constructive algorithms - Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	3771	P1280F Intergalactic Sliding Puzzle combinatorics constructive algorithms math *3400	0 / 0	10
	3760	P1282D Enchanted Artifact constructive algorithms interactive strings *2300	0 / 0	8
	3757	P1282E The Cake Is a Lie constructive algorithms data structures dfs and similar graphs *2400	0 / 0	9
	3752	P1283C Friends and Gifts constructive algorithms data structures math *1500	0 / 0	5
	3747	P1283F DIY Garland constructive algorithms greedy trees *2200	0 / 0	8
	3729	P1285E Delete a Segment brute force constructive algorithms data structures dp graphs sortings trees two pointers *2300	0 / 0	8
	3723	P1286B Numbers on Tree constructive algorithms data structures dfs and similar graphs greedy trees *1800	0 / 0	6
	3722	P1286C1 Madhouse (Easy version) brute force constructive algorithms interactive math *2400	0 / 0	9
	3719	P1286C2 Madhouse (Hard version) brute force constructive algorithms hashing interactive math *2800	0 / 0	10
	3714	P1286F Harry The Potter brute force constructive algorithms dp fft implementation math *3100	0 / 0	10
	3701	P1288F Red-Blue Graph constructive algorithms flows *2900	0 / 0	10
	3697	P1290B Irreducible Anagrams binary search constructive algorithms data structures strings two pointers *1800	0 / 0	6
	3693	P1290D Coffee Varieties (hard version) constructive algorithms graphs interactive *3000	0 / 0	10
	3681	P1292B Aroma's Search brute force constructive algorithms geometry greedy implementation *1700	0 / 0	5
	3678	P1292E Rin and The Unknown Flower constructive algorithms greedy interactive math *3500	0 / 0	10
	3646	P1296E1 String Coloring (easy version) constructive algorithms dp graphs greedy sortings *1800	0 / 0	6
	3642	P1296F Berland Beauty constructive algorithms dfs and similar greedy sortings trees *2100	0 / 0	7
	3610	P1301D Time to Run constructive algorithms graphs implementation *2000	0 / 0	7
	3606	P1302B DAG constructive algorithms	0 / 0	(None)
	3589	P1304B Longest Palindrome brute force constructive algorithms greedy implementation strings *1100	0 / 0	3
	3587	P1304D Shortest and Longest LIS constructive algorithms graphs greedy two pointers *1800	0 / 0	6
	3583	P1305A Kuroni and the Gifts brute force constructive algorithms greedy sortings *800	0 / 0	3
	3582	P1305B Kuroni and Simple Strings constructive algorithms greedy strings two pointers *1200	0 / 0	4
	3580	P1305D Kuroni and the Celebration constructive algorithms dfs and similar interactive trees *1900	0 / 0	6
	3579	P1305E Kuroni and the Score Distribution constructive algorithms greedy implementation math *2200	0 / 0	8
	3547	P1311E Construct the Binary Tree brute force constructive algorithms trees *2200	0 / 0	8
	3541	P1312B Bogosort constructive algorithms sortings *1000	0 / 0	3
	3534	P1313B Different Rules constructive algorithms greedy implementation math *1700	0 / 0	5
	3521	P1316B String Modification brute force constructive algorithms implementation sortings strings *1400	0 / 1	4
	3519	P1316C Primitive Primes constructive algorithms math ternary search *1800	0 / 0	6
	3518	P1316D Nash Matrix constructive algorithms dfs and similar graphs implementation *2000	0 / 1	7
	3498	P1321C Remove Adjacent brute force constructive algorithms greedy strings *1600	0 / 0	5
	3496	P1322B Present binary search bitmasks constructive algorithms data structures math sortings *2100	0 / 0	7
	3475	P1325A EhAb AnD gCd constructive algorithms greedy number theory *800	0 / 0	3
	3473	P1325C Ehab and Path-etic MEXs constructive algorithms dfs and similar greedy trees *1500	0 / 0	5
	3471	P1325D Ehab the Xorcist bitmasks constructive algorithms greedy number theory *1700	0 / 0	5
	3467	P1325F Ehab's Last Theorem constructive algorithms dfs and similar graphs greedy *2500	0 / 0	9
	3466	P1326A Bad Ugly Numbers constructive algorithms number theory *1000	0 / 0	3
	3448	P1327C Game with Chips constructive algorithms implementation *1600	0 / 0	5
	3436	P1328D Carousel constructive algorithms dp graphs greedy math *1800	0 / 0	6
	3429	P1329A Dreamoon Likes Coloring constructive algorithms greedy implementation math *1800	0 / 0	6
	3425	P1329C Drazil Likes Heap constructive algorithms data structures greedy implementation *2400	0 / 0	9
	3423	P1329D Dreamoon Likes Strings constructive algorithms data structures *3100	0 / 0	10
	3398	P1332B Composite Coloring brute force constructive algorithms greedy math number theory *1400	0 / 0	4
	3395	P1332D Walk on Matrix bitmasks constructive algorithms math *1700	0 / 0	5
	3394	P1332E Height All the Same combinatorics constructive algorithms math matrices *2100	0 / 0	7
	3390	P1333A Little Artem constructive algorithms *1000	0 / 0	3
	3384	P1333D Challenges in school №41 brute force constructive algorithms games graphs greedy implementation sortings *2100	0 / 0	7
	3383	P1333E Road to 1600 brute force constructive algorithms *2400	0 / 0	9
	3379	P1334C Circle of Monsters brute force constructive algorithms greedy math *1600	0 / 0	5
