https://mirror.codeforces.com/contest/1101/submission/48260797 This solution is accepted. But this gives wrong answer on below testcase: 3 1601 1601 1601 1 2 2 3 the actual answer should be 3. But this solution gives 1. Please check this issue.

1. http://mirror.codeforces.com/contest/1023/submission/41721425
2. http://mirror.codeforces.com/contest/1023/submission/41707260 both the solution is accepted but they are giving completely different answer for test case: 6 4(n=6,q=4) 4 4 3 3 4 4. the right answer is "NO",but the first submission is printing "YES".please check this issue.