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Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
1500 - Alice and Bob | 648 |
45.22%
|
249 |
80.32%
|
|
|
|
1501 - Construct the Great Wall | 50 |
52.00%
|
31 |
70.97%
|
|
|
|
1502 - GRE Words | 1030 |
16.99%
|
112 |
60.71%
|
|
|
|
1503 - Ji-Tu Problem | 82 |
21.95%
|
29 |
51.72%
|
|
|
|
1504 - Genghis Khan the Conqueror | 795 |
27.55%
|
119 |
77.31%
|
|
|
|
1505 - Flood-it! | 1029 |
46.45%
|
322 |
86.65%
|
|
|
|
1506 - Running relay | 132 |
28.03%
|
28 |
75.00%
|
|
|
|
1507 - Shadow | 14 |
21.43%
|
13 |
23.08%
|
|
|
|
1508 - Equipment | 518 |
49.81%
|
178 |
87.64%
|
|
|
|
1509 - Leet | 443 |
46.73%
|
125 |
92.80%
|
|
|
|
1510 - Neon Sign | 614 |
69.38%
|
272 |
91.18%
|
|
|
|
1511 - Soju | 295 |
57.63%
|
82 |
85.37%
|
|
|
|
1512 - ASCII Expression | 71 |
28.17%
|
23 |
56.52%
|
|
|
|
1513 - Movie collection | 2799 |
43.98%
|
601 |
81.86%
|
|
|
|
1514 - Piece it together | 585 |
37.44%
|
123 |
79.67%
|
|
|
|
1515 - Pool construction | 1690 |
46.98%
|
294 |
94.56%
|
|
|
|
1516 - Smoking gun | 262 |
30.15%
|
53 |
81.13%
|
|
|
|
1517 - Tracking RFIDs | 182 |
36.81%
|
48 |
75.00%
|
|
|
|
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 | 748 |
59.22%
|
199 |
92.96%
|
|
|
|
1526 - Edge Detection | 113 |
51.33%
|
50 |
72.00%
|
|
|
|
1527 - Instruens Fabulam | 47 |
61.70%
|
25 |
80.00%
|
|
|
|
1528 - Reserve Bookshelf | 53 |
26.42%
|
25 |
56.00%
|
|
|
|
1529 - Clock | 343 |
28.28%
|
117 |
60.68%
|
|
|
|
1530 - Floating Point Numbers | 282 |
30.85%
|
73 |
72.60%
|
|
|
|
1531 - Problem Bee | 253 |
22.53%
|
46 |
80.43%
|
|
|
|
1532 - A Well-Formed Problem | 99 |
5.05%
|
29 |
17.24%
|
|
|
|
1533 - Moving Pegs | 753 |
56.57%
|
192 |
89.06%
|
|
|
|
1534 - Taekwondo | 248 |
42.34%
|
68 |
85.29%
|
|
|
|
1535 - Lost Lists | 118 |
22.03%
|
38 |
50.00%
|
|
|
|
1536 - Coins | 246 |
14.23%
|
59 |
33.90%
|
|
|
|
1537 - Picnic Planning | 2222 |
22.50%
|
444 |
70.27%
|
|
|
|
1538 - Poly-polygonal Numbers | 103 |
23.30%
|
32 |
50.00%
|
|
|
|
1539 - Rational Approximation | 59 |
20.34%
|
26 |
38.46%
|
|
|
|
1540 - Checker's Check | 32 |
28.12%
|
19 |
42.11%
|
|
|
|
1541 - To Bet or Not To Bet | 129 |
55.04%
|
58 |
77.59%
|
|
|
|
1542 - BSP Trees | 41 |
36.59%
|
20 |
65.00%
|
|
|
|
1543 - Telescope | 608 |
65.30%
|
164 |
94.51%
|
|
|
|
1544 - Simple Arithmetics | 304 |
31.58%
|
54 |
61.11%
|
|
|
|
1545 - The Bulk | 35 |
68.57%
|
21 |
71.43%
|
|
|
|
1546 - Complete the sequence! | 149 |
53.02%
|
65 |
80.00%
|
|
|
|
1547 - Direct Visibility | 44 |
36.36%
|
19 |
57.89%
|
|
|
|
1548 - The Game of Master-Mind | 90 |
57.78%
|
41 |
80.49%
|
