33 lines
645 B
C++
33 lines
645 B
C++
#include <iostream>
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#include <vector>
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#include <algorithm>
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#include <cmath>
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using namespace std;
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int main() {
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ios::sync_with_stdio(false);
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cin.tie(nullptr);
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int nums_amount;
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cin >> nums_amount;
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vector<string> nums(nums_amount);
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for (int i = 0; i < nums_amount; i++) {
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cin >> nums[i];
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}
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sort(nums.begin(), nums.end(), [](const string& a, const string& b) {
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return a + b < b + a;
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});
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for (int i = nums_amount - 1; i >= 0; i--) {
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cout << nums[i];
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}
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cout << " ";
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for (int i = 0; i < nums_amount; i++) {
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cout << nums[i];
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}
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cout << endl;
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return 0;
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}
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