入门计划->使用(C++库)ostringstream输出(格式化)

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  std;

 test

    
    
    ostringstream oss;
    
    cout  oss.str  endl;

    oss    endl;
    oss  .  endl;
    oss    endl;

    cout  oss.str  endl;

    oss    
         .  
           endl;

    cout  oss.str  endl;


 main argc,  argv
   
    test;
     ;