Практикум по программированию. Основы. Ввод и вывод. Арифметическая прогрессия 2
From AsIsWiki
(Difference between revisions)
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==Java== | ==Java== | ||
− | < | + | <source lang="java"> |
import java.util.Scanner; | import java.util.Scanner; | ||
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Scanner in = new Scanner(System.in); | Scanner in = new Scanner(System.in); | ||
− | + | System.out.println(); | |
System.out.println(" Арифметическая прогрессия "); | System.out.println(" Арифметическая прогрессия "); | ||
System.out.println("---------------------------"); | System.out.println("---------------------------"); | ||
System.out.print(" Введите номер Am-члена прогрессии M: "); | System.out.print(" Введите номер Am-члена прогрессии M: "); | ||
− | + | int m = in.nextInt(); | |
System.out.print(" Введите M-ный член прогрессии Am: "); | System.out.print(" Введите M-ный член прогрессии Am: "); | ||
− | + | double am = in.nextDouble(); | |
System.out.print(" Введите номер An-члена прогрессии N: "); | System.out.print(" Введите номер An-члена прогрессии N: "); | ||
− | + | int n = in.nextInt(); | |
System.out.print(" Введите N-ный член прогрессии An: "); | System.out.print(" Введите N-ный член прогрессии An: "); | ||
− | + | double an = in.nextDouble(); | |
System.out.println("---------------------------"); | 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); | |
} | } | ||
} | } | ||
− | </ | + | </source> |
==C++== | ==C++== | ||
− | < | + | <source lang="cpp"> |
// g++ 4.2 | // g++ 4.2 | ||
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return 0; | return 0; | ||
} | } | ||
− | </ | + | </source> |
==Pascal== | ==Pascal== | ||
− | < | + | <source lang="delphi"> |
− | </ | + | </source> |
Revision as of 13:31, 29 February 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