ntopia가 해결한 문제

#	제목	푼 사람 수	평균 시도
15656	N과 M (7) STANDARD	14,550	1.27
15657	N과 M (8) STANDARD	18,524	1.23
15663	N과 M (9) STANDARD	16,067	2.03
15723	n단 논법	997	1.69
2075	N번째 큰 수	9,785	2.56
2693	N번째 큰 수	10,514	1.32
9594	Odd and Even Zeroes	21	1.05
12771	Oil	229	4.07
13383	Oil	14	2.29
13469	Older Brother	88	1.80
11419	Olympic Parade	30	1.70
9639	Omar Loves Candies	29	2.66
9642	Omar’s Bug	16	1.38
11308	One-Way Roads	35	1.91
10263	Opening Ceremony	328	3.13
13375	Organization	5	1.80
7155	Overlapping Maps	10	1.30
5903	Overplanting	80	1.48
14789	Oversized Pancake Flipper (Large)	155	1.40
14788	Oversized Pancake Flipper (Small)	150	1.46
8958	OX퀴즈	94,472	1.96
10057	Pachinko	12	1.50
6353	Packets	14	1.50
4437	Painted Cube	3	3.67
10365	Pantun Grader	9	3.56
5991	Papaya Jungle	44	1.39
11069	Particle	28	8.71
10264	Particle Swapping	39	2.33
13211	Passport Checking	132	1.69
9355	Passwords	5	3.40
11499	Path	51	5.08
5975	Pathfinding	58	2.24
7021	Patisserie ACM	2	1.50
9080	PC방 요금	153	3.76
3842	Peer Review	8	2.50
11195	Peragrams	78	1.29
9492	Perfect Shuffle	235	1.29
13748	Periodic Strings	31	1.45
11626	Physical Music	29	2.00
8885	Pirate Chest	50	5.00
12781	PIZZA ALVOLOC	1,099	2.88
14754	Pizza Boxes	805	2.18
10280	Pizza voting	103	2.15
11463	Plankton Food	4	1.00
1276	PLATFORME	236	2.30
10535	Playing with Geometry	14	1.57
7824	Playing With Stones	12	1.83
13861	Pokemons	20	2.65
5435	Polly Wants a Cracker	7	1.29
10628	Polygon Guards	3	7.67

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