C++常用函数备忘

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输入输出重定向

freopen("inputFilePath", "r", stdin);

freopen("outputFilePath", "w", stdout);

getline(cin, line);

cout << line << endl;

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截断读取流

getline(cin, word, '|');

待续

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编译 .cpp 文件

g++ src.cpp -o obj

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退出 root 用户模式

exit

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