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add flag "wasDivisionByZero" for lab1

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This commit is contained in:
Oleksii Aleshchenko
2023-03-16 14:47:04 +02:00
parent 41ad598b79
commit 25173d66d1
1 changed files with 16 additions and 8 deletions
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22
src/Lab1.java
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@@ -1,7 +1,7 @@
public class Lab1 { public class Lab1 {
public static void main(String[] args) { public static void main(String[] args) {
System.out.println( (double) 0 / 0 ); // System.out.println( (double) 0 / 0 );
System.out.println( Math.sqrt(-1) ); // System.out.println( Math.sqrt(-1) );
double s = 0; double s = 0;
/*for (int i = 1; i <= 3; i++) { // 1) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> i = 1, 2) <20><><EFBFBD><EFBFBD> <20> <= 3, 3) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 䳿 <20> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>, /*for (int i = 1; i <= 3; i++) { // 1) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> i = 1, 2) <20><><EFBFBD><EFBFBD> <20> <= 3, 3) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 䳿 <20> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>,
System.out.println(i); // 4) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><> 1, 5) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD> 2 System.out.println(i); // 4) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><> 1, 5) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD> 2
@@ -12,23 +12,31 @@ public class Lab1 {
for (int i = 0; i < array.length; i++) { for (int i = 0; i < array.length; i++) {
}*/ }*/
final int A = -1; final int A = -3;
final int B = 1; final int B = 1;
final int N = 2; final int N = 2;
final int M = 2; final int M = 2;
final int C = 1; final int C = 1;
boolean wasDivisionByZero = false;
for (int i = A; i <= N; i++) { // todo char
for (int i = A; i <= N && !wasDivisionByZero; i++) {
if (i + C == 0) { // todo optimize if (i + C == 0) { // todo optimize
System.out.println("Division by zero!"); System.out.println("Division by zero!");
wasDivisionByZero = true;
break; //todo flag vs return; break; //todo flag vs return;
} }
for (int j = B; j <= M; j++) { for (int j = B; j <= M; j++) {
s += (double) (i + j) / (i + C); if (j == 0) {
System.out.println("Division by zero!");
wasDivisionByZero = true;
break;
}
s += (double) (i / j) / (i + C);
} }
} }
if (!wasDivisionByZero) {
System.out.println("s = " + s); System.out.println("s = " + s);
} }
} }
}