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45 lines (38 loc) · 750 Bytes
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onestar_day1.cpp
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45 lines (38 loc) · 750 Bytes
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// 3 4
// 4 3
// 2 5
// 1 3
// 3 9
// 3 3
// 1 3 - 2
// 2 3 - 1
// 3 3 - 0
// 3 4 - 1
// 3 5 - 2
// 4 9 - 5
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
vector<long int> vizq = {};
vector<long int> vder = {};
int main(){
long int left = 0;
long int right = 0;
long int res = 0;
while(cin >> left >> right){
vizq.push_back(left);
vder.push_back(right);
}
sort(vizq.begin(), vizq.end());
sort(vder.begin(), vder.end());
for(int i = 0; i < vizq.size(); i++){
if(vizq[i] > vder[i]){
res += vizq[i] - vder[i];
} else {
res += vder[i] - vizq[i];
}
}
cout << res << endl;
return 0;
}