Problem Set - HFOJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	2984	P1406A Subset Mex greedy implementation math *900	0 / 0	3
	2983	P1406B Maximum Product brute force dp greedy implementation sortings *1200	0 / 0	4
	2982	P1406C Link Cut Centroids constructive algorithms dfs and similar graphs trees *1700	0 / 0	5
	2981	P1406D Three Sequences constructive algorithms data structures greedy math *2200	0 / 0	8
	2980	P1406E Deleting Numbers interactive math number theory *2600	0 / 0	10
	2979	P1407A Ahahahahahahahaha constructive algorithms math *1100	0 / 0	3
	2978	P1407B Big Vova brute force greedy math number theory *1300	0 / 0	4
	2977	P1407C Chocolate Bunny constructive algorithms interactive math two pointers *1600	0 / 0	5
	2976	P1407D Discrete Centrifugal Jumps data structures dp graphs *2200	0 / 0	8
	2975	P1407E Egor in the Republic of Dagestan constructive algorithms dfs and similar dp graphs greedy shortest paths *2500	0 / 0	9
	2974	P1408A Circle Coloring constructive algorithms *800	0 / 0	3
	2973	P1408B Arrays Sum constructive algorithms greedy math *1400	0 / 0	4
	2972	P1408C Discrete Acceleration binary search dp implementation math two pointers *1500	0 / 0	5
	2971	P1408D Searchlights binary search brute force data structures dp implementation sortings two pointers *2000	0 / 0	7
	2970	P1408E Avoid Rainbow Cycles data structures dsu graphs greedy sortings trees *2400	0 / 0	9
	2969	P1408F Two Different constructive algorithms divide and conquer *2300	1 / 2	8
	2968	P1408G Clusterization Counting combinatorics dp dsu fft graphs trees *2700	0 / 0	10
	2967	P1408H Rainbow Triples binary search data structures flows greedy *3300	0 / 0	10
	2966	P1408I Bitwise Magic dp math *3200	0 / 0	10
	2965	P1409A Yet Another Two Integers Problem greedy math *800	0 / 0	3
	2964	P1409B Minimum Product brute force greedy math *1100	0 / 0	3
	2963	P1409C Yet Another Array Restoration brute force math number theory *1200	0 / 0	4
	2962	P1409D Decrease the Sum of Digits greedy math *1500	0 / 0	5
	2961	P1409E Two Platforms binary search dp sortings two pointers *1800	0 / 0	6
	2960	P1409F Subsequences of Length Two dp strings *2100	0 / 0	7
	2959	P1411A In-game Chat implementation *800	0 / 0	3
	2958	P1411B Fair Numbers brute force number theory *1000	0 / 0	3
	2957	P1411C Peaceful Rooks dfs and similar dsu graphs *1700	0 / 0	5
	2956	P1411D Grime Zoo brute force greedy implementation strings *2100	0 / 0	7
	2955	P1411E Poman Numbers bitmasks greedy math strings *2300	0 / 0	8
	2954	P1411F The Thorny Path greedy math *3000	0 / 0	10
	2953	P1411G No Game No Life bitmasks games math matrices *2700	0 / 0	10
	2952	P1413A Finding Sasuke constructive algorithms math *800	0 / 0	3
	2951	P1413B A New Technique implementation *1100	0 / 0	3
	2950	P1413C Perform Easily binary search brute force dp implementation sortings two pointers *1900	0 / 0	6
	2949	P1413D Shurikens data structures greedy implementation *1700	0 / 0	5
	2948	P1413E Solo mid Oracle greedy math ternary search *2100	0 / 0	7
	2947	P1413F Roads and Ramen data structures trees *2800	0 / 0	10
	2946	P1415A Prison Break brute force math *800	0 / 0	3
	2945	P1415B Repainting Street brute force brute force greedy *1100	0 / 0	3
	2944	P1415C Bouncing Ball brute force dp implementation *1400	0 / 0	4
	2943	P1415D XOR-gun bitmasks brute force constructive algorithms *2000	0 / 0	7
	2942	P1415E New Game Plus! constructive algorithms greedy math *2200	0 / 0	8
	2941	P1415F Cakes for Clones dp *2900	0 / 0	10
	2940	P1416A k-Amazing Numbers binary search data structures implementation two pointers *1500	0 / 0	5
	2939	P1416B Make Them Equal constructive algorithms greedy math *2000	0 / 0	7
	2938	P1416C XOR Inverse bitmasks data structures divide and conquer dp greedy math sortings strings trees *2000	0 / 0	7
	2937	P1416D Graph and Queries data structures dsu graphs implementation trees *2600	0 / 0	10