	3377	P1334D Minimum Euler Cycle constructive algorithms graphs greedy implementation *1800	0 / 0	6
	3371	P1335B Construct the String constructive algorithms *900	0 / 0	3
	3367	P1335D Anti-Sudoku constructive algorithms implementation *1300	0 / 0	4
	3358	P1336D Yui and Mahjong Set constructive algorithms interactive *3200	0 / 0	10
	3354	P1337A Ichihime and Triangle constructive algorithms math *800	0 / 0	3
	3351	P1338B Edge Weight Assignment bitmasks constructive algorithms dfs and similar greedy math trees *1800	0 / 0	6
	3350	P1338C Perfect Triples bitmasks brute force constructive algorithms divide and conquer math *2200	0 / 0	8
	3349	P1338D Nested Rubber Bands constructive algorithms dfs and similar dp math trees *2700	0 / 0	10
	3346	P1339B Sorted Adjacent Differences constructive algorithms sortings *1200	0 / 0	4
	3342	P1340D Nastya and Time Machine constructive algorithms dfs and similar graphs trees *2600	0 / 0	10
	3336	P1342B Binary Period constructive algorithms strings *1100	0 / 0	3
	3334	P1342D Multiple Testcases binary search constructive algorithms data structures greedy sortings two pointers *1900	0 / 0	6
	3330	P1343B Balanced Array constructive algorithms math *800	0 / 0	3
	3326	P1343F Restore the Permutation by Sorted Segments brute force constructive algorithms data structures greedy implementation *2400	0 / 0	9
	3324	P1344B Monopole Magnets constructive algorithms dfs and similar dsu graphs *2000	0 / 0	7
	3307	P1348B Phoenix and Beauty constructive algorithms data structures greedy sortings *1400	0 / 0	4
	3306	P1348C Phoenix and Distribution constructive algorithms greedy sortings strings *1600	0 / 0	5
	3305	P1348D Phoenix and Science binary search constructive algorithms greedy implementation math *1900	0 / 0	6
	3301	P1349B Orac and Medians constructive algorithms greedy math *2000	0 / 0	7
	3298	P1349E Slime and Hats constructive algorithms dp greedy *3500	0 / 0	10
	3289	P1352B Same Parity Summands constructive algorithms math *1200	0 / 0	4
	3285	P1352F Binary String Reconstruction constructive algorithms dfs and similar math *1500	0 / 0	5
	3284	P1352G Special Permutation constructive algorithms *1600	0 / 0	5
	3283	P1353A Most Unstable Array constructive algorithms greedy math *800	0 / 0	3
	3280	P1353D Constructing the Array constructive algorithms data structures sortings *1600	0 / 0	5
	3271	P1354F Summoning Minions constructive algorithms dp flows graph matchings greedy sortings *2500	0 / 0	9
	3266	P1355D Game With Array constructive algorithms math *1400	0 / 0	4
	3264	P1355F Guess Divisors Count constructive algorithms interactive number theory *2600	0 / 0	10
	3231	P1358E Are You Fired? constructive algorithms data structures greedy implementation *2400	0 / 0	9
	3230	P1358F Tasty Cookie binary search constructive algorithms greedy implementation *2700	0 / 0	10
	3221	P1360C Similar Pairs constructive algorithms graph matchings greedy sortings *1100	0 / 0	3
	3218	P1360F Spy-string bitmasks brute force constructive algorithms dp hashing strings *1700	0 / 0	5
	3217	P1360G A/B Matrix constructive algorithms greedy math *1900	0 / 0	6
	3216	P1360H Binary Median binary search bitmasks brute force constructive algorithms *2100	0 / 0	7
	3215	P1361A Johnny and Contribution constructive algorithms graphs greedy sortings *1700	0 / 0	5
	3213	P1361C Johnny and Megan's Necklace binary search bitmasks constructive algorithms dfs and similar dsu graphs *2500	0 / 0	9
	3198	P1364C Ehab and Prefix MEXs brute force constructive algorithms greedy *1600	0 / 0	5
	3197	P1364D Ehab's Last Corollary constructive algorithms dfs and similar graphs greedy implementation trees *2100	1 / 1	7
	3196	P1364E X-OR bitmasks constructive algorithms divide and conquer interactive probabilities *2700	0 / 0	10
	3194	P1365B Trouble Sort constructive algorithms implementation *1300	0 / 0	4
	3193	P1365C Rotation Matching constructive algorithms data structures greedy implementation *1400	0 / 0	4
	3192	P1365D Solve The Maze constructive algorithms dfs and similar dsu graphs greedy implementation shortest paths *1700	0 / 0	5
	3191	P1365E Maximum Subsequence Value brute force constructive algorithms *1900	0 / 0	6
	3190	P1365F Swaps Again constructive algorithms implementation sortings *2100	0 / 0	7
	3189	P1365G Secure Password bitmasks combinatorics constructive algorithms interactive math *2800	0 / 0	10
	3185	P1366D Two Divisors constructive algorithms math number theory *2000	0 / 0	7
	3184	P1366E Two Arrays binary search brute force combinatorics constructive algorithms dp two pointers *2100	0 / 0	7
	3179	P1367C Social Distance constructive algorithms greedy math *1300	0 / 0	4
	3178	P1367D Task On The Board constructive algorithms greedy implementation sortings *1800	0 / 0	6
	3173	P1368B Codeforces Subsequences brute force constructive algorithms greedy math strings *1500	0 / 0	5

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