ID Problem Show tags Hide tags AC / Tried Difficulty
1590 codeforces#P1617E  Christmas Chocolates 0 / 0 10
1588 codeforces#P1618B  Missing Bigram 0 / 0 3
1584 codeforces#P1618F  Reverse 0 / 0 7
1582 codeforces#P1619A  Square String? 0 / 0 3
1581 codeforces#P1619B  Squares and Cubes 0 / 0 3
1580 codeforces#P1619C  Wrong Addition 0 / 0 4
1578 codeforces#P1619E  MEX and Increments 0 / 0 5
1574 codeforces#P1620A  Equal or Not Equal 0 / 0 3
1572 codeforces#P1620C  BA-String 0 / 0 6
1570 codeforces#P1620E  Replace the Numbers 0 / 0 6
1566 codeforces#P1621B  Integers Shop 0 / 0 5
1563 codeforces#P1621E  New School 0 / 0 8
1562 codeforces#P1621F  Strange Instructions 0 / 0 10
1552 codeforces#P1623A  Robot Cleaner 0 / 0 3
1551 codeforces#P1623B  Game on Ranges 0 / 0 3
1549 codeforces#P1623D  Robot Cleaner Revisit 0 / 0 8
1546 codeforces#P1624B  Make AP 0 / 0 3
1543 codeforces#P1624E  Masha-forgetful 0 / 0 7
1537 codeforces#P1625D  Binary Spiders 0 / 0 8
1532 codeforces#P1626C  Monsters And Spells 0 / 0 5
1528 codeforces#P1627A  Not Shading 0 / 0 3
1524 codeforces#P1627E  Not Escaping 0 / 0 8
1523 codeforces#P1627F  Not Splitting 0 / 0 10
1522 codeforces#P1628A  Meximum Array 0 / 0 4
1520 codeforces#P1628C  Grid Xor 0 / 0 8
1505 codeforces#P1632A  ABC 0 / 0 3
1488 codeforces#P1634F  Fibonacci Additions 0 / 0 10
1479 codeforces#P1637C  Andrew and Stones 0 / 0 4
1477 codeforces#P1637E  Best Pair 0 / 0 7
1470 codeforces#P1638D  Big Brush 0 / 0 7
1469 codeforces#P1638E  Colorful Operations 0 / 0 9
1455 codeforces#P1641B  Repetitions Decoding 0 / 0 7
1448 codeforces#P1644A  Doors and Keys 0 / 0 3
1447 codeforces#P1644B  Anti-Fibonacci Permutation 0 / 0 3
1446 codeforces#P1644C  Increase Subarray Sums 0 / 0 4
1445 codeforces#P1644D  Cross Coloring 0 / 0 5
1444 codeforces#P1644E  Expand the Path 0 / 0 6
1439 codeforces#P1646D  Weight the Tree 0 / 0 7
1437 codeforces#P1646F  Playing Around the Table 0 / 0 10
1436 codeforces#P1647A  Madoka and Math Dad 0 / 0 3
1435 codeforces#P1647B  Madoka and the Elegant Gift 0 / 0 4
1428 codeforces#P1648C  Tyler and Strings 0 / 0 6
1427 codeforces#P1648D  Serious Business 0 / 0 10
1426 codeforces#P1648E  Air Reform 0 / 0 10
1424 codeforces#P1649A  Game 0 / 0 3
1423 codeforces#P1649B  Game of Ball Passing 0 / 0 4
1422 codeforces#P1650A  Deletions of Two Adjacent Letters 0 / 0 3
1420 codeforces#P1650C  Weight of the System of Nested Segments 0 / 0 4
1419 codeforces#P1650D  Twist the Permutation 0 / 0 4
1418 codeforces#P1650E  Rescheduling the Exam 0 / 0 6
1417 codeforces#P1650F  Vitaly and Advanced Useless Algorithms 0 / 0 8
1415 codeforces#P1651A  Playoff 0 / 0 3
1413 codeforces#P1651C  Fault-tolerant Network 0 / 0 5
1409 codeforces#P1654A  Maximum Cake Tastiness 0 / 0 3
1407 codeforces#P1654C  Alice and the Cake 0 / 0 4
1390 codeforces#P1657C  Bracket Sequence Deletion 0 / 0 4
1386 codeforces#P1658A  Marin and Photoshoot 0 / 0 3
1381 codeforces#P1658E  Gojou and Matrix Game 0 / 0 9
1379 codeforces#P1659A  Red Versus Blue 0 / 0 3
1377 codeforces#P1659C  Line Empire 0 / 0 5
1376 codeforces#P1659D  Reverse Sort Sum 0 / 0 6
1370 codeforces#P1660D  Maximum Product Strikes Back 0 / 0 5
1369 codeforces#P1660E  Matrix and Shifts 0 / 0 5
1368 codeforces#P1660F1  Promising String (easy version) 0 / 0 5
1367 codeforces#P1660F2  Promising String (hard version) 0 / 0 7
1360 codeforces#P1662A  Organizing SWERC 0 / 0 (None)
1357 codeforces#P1662D  Evolution of Weasels 0 / 0 (None)
1355 codeforces#P1662F  Antennas 0 / 0 (None)
1352 codeforces#P1662I  Ice Cream Shop 0 / 0 (None)
1346 codeforces#P1662O  Circular Maze 0 / 0 (None)
1344 codeforces#P1663B  Mike's Sequence 0 / 0 (None)
1343 codeforces#P1663C  Pōja Verdon 0 / 0 (None)
1341 codeforces#P1663E  Are You Safe? 0 / 0 (None)
1333 codeforces#P1665E  MinimizOR 0 / 0 9
1327 codeforces#P1666F  Fancy Stack 0 / 0 8
1315 codeforces#P1667F  Yin Yang 0 / 0 10
1314 codeforces#P1668A  Direction Change 0 / 0 3
1312 codeforces#P1669A  Division? 0 / 0 3
1311 codeforces#P1669B  Triple 0 / 0 3
1310 codeforces#P1669C  Odd/Even Increments 0 / 0 3
1309 codeforces#P1669D  Colorful Stamp 0 / 0 3
1306 codeforces#P1669G  Fall Down 0 / 0 4
1304 codeforces#P1670A  Prof 0 / 0 3
1303 codeforces#P1670B  Dorms War 0 / 0 3
1302 codeforces#P1670C  Where is the Pizza? 0 / 0 4
1301 codeforces#P1670D  Very Suspicious 0 / 0 5
1298 codeforces#P1671A  String Building 0 / 0 3
1292 codeforces#P1672A  Log Chopping 0 / 0 3
1291 codeforces#P1672B  I love AAAB 0 / 0 3
1290 codeforces#P1672C  Unequal Array 0 / 0 3
1289 codeforces#P1672D  Cyclic Rotation 0 / 0 5
1274 codeforces#P1674C  Infinite Replacement 0 / 0 3
1273 codeforces#P1674D  A-B-C Sort 0 / 0 4
1271 codeforces#P1674F  Desktop Rearrangement 0 / 0 6
1268 codeforces#P1675B  Make It Increasing 0 / 0 3
1267 codeforces#P1675C  Detective Task 0 / 0 3
1266 codeforces#P1675D  Vertical Paths 0 / 0 4
1262 codeforces#P1676A  Lucky? 0 / 0 3
1260 codeforces#P1676C  Most Similar Words 0 / 0 3
1259 codeforces#P1676D  X-Sum 0 / 0 3

Categories

Lucky

Pick a problem randomly based on the current filter.