|
|
|
1549 - Lattice Point | 224 |
54.02%
|
116 |
83.62%
|
|
|
|
1550 - Coin Exchange | 41 |
26.83%
|
20 |
50.00%
|
|
|
|
1551 - Cog-Wheels | 97 |
21.65%
|
18 |
44.44%
|
|
|
1552 - Interactive Permutation Guessing | 204 |
0.00%
|
60 |
0.00%
|
|
|
|
1553 - Buffer Manager | 54 |
51.85%
|
24 |
66.67%
|
|
|
|
1554 - Binary Search | 174 |
49.43%
|
62 |
90.32%
|
|
|
|
1555 - Garland | 885 |
45.31%
|
244 |
94.67%
|
|
|
|
1556 - Disk Tree | 3062 |
29.52%
|
453 |
79.25%
|
|
|
|
1557 - Calendar Game | 171 |
61.40%
|
86 |
84.88%
|
|
|
|
1558 - Number Game | 313 |
29.71%
|
75 |
81.33%
|
|
|
|
1559 - Nim | 265 |
56.60%
|
136 |
82.35%
|
|
|
|
1560 - Extended Lights Out | 680 |
49.56%
|
227 |
87.67%
|
|
|
|
1561 - Cycle Game | 84 |
66.67%
|
39 |
82.05%
|
|
|
|
1562 - Balanced Chemical Equations | 54 |
22.22%
|
22 |
40.91%
|
|
|
|
1563 - SETI | 239 |
40.17%
|
88 |
77.27%
|
|
|
|
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 | 197 |
52.28%
|
100 |
82.00%
|
|
|
|
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 | 164 |
40.85%
|
63 |
57.14%
|
|
|
|
1574 - Surely You Congest | 393 |
30.79%
|
104 |
73.08%
|
|
|
|
1575 - Factors | 1464 |
38.73%
|
234 |
82.05%
|
|
|
|
1576 - Harvard | 134 |
40.30%
|
41 |
46.34%
|
|
|
|
1577 - Low Power | 1289 |
45.85%
|
297 |
80.13%
|
|
|
|
1578 - Map Tiles | 82 |
17.07%
|
24 |
45.83%
|
|
|
|
1579 - Matryoshka | 768 |
54.56%
|
253 |
83.40%
|
|
|
|
1580 - Pirate Chest | 499 |
50.10%
|
154 |
79.87%
|
|
|
|
1581 - Pollution Solution | 307 |
35.18%
|
99 |
70.71%
|
|
|
|
1582 - Up a Tree | 75 |
64.00%
|
33 |
57.58%
|
|
|
|
1583 - Digit Generator | 27057 |
49.07%
|
4617 |
93.89%
|
|
|
|
1584 - Circular Sequence | 18713 |
62.21%
|
3988 |
94.91%
|
|
|
|
1585 - Score | 57421 |
52.94%
|
13929 |
92.19%
|
|
|
|
1586 - Molar mass | 34092 |
52.75%
|
7562 |
92.93%
|
|
|
|
1587 - Box | 25216 |
29.15%
|
2769 |
83.32%
|
|
|
|
1588 - Kickdown | 17983 |
35.84%
|
2278 |
88.85%
|
|
|
|
1589 - Xiangqi | 19901 |
20.12%
|
1656 |
74.03%
|
|
|
|
1590 - IP Networks | 8311 |
35.41%
|
1136 |
87.85%
|
|
|
|
1591 - Data Mining | 2084 |
50.24%
|
414 |
93.48%
|
|
|
|
1592 - Database | 13418 |
37.58%
|
1515 |
88.18%
|
|
|
|
1593 - Alignment of Code | 12843 |
38.12%
|
1695 |
87.37%
|
|
|
|
1594 - Ducci Sequence | 11631 |
60.32%
|
2210 |
94.66%
|
|
|
|
1595 - Symmetry | 11489 |
45.17%
|
1699 |
90.52%
|
|
|
|
1596 - Bug Hunt | 3330 |
48.02%
|
588 |
89.29%
|
|
|
|
1597 - Searching the Web | 6008 |
26.35%
|
559 |
72.99%
|
|
|
|
1598 - Exchange | 2144 |
29.38%
|
290 |
79.31%
|
|
|
|
1599 - Ideal Path | 16411 |
21.61%
|
1241 |
71.39%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |