Problem Set - SAST OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	3456	codeforces#P1252J Tiling Terrace brute force dp *2300	0 / 0	8
	3455	codeforces#P1252K Addition Robot data structures math matrices *2100	0 / 0	7
	3454	codeforces#P1252L Road Construction flows graphs *2300	0 / 0	8
	3453	codeforces#P1253A Single Push implementation *1000	0 / 0	3
	3452	codeforces#P1253B Silly Mistake greedy implementation *1400	0 / 0	4
	3451	codeforces#P1253C Sweets Eating dp greedy math sortings *1500	0 / 0	5
	3450	codeforces#P1253D Harmonious Graph constructive algorithms dfs and similar dsu graphs greedy sortings *1700	0 / 0	5
	3449	codeforces#P1253E Antenna Coverage data structures dp greedy sortings *2200	0 / 0	8
	3448	codeforces#P1253F Cheap Robot binary search dsu graphs shortest paths trees *2500	0 / 0	9
	3447	codeforces#P1254A Feeding Chicken constructive algorithms greedy implementation *1700	0 / 0	5
	3446	codeforces#P1254B1 Send Boxes to Alice (Easy Version) constructive algorithms greedy math number theory ternary search two pointers *1800	0 / 0	6
	3445	codeforces#P1254B2 Send Boxes to Alice (Hard Version) constructive algorithms greedy math number theory ternary search two pointers *2100	0 / 0	7
	3444	codeforces#P1254C Point Ordering constructive algorithms geometry interactive math *2300	0 / 0	8
	3443	codeforces#P1254D Tree Queries data structures probabilities trees *2700	0 / 0	10
	3442	codeforces#P1254E Send Tree to Charlie combinatorics dfs and similar dsu trees *3300	0 / 0	10
	3441	codeforces#P1255A Changing Volume math *800	0 / 0	3
	3440	codeforces#P1255B Fridge Lockers graphs implementation *1100	0 / 0	3
	3439	codeforces#P1255C League of Leesins constructive algorithms implementation *1600	0 / 0	5
	3438	codeforces#P1256A Payment Without Change math *1000	0 / 0	3
	3437	codeforces#P1256B Minimize the Permutation greedy *1400	0 / 0	4
	3436	codeforces#P1256C Platforms Jumping greedy *1700	0 / 0	5
	3435	codeforces#P1256D Binary String Minimizing greedy *1500	0 / 0	5
	3434	codeforces#P1256E Yet Another Division Into Teams dp greedy sortings *2000	0 / 0	7
	3433	codeforces#P1256F Equalizing Two Strings constructive algorithms sortings strings *2000	0 / 0	7
	3432	codeforces#P1257A Two Rival Students greedy math *800	0 / 0	3
	3431	codeforces#P1257B Magic Stick math *1000	0 / 0	3
	3430	codeforces#P1257C Dominated Subarray greedy implementation sortings strings two pointers *1200	0 / 0	4
	3429	codeforces#P1257D Yet Another Monster Killing Problem binary search data structures dp greedy sortings two pointers *1700	0 / 0	5
	3428	codeforces#P1257E The Contest data structures dp greedy *2000	0 / 0	7
	3427	codeforces#P1257F Make Them Similar bitmasks brute force hashing meet-in-the-middle *2400	0 / 0	9
	3426	codeforces#P1257G Divisor Set divide and conquer fft greedy math number theory *2600	0 / 0	10
	3425	codeforces#P1260A Heating math *1000	0 / 0	3
	3424	codeforces#P1260B Obtain Two Zeroes binary search math *1300	0 / 0	4
	3423	codeforces#P1260C Infinite Fence greedy math number theory *1700	0 / 0	5
	3422	codeforces#P1260D A Game with Traps binary search dp greedy sortings *1900	0 / 0	6
	3421	codeforces#P1260E Tournament brute force dp greedy *2400	0 / 0	9
	3420	codeforces#P1260F Colored Tree data structures trees *2700	0 / 0	10
	3419	codeforces#P1261F Xor-Set bitmasks divide and conquer math *3100	0 / 0	10
	3418	codeforces#P1263A Sweet Problem math *1100	0 / 0	3
	3417	codeforces#P1263B PIN Codes greedy implementation *1400	0 / 0	4
	3416	codeforces#P1263C Everyone is a Winner! binary search math meet-in-the-middle number theory *1400	0 / 0	4
	3415	codeforces#P1263D Secret Passwords dfs and similar dsu graphs *1500	0 / 0	5
	3414	codeforces#P1263E Editor data structures implementation *2100	0 / 0	7
	3413	codeforces#P1263F Economic Difficulties data structures dfs and similar dp flows graphs trees *2400	0 / 0	9
	3412	codeforces#P1264A Beautiful Regional Contest greedy implementation *1500	0 / 0	5
	3411	codeforces#P1264B Beautiful Sequence brute force constructive algorithms greedy *1900	0 / 0	6
	3410	codeforces#P1264C Beautiful Mirrors with queries data structures probabilities *2400	0 / 0	9
	3409	codeforces#P1264D1 Beautiful Bracket Sequence (easy version) combinatorics dp probabilities *2600	0 / 0	10
	3408	codeforces#P1264D2 Beautiful Bracket Sequence (hard version) combinatorics probabilities *2900	0 / 0	10
	3407	codeforces#P1264E Beautiful League constructive algorithms flows graph matchings *2700	0 / 0	10
	3406	codeforces#P1264F Beautiful Fibonacci Problem constructive algorithms number theory *3500	0 / 0	10
	3405	codeforces#P1265A Beautiful String constructive algorithms greedy *1000	0 / 0	3
	3404	codeforces#P1265B Beautiful Numbers data structures implementation math two pointers *1300	0 / 0	4
	3403	codeforces#P1265E Beautiful Mirrors data structures dp math probabilities *2100	0 / 0	7
	3402	codeforces#P1266A Competitive Programmer chinese remainder theorem math *1000	0 / 0	3
	3401	codeforces#P1266B Dice Tower constructive algorithms math *1000	0 / 0	3
	3400	codeforces#P1266C Diverse Matrix constructive algorithms greedy math number theory *1400	0 / 0	4
	3399	codeforces#P1266D Decreasing Debts constructive algorithms data structures graphs greedy implementation math two pointers *2000	0 / 0	7
	3398	codeforces#P1266E Spaceship Solitaire data structures greedy implementation *2100	0 / 0	7
	3397	codeforces#P1266F Almost Same Distance dfs and similar graphs *2900	0 / 0	10
	3396	codeforces#P1266G Permutation Concatenation string suffix structures *3300	0 / 0	10
	3395	codeforces#P1266H Red-Blue Graph dp graphs math matrices meet-in-the-middle *3400	0 / 0	10
	3394	codeforces#P1267A __NO_TITLE__	0 / 0	(None)
	3393	codeforces#P1267B Balls of Buma *900	0 / 0	3
	3392	codeforces#P1267C __NO_TITLE__	0 / 0	(None)
	3391	codeforces#P1267D DevOps Best Practices constructive algorithms *2800	0 / 0	10
	3390	codeforces#P1267E Elections greedy *1700	0 / 0	5
	3389	codeforces#P1267F __NO_TITLE__	0 / 0	(None)
	3388	codeforces#P1267G Game Relics math probabilities *3000	0 / 0	10
	3387	codeforces#P1267H Help BerLine constructive algorithms *3200	0 / 0	10
	3386	codeforces#P1267I Intriguing Selection brute force constructive algorithms implementation interactive sortings *2600	0 / 0	10
	3385	codeforces#P1267J Just Arrange the Icons greedy implementation math *1800	0 / 0	6
	3384	codeforces#P1267K Key Storage combinatorics math *2100	0 / 0	7
	3383	codeforces#P1267L Lexicography constructive algorithms strings *1800	0 / 0	6
	3382	codeforces#P1268A Long Beautiful Integer constructive algorithms greedy implementation strings *1700	0 / 0	5
	3381	codeforces#P1268B Domino for Young dp greedy math *2000	0 / 0	7
	3380	codeforces#P1268C K Integers binary search data structures *2300	0 / 0	8
	3379	codeforces#P1268D Invertation in Tournament brute force divide and conquer graphs math *3200	0 / 0	10
	3378	codeforces#P1268E Happy Cactus dp *3400	0 / 0	10
	3377	codeforces#P1269A Equation brute force math *800	0 / 0	3
	3376	codeforces#P1269B Modulo Equality brute force sortings *1500	0 / 0	5
	3375	codeforces#P1270A Card Game games greedy math *800	0 / 0	3
	3374	codeforces#P1270B Interesting Subarray constructive algorithms greedy math *1200	0 / 0	4
	3373	codeforces#P1270C Make Good bitmasks constructive algorithms math *1400	0 / 0	4
	3372	codeforces#P1270D Strange Device constructive algorithms interactive math sortings *1900	0 / 0	6
	3371	codeforces#P1270E Divide Points constructive algorithms geometry math *2300	0 / 0	8
	3370	codeforces#P1270F Awesome Substrings math strings *2600	0 / 0	10
	3369	codeforces#P1270G Subset with Zero Sum constructive algorithms dfs and similar graphs math *2700	0 / 0	10
	3368	codeforces#P1270H Number of Components data structures *3300	0 / 0	10
	3367	codeforces#P1270I Xor on Figures constructive algorithms fft math *3500	0 / 0	10
	3366	codeforces#P1271A Suits brute force greedy math *800	0 / 0	3
	3365	codeforces#P1271B Blocks greedy math *1300	0 / 0	4
	3364	codeforces#P1271C Shawarma Tent brute force geometry greedy implementation *1300	0 / 0	4
	3363	codeforces#P1271D Portals data structures dp greedy implementation sortings *2100	0 / 0	7
	3362	codeforces#P1271E Common Number binary search combinatorics dp math *2100	0 / 0	7
	3361	codeforces#P1271F Divide The Students brute force *2700	0 / 0	10
	3360	codeforces#P1272A Three Friends brute force greedy math sortings *900	0 / 0	3
	3359	codeforces#P1272B Snow Walking Robot constructive algorithms greedy implementation *1200	0 / 0	4
	3358	codeforces#P1272C Yet Another Broken Keyboard combinatorics dp implementation *1200	0 / 0	4
	3357	codeforces#P1272D Remove One Element brute force dp *1500	0 / 0	5

Pick a problem randomly based on the current filter.