Практикум по программированию. Основы. Циклы. Простые числа
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==Java== | ==Java== | ||
| − | < | + | <source lang="java"> |
import java.util.Scanner; | import java.util.Scanner; | ||
| Line 14: | Line 14: | ||
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(" Поиск простых чисел "); | + | System.out.println(" Поиск простых чисел"); |
System.out.println("---------------------"); | System.out.println("---------------------"); | ||
| − | System.out.print(" Введите число: "); | + | System.out.print(" Введите число: "); |
| − | + | long n = in.nextLong(); | |
| + | |||
| + | long i = 2; | ||
| + | |||
| + | while ((i <= n / 2) && (n % i != 0)) { | ||
| + | i++; | ||
| + | } | ||
| + | |||
| + | String no = i <= n / 2 ? "не " : ""; | ||
System.out.println("---------------------"); | System.out.println("---------------------"); | ||
| + | System.out.printf(" Число %d - %sпростое\n", n, no); | ||
| + | } | ||
| + | } | ||
| + | </source> | ||
| − | |||
| − | |||
| − | |||
| − | + | ==C++== | |
| − | + | ||
| − | + | ||
| − | + | <source lang="cpp"> | |
| − | + | // g++ 4.2 | |
| − | + | ||
| − | + | #include <iostream> | |
| + | |||
| + | using namespace std; | ||
| + | |||
| + | int main() { | ||
| + | |||
| + | long n; | ||
| + | |||
| + | cout << "\n Поиск простых чисел\n"; | ||
| + | cout << "---------------------\n"; | ||
| + | |||
| + | cout << " Введите число: "; | ||
| + | cin >> n; | ||
| + | |||
| + | long i = 2; | ||
| + | |||
| + | while ((i <= n / 2) && (n % i != 0)) { | ||
| + | i++; | ||
} | } | ||
| + | |||
| + | string no = i <= n / 2 ? "не " : ""; | ||
| + | |||
| + | cout << "---------------------\n"; | ||
| + | printf(" Число %ld - %sпростое\n\n", n, no.data()); | ||
| + | |||
| + | return 0; | ||
} | } | ||
| − | </ | + | </source> |
| − | == | + | ==Python== |
| − | < | + | <source lang="cpp"> |
| − | + | # Python 3 | |
| + | print('\n Поиск простых чисел') | ||
| + | print('---------------------') | ||
| + | |||
| + | n = int(input(' Введите число: ')) | ||
| + | |||
| + | i = 2 | ||
| + | while (i <= n / 2) and (n % i != 0): | ||
| + | i += 1 | ||
| + | |||
| + | no = "не " if i <= n / 2 else "" | ||
| + | |||
| + | print('---------------------') | ||
| + | print(' Число %ld - %sпростое' % (n, no)) | ||
| + | </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 i = 2; | ||
| + | |||
| + | while ((i <= n / 2) && (n % i != 0)) { | ||
| + | i++; | ||
| + | } | ||
| + | |||
| + | var no = i <= n / 2 ? "не " : ""; | ||
| + | |||
| + | document.getElementById("resultId").innerHTML = | ||
| + | " Число " + n + " - " + no + "простое"; | ||
| + | } | ||
| + | </script> | ||
| + | </head> | ||
| + | <body> | ||
| + | |||
| + | <p>Поиск простых чисел</p> | ||
| + | <hr> | ||
| + | <p>Введите число: <input id="nId" size="5"></p> | ||
| + | <hr> | ||
| + | <p id="resultId"></p> | ||
| + | |||
| + | <button onclick="calc()">Рассчитать</button> | ||
| + | |||
| + | </body> | ||
| + | </html> | ||
| + | </source> | ||
Latest revision as of 09:24, 23 November 2017
Contents |
[edit] Java
import java.util.Scanner;
public class Task06 {
public static void main(String[] args) {
Scanner in = new Scanner(System.in);
System.out.println();
System.out.println(" Поиск простых чисел");
System.out.println("---------------------");
System.out.print(" Введите число: ");
long n = in.nextLong();
long i = 2;
while ((i <= n / 2) && (n % i != 0)) {
i++;
}
String no = i <= n / 2 ? "не " : "";
System.out.println("---------------------");
System.out.printf(" Число %d - %sпростое\n", n, no);
}
}
[edit] C++
// g++ 4.2
#include <iostream>
using namespace std;
int main() {
long n;
cout << "\n Поиск простых чисел\n";
cout << "---------------------\n";
cout << " Введите число: ";
cin >> n;
long i = 2;
while ((i <= n / 2) && (n % i != 0)) {
i++;
}
string no = i <= n / 2 ? "не " : "";
cout << "---------------------\n";
printf(" Число %ld - %sпростое\n\n", n, no.data());
return 0;
}
[edit] Python
# Python 3
print('\n Поиск простых чисел')
print('---------------------')
n = int(input(' Введите число: '))
i = 2
while (i <= n / 2) and (n % i != 0):
i += 1
no = "не " if i <= n / 2 else ""
print('---------------------')
print(' Число %ld - %sпростое' % (n, no))
[edit] Pascal
[edit] JavaScript
<html lang="ru">
<head>
<meta charset="UTF-8">
<script>
function calc() {
var n = document.getElementById("nId").value;
var i = 2;
while ((i <= n / 2) && (n % i != 0)) {
i++;
}
var no = i <= n / 2 ? "не " : "";
document.getElementById("resultId").innerHTML =
" Число " + n + " - " + no + "простое";
}
</script>
</head>
<body>
<p>Поиск простых чисел</p>
<hr>
<p>Введите число: <input id="nId" size="5"></p>
<hr>
<p id="resultId"></p>
<button onclick="calc()">Рассчитать</button>
</body>
</html>