Практикум по программированию. Основы. Циклы. Сумма квадратов чисел
From AsIsWiki
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==Java== | ==Java== | ||
− | < | + | <source lang="java"> |
import java.util.Scanner; | import java.util.Scanner; | ||
Line 13: | Line 13: | ||
public static void main(String[] args) { | public static void main(String[] args) { | ||
− | + | ||
Scanner in = new Scanner(System.in); | Scanner in = new Scanner(System.in); | ||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
+ | System.out.println(); | ||
+ | System.out.println(" Сумма квадратов чисел от 1 до N"); | ||
System.out.println("---------------------------------"); | System.out.println("---------------------------------"); | ||
+ | |||
+ | System.out.print(" Введите N: "); | ||
+ | long n = in.nextLong(); | ||
− | + | long s = 0; | |
− | + | for (long i = 1; i <= n; i++) { | |
− | + | s += i * i; | |
− | + | } | |
− | + | System.out.println("---------------------------------"); | |
+ | System.out.printf(" S = %d\n", s); | ||
} | } | ||
} | } | ||
− | </ | + | </source> |
==C++== | ==C++== | ||
− | < | + | <source lang="cpp"> |
− | </ | + | // g++ 4.2 |
+ | |||
+ | #include <iostream> | ||
+ | |||
+ | using namespace std; | ||
+ | |||
+ | int main() { | ||
+ | |||
+ | long n; | ||
+ | |||
+ | cout << "\n Сумма квадратов чисел от 1 до N\n"; | ||
+ | cout << "---------------------------------\n"; | ||
+ | |||
+ | cout << " Введите N: "; | ||
+ | cin >> n; | ||
+ | |||
+ | long s = 0; | ||
+ | |||
+ | for (long i = 1; i <= n; i++) { | ||
+ | s += i * i; | ||
+ | } | ||
+ | |||
+ | cout << "---------------------------------\n"; | ||
+ | printf(" S = %ld\n\n", s); | ||
+ | |||
+ | return 0; | ||
+ | } | ||
+ | </source> | ||
+ | |||
+ | |||
+ | ==Python== | ||
+ | |||
+ | <source lang="cpp"> | ||
+ | # Python 3 | ||
+ | |||
+ | print('\n Сумма квадратов чисел от 1 до N') | ||
+ | print('---------------------------------') | ||
+ | |||
+ | n = int(input(' Введите N: ')) | ||
+ | |||
+ | s = 0 | ||
+ | for i in range(1, n + 1): | ||
+ | s += i * i | ||
+ | |||
+ | print('---------------------------------') | ||
+ | print(' S = %ld' % s) | ||
+ | </source> | ||
==Pascal== | ==Pascal== | ||
− | < | + | <source lang="delphi"> |
− | </ | + | </source> |
+ | |||
+ | |||
+ | ==JavaScript== | ||
+ | |||
+ | <source lang="js"> | ||
+ | <html lang="ru"> | ||
+ | <head> | ||
+ | <meta charset="UTF-8"> | ||
+ | <script> | ||
+ | function calc() { | ||
+ | var n = document.getElementById("nId").value; | ||
+ | |||
+ | var s = 0; | ||
+ | |||
+ | for (var i = 1; i <= n; i++) { | ||
+ | s += i * i; | ||
+ | } | ||
+ | |||
+ | document.getElementById("resultId").innerHTML = "S = " + s; | ||
+ | } | ||
+ | </script> | ||
+ | </head> | ||
+ | <body> | ||
+ | |||
+ | <p>Сумма квадратов чисел от 1 до N</p> | ||
+ | <hr> | ||
+ | <p>Введите N: <input id="nId" size="5"></p> | ||
+ | <hr> | ||
+ | <p id="resultId"></p> | ||
+ | |||
+ | <button onclick="calc()">Рассчитать</button> | ||
+ | |||
+ | </body> | ||
+ | </html> | ||
+ | </source> | ||
Latest revision as of 08:42, 21 November 2017
Contents |
[edit] Java
import java.util.Scanner; public class Task01 { public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.println(); System.out.println(" Сумма квадратов чисел от 1 до N"); System.out.println("---------------------------------"); System.out.print(" Введите N: "); long n = in.nextLong(); long s = 0; for (long i = 1; i <= n; i++) { s += i * i; } System.out.println("---------------------------------"); System.out.printf(" S = %d\n", s); } }
[edit] C++
// g++ 4.2 #include <iostream> using namespace std; int main() { long n; cout << "\n Сумма квадратов чисел от 1 до N\n"; cout << "---------------------------------\n"; cout << " Введите N: "; cin >> n; long s = 0; for (long i = 1; i <= n; i++) { s += i * i; } cout << "---------------------------------\n"; printf(" S = %ld\n\n", s); return 0; }
[edit] Python
# Python 3 print('\n Сумма квадратов чисел от 1 до N') print('---------------------------------') n = int(input(' Введите N: ')) s = 0 for i in range(1, n + 1): s += i * i print('---------------------------------') print(' S = %ld' % s)
[edit] Pascal
[edit] JavaScript
<html lang="ru"> <head> <meta charset="UTF-8"> <script> function calc() { var n = document.getElementById("nId").value; var s = 0; for (var i = 1; i <= n; i++) { s += i * i; } document.getElementById("resultId").innerHTML = "S = " + s; } </script> </head> <body> <p>Сумма квадратов чисел от 1 до N</p> <hr> <p>Введите N: <input id="nId" size="5"></p> <hr> <p id="resultId"></p> <button onclick="calc()">Рассчитать</button> </body> </html>