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- #include <iostream>
- #include <cstdlib>
- #include <vector>
- void calculate(int n, int k, std::vector<int> &v) {
- if (n == 0) {
- for (auto i : v) {
- std::cout << i << ' ';
- }
- std::cout << '\n';
- return;
- }
- for (int i = 1; i <= std::min(n, k); i++) {
- v.push_back(i);
- calculate(n - i, i, v);
- v.pop_back();
- }
- }
- int32_t main() {
- std::ios::sync_with_stdio(false);
- std::cin.tie(nullptr);
- int n;
- std::cin >> n;
- std::vector<int> v;
- calculate(n, std::min(n, 12), v);
- }
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