47 lines
1.3 KiB
Java
47 lines
1.3 KiB
Java
/*
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Copyright (C) 2023 Giacomo Radaelli
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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public class Identita {
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public static void main(String[] args) {
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int[][] matrice =
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{
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{1, 0, 0, 0, 0},
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{0, 1, 0, 0, 0},
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{0, 0, 1, 0, 0},
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{0, 0, 0, 1, 0},
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{0, 0, 0, 0, 1}
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};
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System.out.println(cercaIdentita(matrice));
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}
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private static boolean cercaIdentita(int[][] matrice) {
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for (int i = 0; i < matrice.length; i++) {
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for (int j = 0; j < matrice[0].length; j++) {
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if(matrice[i][i] != 1) {
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return false;
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}
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if(i != j && matrice[i][j] != 0) {
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return false;
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}
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}
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}
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return true;
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}
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}
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