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#include <iostream> #include <string> using namespace std; int main() { string s1 ; s1 = "1234567890"; for(int i=0; i<s1.length(); i++) cout<<s1[i]<<" "; cout<<endl; s1[5] = ‘5‘; cout<<s1<<endl; return 0; }
输出123455789
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原文地址:http://www.cnblogs.com/flywolf601/p/5877172.html