Our Patreons
Diamond Sponsors
Steven & Felix Halim
Reinardus Pradhitya
Gold Sponsors
--- YOUR NAME HERE ----
Silver Sponsors
--- YOUR NAME HERE ----
Bronze Sponsors
Christianto Handojo
Krzysztof Adamek
Fatima Broom
Contribute
Bitcoin:
1ojudgeapLUjJcnUm
ze67a4w3TJ6WnPxo
Browse Problems
| Title | Total Submissions / Solving % | Total Users / Solving % | ||||
|
1500 - Alice and Bob | 635 |
45.04%
|
244 |
80.74%
|
|
|
|
1501 - Construct the Great Wall | 49 |
53.06%
|
30 |
73.33%
|
|
|
|
1502 - GRE Words | 993 |
17.02%
|
110 |
60.00%
|
|
|
|
1503 - Ji-Tu Problem | 79 |
21.52%
|
28 |
50.00%
|
|
|
|
1504 - Genghis Khan the Conqueror | 794 |
27.58%
|
118 |
77.97%
|
|
|
|
1505 - Flood-it! | 1013 |
46.50%
|
317 |
86.75%
|
|
|
|
1506 - Running relay | 126 |
25.40%
|
26 |
76.92%
|
|
|
|
1507 - Shadow | 11 |
27.27%
|
11 |
27.27%
|
|
|
|
1508 - Equipment | 512 |
50.00%
|
176 |
88.07%
|
|
|
|
1509 - Leet | 442 |
46.83%
|
124 |
93.55%
|
|
|
|
1510 - Neon Sign | 607 |
69.36%
|
267 |
91.76%
|
|
|
|
1511 - Soju | 292 |
57.88%
|
81 |
86.42%
|
|
|
|
1512 - ASCII Expression | 69 |
28.99%
|
22 |
59.09%
|
|
|
|
1513 - Movie collection | 2764 |
43.63%
|
594 |
81.99%
|
|
|
|
1514 - Piece it together | 581 |
37.52%
|
122 |
80.33%
|
|
|
|
1515 - Pool construction | 1685 |
46.94%
|
291 |
94.85%
|
|
|
|
1516 - Smoking gun | 261 |
30.27%
|
52 |
82.69%
|
|
|
|
1517 - Tracking RFIDs | 180 |
36.67%
|
47 |
76.60%
|
|
|
|
1518 - Train delays | 281 |
35.94%
|
54 |
75.93%
|
|
|
|
1519 - Dictionary Size | 503 |
33.20%
|
116 |
75.86%
|
|
|
1520 - Flights | 151 |
39.07%
|
40 |
77.50%
|
|
|
|
1521 - GCD Guessing Game | 783 |
44.06%
|
245 |
86.12%
|
|
|
|
1522 - Lights (extreme) | 20 |
55.00%
|
11 |
63.64%
|
|
|
|
1523 - Helicopter | 265 |
53.58%
|
104 |
95.19%
|
|
|
|
1524 - Hot or Cold? | 458 |
38.65%
|
151 |
82.78%
|
|
|
|
1525 - Falling Leaves | 600 |
59.00%
|
192 |
93.23%
|
|
|
|
1526 - Edge Detection | 110 |
52.73%
|
48 |
75.00%
|
|
|
|
1527 - Instruens Fabulam | 44 |
61.36%
|
22 |
81.82%
|
|
|
|
1528 - Reserve Bookshelf | 51 |
27.45%
|
23 |
60.87%
|
|
|
|
1529 - Clock | 340 |
28.24%
|
115 |
60.87%
|
|
|
|
1530 - Floating Point Numbers | 264 |
32.95%
|
72 |
73.61%
|
|
|
|
1531 - Problem Bee | 252 |
22.62%
|
45 |
82.22%
|
|
|
|
1532 - A Well-Formed Problem | 90 |
5.56%
|
28 |
17.86%
|
|
|
|
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 | 2150 |
21.77%
|
435 |
70.11%
|
|
|
|
1538 - Poly-polygonal Numbers | 89 |
22.47%
|
30 |
46.67%
|
|
|
|
1539 - Rational Approximation | 58 |
20.69%
|
25 |
40.00%
|
|
|
|
1540 - Checker's Check | 31 |
29.03%
|
18 |
44.44%
|
|
|
|
1541 - To Bet or Not To Bet | 129 |
55.04%
|
58 |
77.59%
|
|
|
|
1542 - BSP Trees | 40 |
37.50%
|
19 |
68.42%
|
|
|
|
1543 - Telescope | 602 |
65.28%
|
160 |
95.00%
|
|
|
|
1544 - Simple Arithmetics | 303 |
31.68%
|
53 |
62.26%
|
|
|
|
1545 - The Bulk | 34 |
70.59%
|
20 |
75.00%
|
|
|
|
1546 - Complete the sequence! | 147 |
53.06%
|
63 |
80.95%
|
|
|
|
1547 - Direct Visibility | 43 |
