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30 lines
868 B
C++
30 lines
868 B
C++
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/**
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* File: built_in_hash.cpp
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* Created Time: 2023-06-21
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* Author: krahets (krahets@163.com)
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*/
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#include "../utils/common.hpp"
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/* Driver Code */
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int main() {
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int num = 3;
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size_t hashNum = hash<int>()(num);
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cout << "整數 " << num << " 的雜湊值為 " << hashNum << "\n";
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bool bol = true;
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size_t hashBol = hash<bool>()(bol);
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cout << "布林量 " << bol << " 的雜湊值為 " << hashBol << "\n";
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double dec = 3.14159;
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size_t hashDec = hash<double>()(dec);
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cout << "小數 " << dec << " 的雜湊值為 " << hashDec << "\n";
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string str = "Hello 演算法";
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size_t hashStr = hash<string>()(str);
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cout << "字串 " << str << " 的雜湊值為 " << hashStr << "\n";
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// 在 C++ 中，內建 std:hash() 僅提供基本資料型別的雜湊值計算
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// 陣列、物件的雜湊值計算需要自行實現
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}
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