Can anyone help me with Heights of Students from TCS Mockvita 2018 Contest?
Hello friends can someone tell me how to approach this problem ?@vijju123@taran_1407@vivek_1998299@meooow@john_smith_3@aryanc403@vbt_95
View Articlewhat is wrong with my code?
import java.util.*; class sol{ public static void main(String args[]){ Scanner scanner=new Scanner(System.in); int c=scanner.nextInt(); int f=scanner.nextInt(); int[] x=new int[f]; int[] y=new int[f];...
View ArticleWeak test cases - CHANGNUM
It seems that this problem [hyperlinked] has weak test cases, or has forgotten to add a statement in the problem, that a[i] and b[i] are from 1 to n. The following is the test case which gives the...
View Articlei cant find why my code is not accepted it is giving wrong anwser but it is...
#include <iostream> #include <string.h> #include <ctype.h> using namespace std; int main() { int t; cin>>t; while(t--) { char s[1002]; cin>>s; int l=strlen(s); int...
View Articlespoj subarray problem
I have been trying this subarray problem on spoj for a while and used a segtree in my approach but it is giving tle. It passes all tc given in comments below but gives tle on submission. can someone...
View ArticleWhy I am getting TLE in CHEFCUP problem as the constraints are too small? Can...
Problem link - https://www.codechef.com/problems/CHEFCUPMy solution link - https://www.codechef.com/viewsolution/19354758I have done the solution in O(n) time complexity but still getting TLE instead...
View ArticleDiscuss Hygiene and Editorial Feedback
Hi Codechef community,I have been a part of the discuss forum for quite a while now and have seen that there are a few issues which needs to be addressed soon to maintain the hygiene of this...
View ArticleMGCSET - Editorial
PROBLEM LINK:Div 1Div 2PracticeAuthor:Full nameTester:Full nameEditorialist:Oleksandr KulkovDIFFICULTY:SIMPLEPREREQUISITES:Basic combinatoricsPROBLEM:You have a sequence of integers $a_1,a_2,\dots,a_n$...
View Articlewhy getting wrong answer for transform the expression problem
import java.util.*; class Main{ public static int is_operator(char c) { if(c=='^'||c=='/'||c=='*'||c=='+'||c=='-') return 1; else return 0; } public static int precedence(char a ) { if(a=='^')//...
View ArticleLAPIN - Editorial
Problem Link:PracticeContestDifficulty:CakewalkPre-requisites:ad-hocProblem:Given a string S, if we split it in the middle (if S has an odd number of characters, disregard the middle character), then...
View Articlesorting a single string that is separted by spaces
given string is abc abaa banana ban caba answer should be abc ab ban ban cab i need to sort and delete the duplicates in the string.how can i approach the problem in c++
View ArticleError in CF Round #499 Div2 C (Fly)
Though the editorial mentions a reverse iterative approach to solve the problem with O(N) time complexity, I used binary search to solve the problem. Even after multiple rechecks, I am unable to find...
View Articlewhy this is showing wrong answer
include<stdio.h>int fact(int num) { int r; if(num==1) return 1; return(num*fact(num-1)); } main(){int n,a[200],i; scanf("%d",&n); if(n>0 && n<=100){ for(i=1;i<=n;i++){...
View ArticleDoes CodeChef have any Code Of Conduct?
I am new to CodeChef. I am not sure what can be considered as an improper conduct on this website. I do not want to be penalized for doing something unknowingly which is not the accepted behavior. Is...
View ArticleNMNMX - Editorial
PROBLEM LINK:Div 1Div 2PracticeAuthor:Full nameTester:Full nameEditorialist:Oleksandr KulkovDIFFICULTY:EASYPREREQUISITES:Fermat's little theorem, modular arithmetics, basic combinatoricsPROBLEM:You're...
View ArticleSUMPOWER - Editorial
Problem LinkPracticeContestAuthor:Ivan SafonovTester:Hasan JaddouhEditorialist:Bhuvnesh JainDifficultyEASYPrerequisitesPrefix sums, Sliding WindowProblemYou are given a string $S$ of length $N$ and an...
View ArticleChef and College Loc July 2018
students=int(input()) query=int(input()) li=list() for i in range(0,query): a,b,c=map(int,input().split()) if(a==0): li.append(b) li.append(c) if(a==1): if((b in li)and(c in li)): print("YES") else:...
View ArticleInvitation to CodeChef July Lunchtime 2018!
Hello CodeChef Community!We’re excited to announce the July Lunchtime 2018 sponsored by ShareChat. We hope to see you all join us in these 3 intense hours of coding challenges. Plus there are some...
View ArticleCODECHEF Attendance
CODECHEF Attendance ToolHey There Guys,Hope You all are having a good time. I want to present you another tool which can show you your attendance in CodeChef.This is especially useful for those who...
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