제출 #441501

#제출 시각아이디문제언어결과실행 시간메모리
441501elazarkorenExam (eJOI20_exam)C++17
0 / 100
7 ms588 KiB
#include <iostream> #include <vector> #include <algorithm> #include <stack> #include <set> #define x first #define y second //#define int long long using namespace std; typedef vector<int> vi; typedef vector<vi> vvi; typedef pair<int, int> pii; typedef vector<pii> vii; const int MAX_N = 1e5 + 1; int a[MAX_N], b[MAX_N]; int main() { int n; cin >> n; set<int> visited; for (int i = 0; i < n; i++) { cin >> a[i]; visited.insert(a[i]); } int ans = 0; for (int i = 0; i < n; i++) { cin >> b[i]; if (visited.find(b[i]) != visited.end() && b[i] >= a[i]) ans++; } // int ans = a[0] == b[0]; // for (int i = 1; i < n; i++) { // int count = a[i] == b[i]; // int best_count = a[i] == b[i], ind = i; // for (int j = i - 1; j >= 0; j--) { // if (a[j] == b[j]) count--; // if (a[i] == b[j]) count++; // if (count > best_count) { // best_count = count; // ind = j; // } // } // for (int j = i - 1; j >= ind; j--) a[j] = a[i]; // ans += best_count; // } cout << ans; }
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