How to approch to this problem

#1

hey please tell me how to approch to this problem using character array

#2

hi @mahroosanwar0901_2642b14836027bbf


Refer this… here I have used string… just replace it with character array… logic remains the same…

#3

Thanks it’s working fine

1 Like
#4

can I ask anothrer question from array , I have already ask but that TA not give response

#5
#6

sure @mahroosanwar0901_2642b14836027bbf
raise a doubt under that particular ques, i will pick ur doubt…

#7

mark as resolve not working from my side for that question

#8

so how to raid doubt from there , i am already in doubt session

#9

well i have raised if you find

#10

oh u have doubt in this ques only??

#11

kartik bhaiya and strind i solved and understand but
que( Form biggest number) well my que is that as i use char array in above question because i have use char array because we dealing with single char. but how can I do ( form biggest num ) if i am dealing with
a number ( more than one char) using charr array

#12

u can use strings in that ques…
refer this -->

#include<iostream>
#include<string>
#include<vector>
#include<algorithm>
using namespace std;

bool myCompare(string X,string Y){
	string XY = X.append(Y);
	string YX = Y.append(X);

	return XY.compare(YX) > 0 ? 1: 0; 
}

int main() {
	int t;
	cin>>t;
	while(t--){
		int n;
		string no;
		cin>>n;
		vector<string> v;
		for(int i=0;i<n;i++){
			cin>>no;
			v.push_back(no);
		}
		sort(v.begin(),v.end(),myCompare);
		for(int i=0;i<n;i++){
			cout<<v[i];
		}
		cout<<endl;
	}
	return 0;
}
#13

ya string part i got it but I want to use char array it that possible?
because that ques. is given in character array challenges and we haven’t learn yet string ( I know that just little bit different ) and vector too so there might be a method ?

#14

i dont think that would be possible, bcoz we have to compare the concated strings as well in comparator function…

#15

okay thanks you can mark it as resloved

1 Like
#16

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