解题思路:
注意事项:
参考代码:
#include<iostream> #include<list> using namespace std; int main() { list<int> li; int N, M; int a[9999]; cin >> N >> M; for (int i = 0; i < N + M; i++) { int x, y; cin >> x >> y; li.push_back(x); a[x] = y; } li.sort(); for (list<int>::iterator it = li.begin(); it != li.end(); it++) { cout << *it << " " << a[*it] << endl; } return 0; }
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