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IOPC 15 I : approach to solve

No, I am not asking for the specific question's answer. I am asking for ways to learn how to crack such problems. I know, it's a deal of practice but the real question is where? Where do I attain algorithmic thinking? The question is simple, and three fold:
1. Where can I learn how to take fast inputs?
2. Where do I get practice questions such as these?
3. Why are my solutions getting WA while other solutions implementing same logic pass through?
I know it's a generic question but it really irritates me when implementation supersedes logic in answering a question.
Thanks in advance. Sorry if anyone is offended.

asked 16 Mar '15, 01:51

s1x13's gravatar image

accept rate: 0%

1) This question did not need any such fast inputs

2) This question was very similar to :

3) How are people supposed to tell you the reason why you keep getting WAs without even showing us your code or telling the approach you took to solve the problem ?


answered 16 Mar '15, 03:52

anuj95's gravatar image

accept rate: 12%

edited 16 Mar '15, 03:52

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question asked: 16 Mar '15, 01:51

question was seen: 614 times

last updated: 16 Mar '15, 03:52