Практикум по программированию. Основы. Циклы. Сумма квадратов чисел
From AsIsWiki
(Difference between revisions)
| (3 intermediate revisions by one user not shown) | |||
| 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(" Сумма квадратов чисел от 1 до N"); |
System.out.println("---------------------------------"); | System.out.println("---------------------------------"); | ||
| − | System.out.print(" Введите N: "); | + | 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); | ||
} | } | ||
} | } | ||
| Line 55: | Line 54: | ||
cout << " Введите N: "; | cout << " Введите N: "; | ||
cin >> n; | cin >> n; | ||
| − | |||
| − | |||
long s = 0; | long s = 0; | ||
| Line 63: | Line 60: | ||
s += i * i; | s += i * i; | ||
} | } | ||
| − | + | ||
| + | cout << "---------------------------------\n"; | ||
printf(" S = %ld\n\n", s); | printf(" S = %ld\n\n", s); | ||
return 0; | 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> | </source> | ||
| Line 80: | Line 97: | ||
<source lang="js"> | <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> | </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>