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35 lines
743 B
35 lines
743 B
#include <bits/stdc++.h>
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using namespace std;
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vector<int> f = {1, 2, 3, 4, 5, 5, 5, 6, 6, 7};
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void print() {
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for (int i = 0; i < f.size(); i++) printf("%d ", f[i]);
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puts("");
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}
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int main() {
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//要使用二分，必须先排序
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sort(f.begin(), f.end());
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print();
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cout << lower_bound(f.begin(), f.end(), 5) - f.begin() << endl;
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cout << upper_bound(f.begin(), f.end(), 5) - f.begin() << endl;
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//打印
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print();
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// // 插入值
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// int x = 3;
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// f.insert(lower_bound(f.begin(), f.end(), x), x);
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// //打印
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// print();
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// // 删除值
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// x = 2
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// f.erase(lower_bound(f.begin(), f.end(), x));
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// //打印
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// print();
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return 0;
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} |