38 lines
978 B
Java
38 lines
978 B
Java
import java.util.Scanner;
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import java.time.Instant;
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import java.time.Duration;
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/**
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* Lab9a is the main driver class for testing matrix multiplication.
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* Usage: java Lab9a
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*/
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class Lab9a {
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public static void main(String[] args) {
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Scanner scanner = new Scanner(System.in);
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int n = scanner.nextInt();
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// Read matrix 1
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Matrix m1 = new Matrix(n);
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for (int i = 0; i < n; i++) {
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for (int j = 0; j < n; j++) {
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m1.m[i][j] = scanner.nextDouble();
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}
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}
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// Read matrix 1
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Matrix m2 = new Matrix(n);
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for (int i = 0; i < n; i++) {
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for (int j = 0; j < n; j++) {
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m2.m[i][j] = scanner.nextDouble();
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}
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}
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// Multiply matrices
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long startTime = System.currentTimeMillis();
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Matrix res = Matrix.parallelMultiply(m1, m2);
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long endTime = System.currentTimeMillis();
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// System.out.println("Taken: " + (endTime - startTime));
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System.out.println(res);
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}
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}
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