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5.cpp
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54 lines (48 loc) Β· 1.51 KB
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#include <bits/stdc++.h>
using namespace std;
// μ΄μ§ νμ μμ€μ½λ ꡬν(λ°λ³΅λ¬Έ)
int binarySearch(vector<int>& arr, int target, int start, int end) {
while (start <= end) {
int mid = (start + end) / 2;
// μ°Ύμ κ²½μ° μ€κ°μ μΈλ±μ€ λ°ν
if (arr[mid] == target) return mid;
// μ€κ°μ μ κ°λ³΄λ€ μ°Ύκ³ μ νλ κ°μ΄ μμ κ²½μ° μΌμͺ½ νμΈ
else if (arr[mid] > target) end = mid - 1;
// μ€κ°μ μ κ°λ³΄λ€ μ°Ύκ³ μ νλ κ°μ΄ ν° κ²½μ° μ€λ₯Έμͺ½ νμΈ
else start = mid + 1;
}
return -1;
}
// N(κ°κ²μ λΆν κ°μ)μ M(μλμ΄ νμΈ μμ²ν λΆν κ°μ)
int n, m;
// κ°κ²μ μλ μ 체 λΆν λ²νΈλ€
vector<int> arr;
// μλμ΄ νμΈ μμ²ν λΆν λ²νΈλ€
vector<int> targets;
int main(void) {
cin >> n;
for (int i = 0; i < n; i++) {
int x;
cin >> x;
arr.push_back(x);
}
// μ΄μ§ νμμ μννκΈ° μν΄ μ¬μ μ μ λ ¬ μν
sort(arr.begin(), arr.end());
cin >> m;
for (int i = 0; i < m; i++) {
int target;
cin >> target;
targets.push_back(target);
}
// μλμ΄ νμΈ μμ²ν λΆν λ²νΈλ₯Ό νλμ© νμΈ
for (int i = 0; i < m; i++) {
// ν΄λΉ λΆνμ΄ μ‘΄μ¬νλμ§ νμΈ
int result = binarySearch(arr, targets[i], 0, n - 1);
if (result != -1) {
cout << "yes" << ' ';
}
else {
cout << "no" << ' ';
}
}
}