Практикум по программированию. Основы. Ввод и вывод. Арифметическая прогрессия 2
From AsIsWiki
(Difference between revisions)
| Line 108: | Line 108: | ||
<source lang="delphi"> | <source lang="delphi"> | ||
| + | </source> | ||
| + | |||
| + | |||
| + | ==JavaScript== | ||
| + | |||
| + | <source lang="js"> | ||
| + | <html lang="ru"> | ||
| + | <head> | ||
| + | <meta charset="UTF-8"> | ||
| + | <script> | ||
| + | function calc() { | ||
| + | var m = Number(document.getElementById("mId").value); | ||
| + | var am = Number(document.getElementById("amId").value); | ||
| + | var n = Number(document.getElementById("nId").value); | ||
| + | var an = Number(document.getElementById("anId").value); | ||
| + | |||
| + | var d = (am - an) / (m - n); | ||
| + | var a1 = an - (n - 1) * d; | ||
| + | var a2 = a1 + d; | ||
| + | var a3 = a2 + d; | ||
| + | var a4 = a3 + d; | ||
| + | var sn = n * (a1 + an) / 2; | ||
| + | var sm = m * (a1 + am) / 2; | ||
| + | |||
| + | document.getElementById("result1Id").innerHTML = | ||
| + | "A1 = " + a1.toFixed(2); | ||
| + | document.getElementById("result2Id").innerHTML = | ||
| + | "A2 = " + a2.toFixed(2); | ||
| + | document.getElementById("result3Id").innerHTML = | ||
| + | "A3 = " + a3.toFixed(2); | ||
| + | document.getElementById("result4Id").innerHTML = | ||
| + | "A4 = " + a4.toFixed(2); | ||
| + | document.getElementById("result5Id").innerHTML = | ||
| + | "S" + m + " = " + sm.toFixed(2); | ||
| + | document.getElementById("result6Id").innerHTML = | ||
| + | "S" + n + " = " + sn.toFixed(2); | ||
| + | } | ||
| + | </script> | ||
| + | </head> | ||
| + | <body> | ||
| + | |||
| + | <p>Арифметическая прогрессия</p> | ||
| + | <hr> | ||
| + | <p>Введите номер Am-члена прогрессии M: <input id="mId" size="5"></p> | ||
| + | <p>Введите M-ный член прогрессии Am: <input id="amId" size="5"></p> | ||
| + | <p>Введите номер An-члена прогрессии N: <input id="nId" size="5"></p> | ||
| + | <p>Введите N-ный член прогрессии An: <input id="anId" size="5"></p> | ||
| + | <hr> | ||
| + | <p id="result1Id"></p> | ||
| + | <p id="result2Id"></p> | ||
| + | <p id="result3Id"></p> | ||
| + | <p id="result4Id"></p> | ||
| + | <p id="result5Id"></p> | ||
| + | <p id="result6Id"></p> | ||
| + | |||
| + | <button onclick="calc()">Рассчитать</button> | ||
| + | |||
| + | </body> | ||
| + | </html> | ||
</source> | </source> | ||
Revision as of 11:11, 13 March 2016
Contents |
Java
import java.util.Scanner;
public class Task10 {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
System.out.println();
System.out.println(" Арифметическая прогрессия ");
System.out.println("---------------------------");
System.out.print(" Введите номер Am-члена прогрессии M: ");
int m = in.nextInt();
System.out.print(" Введите M-ный член прогрессии Am: ");
double am = in.nextDouble();
System.out.print(" Введите номер An-члена прогрессии N: ");
int n = in.nextInt();
System.out.print(" Введите N-ный член прогрессии An: ");
double an = in.nextDouble();
System.out.println("---------------------------");
double d = (am - an) / (m - n);
double a1 = an - (n - 1) * d;
double a2 = a1 + d;
double a3 = a2 + d;
double a4 = a3 + d;
double sn = n * (a1 + an) / 2;
double sm = m * (a1 + am) / 2;
System.out.printf(" A1 = %.2f\n", a1);
System.out.printf(" A2 = %.2f\n", a2);
System.out.printf(" A3 = %.2f\n", a3);
System.out.printf(" A4 = %.2f\n", a4);
System.out.printf(" S%d = %.2f\n", m, sm);
System.out.printf(" S%d = %.2f\n", n, sn);
}
}
C++
// g++ 4.2
#include <iostream>
using namespace std;
int main() {
double am, an;
int m, n;
cout << "\n Арифметическая прогрессия\n";
cout << "---------------------------\n";
cout << " Введите номер Am-члена прогрессии M: ";
cin >> m;
cout << " Введите M-ный член прогрессии Am: ";
cin >> am;
cout << " Введите номер An-члена прогрессии N: ";
cin >> n;
cout << " Введите N-ный член прогрессии An: ";
cin >> an;
cout << "---------------------------\n";
double d = (am - an) / (m - n);
double a1 = an - (n - 1) * d;
double a2 = a1 + d;
double a3 = a2 + d;
double a4 = a3 + d;
double sn = n * (a1 + an) / 2;
double sm = m * (a1 + am) / 2;
printf(" A1 = %.2f\n", a1);
printf(" A2 = %.2f\n", a2);
printf(" A3 = %.2f\n", a3);
printf(" A4 = %.2f\n", a4);
printf(" S%d = %.2f\n", m, sm);
printf(" S%d = %.2f\n\n", n, sn);
return 0;
}
Pascal
JavaScript
<html lang="ru">
<head>
<meta charset="UTF-8">
<script>
function calc() {
var m = Number(document.getElementById("mId").value);
var am = Number(document.getElementById("amId").value);
var n = Number(document.getElementById("nId").value);
var an = Number(document.getElementById("anId").value);
var d = (am - an) / (m - n);
var a1 = an - (n - 1) * d;
var a2 = a1 + d;
var a3 = a2 + d;
var a4 = a3 + d;
var sn = n * (a1 + an) / 2;
var sm = m * (a1 + am) / 2;
document.getElementById("result1Id").innerHTML =
"A1 = " + a1.toFixed(2);
document.getElementById("result2Id").innerHTML =
"A2 = " + a2.toFixed(2);
document.getElementById("result3Id").innerHTML =
"A3 = " + a3.toFixed(2);
document.getElementById("result4Id").innerHTML =
"A4 = " + a4.toFixed(2);
document.getElementById("result5Id").innerHTML =
"S" + m + " = " + sm.toFixed(2);
document.getElementById("result6Id").innerHTML =
"S" + n + " = " + sn.toFixed(2);
}
</script>
</head>
<body>
<p>Арифметическая прогрессия</p>
<hr>
<p>Введите номер Am-члена прогрессии M: <input id="mId" size="5"></p>
<p>Введите M-ный член прогрессии Am: <input id="amId" size="5"></p>
<p>Введите номер An-члена прогрессии N: <input id="nId" size="5"></p>
<p>Введите N-ный член прогрессии An: <input id="anId" size="5"></p>
<hr>
<p id="result1Id"></p>
<p id="result2Id"></p>
<p id="result3Id"></p>
<p id="result4Id"></p>
<p id="result5Id"></p>
<p id="result6Id"></p>
<button onclick="calc()">Рассчитать</button>
</body>
</html>