	2936	P1416E Split binary search data structures dp greedy *3200	0 / 0	10
	2935	P1416F Showing Off flows graph matchings greedy implementation *3300	0 / 0	10
	2934	P1417A Copy-paste greedy math *800	0 / 0	3
	2933	P1417B Two Arrays greedy math sortings *1100	0 / 0	3
	2932	P1418A Buying Torches math *1000	0 / 0	3
	2931	P1418B Negative Prefixes greedy sortings *1300	0 / 0	4
	2930	P1418C Mortal Kombat Tower dp graphs greedy shortest paths *1500	0 / 0	5
	2929	P1418D Trash Problem data structures implementation *2100	0 / 0	7
	2928	P1418E Expected Damage binary search combinatorics probabilities *2400	0 / 0	9
	2927	P1418F Equal Product data structures math number theory two pointers *3000	0 / 0	10
	2926	P1418G Three Occurrences data structures divide and conquer hashing two pointers *2500	0 / 0	9
	2925	P1419A Digit Game games greedy implementation *900	0 / 0	3
	2924	P1419B Stairs brute force constructive algorithms greedy implementation math *1200	0 / 0	4
	2923	P1419C Killjoy greedy implementation math *1500	0 / 0	5
	2922	P1419D1 Sage's Birthday (easy version) binary search constructive algorithms greedy sortings *1000	0 / 0	3
	2921	P1419D2 Sage's Birthday (hard version) binary search brute force constructive algorithms greedy sortings two pointers *1500	0 / 0	5
	2920	P1419E Decryption constructive algorithms implementation math number theory *2100	0 / 0	7
	2919	P1419F Rain of Fire binary search data structures dfs and similar dsu graphs implementation *2800	0 / 0	10
	2918	P1420A Cubes Sorting math sortings *900	0 / 0	3
	2917	P1420B Rock and Lever bitmasks math *1200	0 / 0	4
	2916	P1420C1 Pokémon Army (easy version) constructive algorithms dp greedy *1300	0 / 0	4
	2915	P1420C2 Pokémon Army (hard version) data structures divide and conquer dp greedy implementation *2100	0 / 0	7
	2914	P1420D Rescue Nibel! combinatorics data structures sortings *1800	0 / 0	6
	2913	P1420E Battle Lemmings dp greedy *2500	0 / 0	9
	2912	P1421A XORwice bitmasks greedy math *800	0 / 0	3
	2911	P1421B Putting Bricks in the Wall constructive algorithms implementation *1100	0 / 0	3
	2910	P1421C Palindromifier constructive algorithms strings *1400	0 / 0	4
	2909	P1421D Hexagons brute force constructive algorithms greedy implementation math shortest paths *1900	0 / 0	6
	2908	P1421E Swedish Heroes brute force dp implementation *2700	0 / 0	10
	2907	P1422A Fence geometry math *800	0 / 0	3
	2906	P1422B Nice Matrix greedy implementation math *1300	0 / 0	4
	2905	P1422C Bargain combinatorics dp math *1700	0 / 0	5
	2904	P1422D Returning Home graphs shortest paths sortings *2300	1 / 5	8
	2903	P1422E Minlexes dp greedy implementation strings *2700	0 / 0	10
	2902	P1422F Boring Queries data structures math number theory *2700	0 / 0	10
	2901	P1423A Wakanda Forever *3500	0 / 0	10
	2900	P1423B Valuable Paper binary search flows graph matchings graphs *1900	0 / 0	6
	2899	P1423C Dušan's Railway divide and conquer graphs trees *3500	0 / 0	10
	2898	P1423D Does anyone else hate the wind? *3100	0 / 0	10
	2897	P1423E 5G Antenna Towers geometry *2700	0 / 0	10
	2896	P1423F Coins math *2700	0 / 0	10
	2895	P1423G Growing flowers data structures *3500	0 / 0	10
	2894	P1423H Virus data structures divide and conquer dsu graphs *2500	0 / 0	9
	2893	P1423I Lookup Tables bitmasks *3000	0 / 0	10
	2892	P1423J Bubble Cup hypothesis bitmasks constructive algorithms dp math *2400	0 / 0	9
	2891	P1423K Lonely Numbers binary search math number theory two pointers *1600	0 / 0	5
	2890	P1423L Light switches meet-in-the-middle *2600	0 / 0	10
	2889	P1423M Milutin's Plums interactive *2800	0 / 0	10
	2888	P1423N BubbleSquare Tokens *3500	0 / 0	10
	2887	P1424G Years data structures sortings *1300	0 / 0	4
	2886	P1424M Ancient Language graphs sortings *2200	0 / 0	8
	2885	P1425A Arena of Greed games greedy *1400	0 / 0	4

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