#include <iostream>
#include <vector>
#include <sstream>
#include <string>
using namespace std;
vector<int> split_sqrt(string line) {
string number;
stringstream ss(line);
vector<int> vec;
while (getline(ss, number, ',')) {
int n = stoi(number);
vec.emplace_back(n*n);
}
return vec;
}
int main() {
split_sqrt("2,4,6,9,11");
return 0;
}
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