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Josif_tepe

Jun 16th, 2025

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Java 2.75 KB | None | 0 0

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import java.util.TreeSet;
class MnozicaZnakov extends TreeSet<Character> {
@Override
public boolean add(Character c) {
if(c.charValue() >= '0' && c.charValue() <= '9') {
return super.add(c);
}
return false;
}
}
public class Naloga12 {
static char[][] mat = new char[9][9];
static char checkRow(char[][] mat, int i) {
MnozicaZnakov mz = new MnozicaZnakov();
for(int j = 0; j < mat.length; j++) {
if(mat[i][j] != '0' && mz.add(mat[i][j]) == false) {
return mat[i][j];
}
}
return 0;
}
static char checkColumn(char[][] mat, int j) {
MnozicaZnakov mz = new MnozicaZnakov();
for(int i = 0; i < mat.length; i++) {
if(mat[i][j] != '0' && mz.add(mat[i][j]) == false) {
return mat[i][j];
}
}
return 0;
}
static char checkSquare(char[][] mat, int i, int j) {
MnozicaZnakov mz = new MnozicaZnakov();
for(int a = 0; a < 3; a++) {
for(int b = 0; b < 3; b++) {
if(mat[i * 3 + a][j * 3 + b] != '0' && !mz.add(mat[i * 3 + a ][j * 3 + b])) {
return mat[i * 3 + a][j * 3 + b];
}
}
}
return 0;
}
public static void main(String[] args) {
String s = args[0];
for(int i = 0; i < s.length(); i++) {
mat[i / 9][i % 9] = s.charAt(i);
}
for(int i = 0; i < mat.length; i++) {
for(int j = 0; j < mat[i].length; j++) {
if(mat[i][j] != '0') {
System.out.print(mat[i][j] + " ");
}
else {
System.out.print("* ");
}
}
System.out.println();
}
for(int i = 0; i < 9; i++) {
int broj = checkRow(mat, i);
if(broj != 0) {
System.out.printf("Napaka v vrstici %d (znak %c)", i + 1, broj);
return;
}
}
for(int j = 0; j < 9; j++) {
int broj = checkColumn(mat, j);
if(broj != 0) {
System.out.printf("Napaka v stolpcu %d (znak %c)", j + 1, broj);
return;
}
}
for(int i = 0; i < 3; i++) {
for(int j = 0; j < 3; j++) {
int broj = checkSquare(mat, i, j);
if(broj != 0) {
System.out.printf("Napaka v kvadratu (%d, %d) (znak %c)", i + 1, j + 1, broj);
return;
}
}
}
System.out.println("OK!");
// 507200090006030701400000060100490007000508000800027005070000009209080600040009308
}
}

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