62 lines
1.1 KiB
C++
62 lines
1.1 KiB
C++
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//
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// main.cpp
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// Program 1
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//
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// Created by Liyang Zhang 2016 on 6/10/13.
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// Copyright (c) 2013 Liyang Zhang 2016. All rights reserved.
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//
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//precompiler directives:
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#include <iostream>
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#include <iomanip>
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#include <fstream>
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#include <cmath>
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using namespace std;
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int main( )
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{
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// ********************* PROBLEM 1 *********************
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ifstream f1;
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f1.open("nbrs1.dat");
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double data;
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while (f1 >> data) {
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if (data > 25) {
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cout << data << endl;
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}
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}
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cout << endl;
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// ********************* PROBLEM 2 *********************
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double S = 25, R, D, T;
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cout << fixed;
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cout << "Speed (MPH)\tReaction Dist\tBraking Dist\tTotal Dist" << endl;
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do {
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R = S*5200/7200;
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D = 0.06*S*S;
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T = R+D;
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cout << setprecision(1) << S << "\t\t" << R << "\t\t" << D << "\t\t" << T << endl;
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S += 5;
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} while (S <= 90);
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// ********************* PROBLEM 3 *********************
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int Y = 1;
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double amount = 500;
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cout << "Year\tAmount" << endl;
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do {
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amount *= 1.05;
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cout << setprecision(2) << Y << "\t$" << amount << endl;
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Y += 1;
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} while (Y <= 10);
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return 0;
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}
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