【C++】1.Hello World

//
//  main.cpp
//  2_1
//
//  Created by T.P on 2018/2/28.
//  Copyright ? 2018年 T.P. All rights reserved.
//

#include <iostream>
#include <iomanip>
using namespace std;

int main() {
    cout<<"Hello!"<<endl;
    cout<<"Welcome to C++!"<<endl;
    cout<<setw(10)<<setprecision(3)<<3.1415<<endl;
    
    int score=61;
    cout<<(score>=60? "pass":"fail")<<endl
    <<endl;
    
    return 0;
}