Files

85 lines
1.6 KiB
C++

#include <bits/stdc++.h>
using namespace std;
void test_case(int tc){
int n, m, k;
cin >> n >> m >> k;
vector<char> x, y;
for (size_t i = 0; i < n; i++){
char c;
cin >> c;
x.push_back(c);
}
for (size_t i = 0; i < m; i++){
char c;
cin >> c;
y.push_back(c);
}
int k_counter = 0;
string result = "";
// We need to keep track of the last one for optimal placement I think
bool lastChoice = x.front() < y.front();
sort(x.begin(), x.end());
reverse(x.begin(), x.end());
sort(y.begin(), y.end());
reverse(y.begin(), y.end());
while(!x.empty() && !y.empty()){
char cx = x.back(), cy = y.back();
if(lastChoice != (cx < cy)){
k_counter = 0;
}
if(lastChoice == (cx < cy) && k_counter == k){
k_counter = 0;
lastChoice = cx >= cy;
if(cx < cy){
y.pop_back();
result.push_back(cy);
} else {
x.pop_back();
result.push_back(cx);
}
} else {
lastChoice = cx < cy;
if(cx < cy){
x.pop_back();
result.push_back(cx);
} else{
y.pop_back();
result.push_back(cy);
}
}
k_counter++;
}
cout << result << '\n';
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
int t;
cin >> t;
for(int tc = 1; tc <= t; ++tc){
test_case(tc);
}
cout << flush;
return 0;
}