有两个string变量,m和n:
#include <string>
string m = "0100700\0"
cout << m.size() << endl; // it prints: 7
string n;
n += "0100700"
n += '\0';
cout << n.size() << endl; // it prints: 8
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我猜两个都有8个字符,但m只有7个字符,n有8个字符.为什么会这样?