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Code code:"if (foo != bar)"
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When the code scales so poorly in the face of large inputs that it cannot complete in a reasonable amount of time, use this instead of the [performance] tag.

2 votes
3 answers
194 views

Calculating number of variations

I was practicing for the upcoming zco in CodeChef, where I came across this problem: Given some number \$K\$ and a list of \$N\$ numbers, count the number of pairs (\$i\$, \$j\$) such that \$1 \le …
hellozee's user avatar
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1 vote
2 answers
128 views

Code for calculating number of variations

Following up from my previous question where I put up a solution in brute for algorithm to this problem from codechef. Given some number \$K\$ and a list of \$N\$ numbers, count the number of pair …
hellozee's user avatar
  • 389
0 votes
1 answer
109 views

Recovering permutation from its image sequence

Recently while practicing I came across this problem , here is an excerpt from it, A permutation of the numbers 1, ..., N is a rearrangment of these numbers. For example 2 4 5 1 7 6 3 …
hellozee's user avatar
  • 389
7 votes
4 answers
1k views

Code for calculating citizens beheaded

Recently I came across this problem , A despotic king decided that his kingdom needed to be rid of corruption and disparity. He called his prime minister and ordered that all corrupt citizens …
hellozee's user avatar
  • 389
3 votes
2 answers
500 views

Code for calculating the books dispatched

Recently I came across this, here is an excerpt from it, This is another problem about Indraneel's library. His library has one long shelf. His books are numbered and he identifies the books by …
hellozee's user avatar
  • 389
1 vote
3 answers
1k views

Code for calculating best possible combination in an array

The problem here , requires me to find the best possible combination of values in an array which is nearest to 0 and are adjacent to each other , here is an little excerpt from it, The government …
hellozee's user avatar
  • 389
3 votes
1 answer
530 views

Code for dividing gifts equally

I recently came across this problem: It is Lavanya's birthday and several families have been invited for the birthday party. As is customary, all of them have brought gifts for Lavanya as well …
hellozee's user avatar
  • 389
8 votes
5 answers
3k views

Counting pairs of integers whose sum is less than a given threshold

Recently I was going through this codechef problem while practicing for the upcoming zoc. The problem asks to calculate number of combinations of the given numbers where the sum is less than another …
hellozee's user avatar
  • 389
1 vote
3 answers
90 views

Finding the nth machine encountered on the journey

Recently I came across this problem in the IARCS server,here is an little excerpt from it, A well-known bandit who used to haunt the forests around Siruseri was eliminated by the policemen a few …
hellozee's user avatar
  • 389
4 votes
1 answer
1k views

Finding the max cost from the minimum cost incurred on travelling

This problem is from INOI 2014 , where I have find out the maximum cost of traveling through the cities but taking the minimum possible route cost , here is an excerpt from it, Indian National Olympi …
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  • 389