Indian Institute of Information Technology (IIIT) Kottayam 2025
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BEST solution in c++
Interview problems
``````#include <bits/stdc++.h>
vector<int> reverse(vector<int>v){
int s=0;
int e=v.size()-1;
while(s<e){
swap(v[s++],v[e--]);
}
return v;
}
vector<int> findArraySum(vector<int>&a, int n, vector<int>&b, int m) {
vector<int> ans;
int i=n-1;
int j=m-1;
int carry=0;
while(i>=0 && j>=0){
int val1=a[i];
int val2=b[j];
int sum=val1+val2+carry;
carry=sum/10;
sum=sum%10;
ans.push_back(sum);
i--;
j--;
}
while(i>=0 ){
int  sum=a[i]+carry;
carry=sum/10;
sum=sum%10;
ans.push_back(sum);
i--;
}
while(j>=0 ){
int  sum=b[j]+carry;
carry=sum/10;
sum=sum%10;
ans.push_back(sum);
j--;
}
while(carry!=0 ){
int sum=carry;
carry=sum/10;
sum=sum%10;
ans.push_back(sum);
}
return reverse(ans);

}``````
ARVIND KUMAR
Published On 13-Dec-2022
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