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- #include <iostream>
- #include <map>
- using namespace std;
- int main()
- {
- int n;
- cin >> n;
- map<int, int> mapa;
- for(int i = 0; i < n; i++) {
- int a, b;
- cin >> a >> b;
- mapa[a]++;
- mapa[b + 1]--;
- }
- int sum = 0, res = 0;
- for(auto it = mapa.begin(); it != mapa.end(); it++) {
- sum += it->second;
- res = max(res, sum);
- }
- cout << res << endl;
- return 0;
- }
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