
|
1593 - Alignment of Code | 12208 |
38.02%
|
1613 |
87.66%
|
|
|
|
1594 - Ducci Sequence | 11070 |
60.05%
|
2102 |
94.67%
|
|
|
|
1595 - Symmetry | 11014 |
44.89%
|
1589 |
90.56%
|
|
|
|
1596 - Bug Hunt | 3137 |
47.94%
|
554 |
89.17%
|
|
|
|
1597 - Searching the Web | 5603 |
26.00%
|
525 |
72.38%
|
|
|
|
1598 - Exchange | 1998 |
29.98%
|
272 |
80.15%
|
|
|
|
1599 - Ideal Path | 15319 |
21.71%
|
1161 |
71.40%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |