Coding is not passing all the test cases

#1

#include
#include
using namespace std;
bool compare(string a , string b){
return a>b;
}
void largeNumber(string s[1000] , int n){
sort(s , s+n , compare);
for(int i=0; i<n; i++){
cout << s[i];
}
}
int main() {
int t;
cin >> t;
while(t–){
string s[1000];
int n;
cin >> n;
for(int i=0; i<n ;i++){
cin >> s[i];
}
largeNumber(s , n);
}
return 0;
}

#2

helo @aasif2364
21 and 2
if u sort in decreasing order then
the number formed will bw 212 but the correct result is 221.
this code is failing for the same case.

u can use sort function to sort tge input in ascending order.if u want to make any chsanges in sorting order then u need to pass comparator.

for this the logic is if a and b are two numbers then u can combine them in two ways either ab or ba right?
which ever combination give us maxium we will consider that order.
so just apply same logic in ur comparator and sort using this comparator

bool cmp(string a,string b){
return a+b > b+a;
}
#3

again all test cases failed

#4

pls savr ur code at cb ide and share its link with me

#6
#7

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