37.21%
|
18 |
61.11%
|
|
|
|
1548 - The Game of Master-Mind | 89 |
58.43%
|
40 |
82.50%
|
|
|
|
1549 - Lattice Point | 214 |
54.67%
|
114 |
84.21%
|
|
|
|
1550 - Coin Exchange | 40 |
27.50%
|
19 |
52.63%
|
|
|
|
1551 - Cog-Wheels | 96 |
21.88%
|
17 |
47.06%
|
|
|
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 | 2601 |
29.72%
|
409 |
78.24%
|
|
|
|
1557 - Calendar Game | 170 |
61.76%
|
85 |
85.88%
|
|
|
|
1558 - Number Game | 312 |
29.81%
|
74 |
82.43%
|
|
|
|
1559 - Nim | 264 |
56.82%
|
135 |
82.96%
|
|
|
|
1560 - Extended Lights Out | 677 |
49.48%
|
225 |
88.00%
|
|
|
|
1561 - Cycle Game | 83 |
67.47%
|
38 |
84.21%
|
|
|
|
1562 - Balanced Chemical Equations | 53 |
22.64%
|
21 |
42.86%
|
|
|
|
1563 - SETI | 238 |
40.34%
|
87 |
78.16%
|
|
|
|
1564 - Widget Factory | 598 |
43.81%
|
157 |
91.08%
|
|
|
|
1565 - Stake Your Claim | 26 |
69.23%
|
17 |
58.82%
|
|
|
|
1566 - John | 949 |
73.23%
|
515 |
96.70%
|
|
|
|
1567 - A simple stone game | 193 |
51.81%
|
99 |
81.82%
|
|
|
|
1568 - Domino Puzzle | 47 |
36.17%
|
20 |
65.00%
|
|
|
|
1569 - Multiple | 452 |
25.44%
|
92 |
76.09%
|
|
|
|
1570 - Accelerator | 117 |
0.00%
|
23 |
0.00%
|
|
|
|
1571 - How I Mathematician Wonder What You Are! | 249 |
58.63%
|
108 |
90.74%
|
|
|
|
1572 - Self-Assembly | 4097 |
44.74%
|
701 |
86.02%
|
|
|
|
1573 - Hey, Better Bettor | 163 |
41.10%
|
62 |
58.06%
|
|
|
|
1574 - Surely You Congest | 388 |
30.41%
|
102 |
73.53%
|
|
|
|
1575 - Factors | 1458 |
38.68%
|
231 |
82.25%
|
|
|
|
1576 - Harvard | 128 |
42.19%
|
40 |
47.50%
|
|
|
|
1577 - Low Power | 1284 |
45.79%
|
294 |
80.27%
|
|
|
|
1578 - Map Tiles | 77 |
18.18%
|
23 |
47.83%
|
|
|
|
1579 - Matryoshka | 764 |
54.45%
|
250 |
83.60%
|
|
|
|
1580 - Pirate Chest | 493 |
49.70%
|
150 |
80.00%
|
|
|
|
1581 - Pollution Solution | 306 |
35.29%
|
98 |
71.43%
|
|
|
|
1582 - Up a Tree | 74 |
64.86%
|
32 |
59.38%
|
|
|
|
1583 - Digit Generator | 26837 |
49.07%
|
4592 |
93.88%
|
|
|
|
1584 - Circular Sequence | 18557 |
62.19%
|
3966 |
94.96%
|
|
|
|
1585 - Score | 56432 |
52.70%
|
13823 |
92.23%
|
|
|
|
1586 - Molar mass | 33822 |
52.70%
|
7508 |
92.95%
|
|
|
|
1587 - Box | 25009 |
29.07%
|
2739 |
83.35%
|
|
|
|
1588 - Kickdown | 17692 |
35.86%
|
2256 |
88.92%
|
|
|
|
1589 - Xiangqi | 19742 |
20.08%
|
1644 |
74.09%
|
|
|
|
1590 - IP Networks | 8269 |
35.42%
|
1134 |
87.83%
|
|
|
|
1591 - Data Mining | 2075 |
50.17%
|
413 |
93.70%
|
|
|
|
1592 - Database | 13355 |
37.54%
|
1504 |
88.16%
|
|
|
|
1593 - Alignment of Code | 12781 |
38.06%
|
1684 |
87.41%
|
|
|
|
1594 - Ducci Sequence | 11552 |
60.19%
|
2192 |
94.66%
|
|
|
|
1595 - Symmetry | 11416 |
45.17%
|
1680 |
90.48%
|
|
|
|
1596 - Bug Hunt | 3314 |
48.01%
|
586 |
89.42%
|
|
|
|
1597 - Searching the Web | 5979 |
26.31%
|
555 |
72.97%
|
|
|
|
1598 - Exchange | 2133 |
29.21%
|
288 |
79.51%
|
|
|
|
1599 - Ideal Path | 16271 |
21.60%
|
1232 |
71.43%
|
|
| << Start < Prev 1 Next > End >> | ||
| Display # | Results 1 - 100 of 100 | |