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Shortened code for Merge Two Sorted Lists II #81

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Shortened code for Merge Two Sorted Lists II #81

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57 changes: 34 additions & 23 deletions Two-Pointers/MergeTwoSortedListsII.cpp
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Original file line number Diff line number Diff line change
@@ -1,31 +1,42 @@
// https://www.interviewbit.com/problems/merge-two-sorted-lists-ii/
// // https://www.interviewbit.com/problems/merge-two-sorted-lists-ii/

bool checkGreater(int A, int B){
if(A > B){
return true;
}
return false;
}
// bool checkGreater(int A, int B){
// if(A > B){
// return true;
// }
// return false;
// }

// void Solution::merge(vector<int> &A, vector<int> &B) {
// // Do not write main() function.
// // Do not read input, instead use the arguments to the function.
// // Do not print the output, instead return values as specified
// // Still have a doubt. Checkout www.interviewbit.com/pages/sample_codes/ for more details
// int i = 0, j = 0;
// while((i < A.size()) && (j < B.size())){
// bool a = checkGreater(A[i], B[j]);
// if(a){
// A.insert(A.begin()+i, B[j]);
// i++;
// j++;
// }
// else{
// i++;
// }
// }
// while(j != B.size()){
// A.push_back(B[j]);
// j++;
// }
// }
void Solution::merge(vector<int> &A, vector<int> &B) {
// Do not write main() function.
// Do not read input, instead use the arguments to the function.
// Do not print the output, instead return values as specified
// Still have a doubt. Checkout www.interviewbit.com/pages/sample_codes/ for more details
int i = 0, j = 0;
while((i < A.size()) && (j < B.size())){
bool a = checkGreater(A[i], B[j]);
if(a){
A.insert(A.begin()+i, B[j]);
i++;
j++;
}
else{
i++;
}
}
while(j != B.size()){
A.push_back(B[j]);
j++;
}

for(int i=0;i<B.size();i++){
A.push_back(B[i]);
}
sort(A.begin(),A.end());
}