34 lines
1,013 B
Java
34 lines
1,013 B
Java
import java.util.Scanner;
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class PrincipEleSum {
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public static void main(String[] args) {
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Scanner sc = new Scanner(System.in);
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System.out.print("Enter the dimension of the square matrix: ");
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int n = sc.nextInt();
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int a[][] = new int[n][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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System.out.print(
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"Enter the element at (" + i + "," + j + "): "
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);
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a[i][j] = sc.nextInt();
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}
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}
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System.out.print("The Principal Elements are: [ ");
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// Principal Element Printing and Sum
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int sum = 0;
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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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if (i == j) {
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System.out.print(a[i][j] + " ");
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sum += a[i][j];
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}
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}
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}
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System.out.println("]");
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System.out.println("Principal Element Sum: " + sum);
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}
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}
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