Backend02
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function exam02(arry) {
// declare varibles for sum values
let sumValue = 0;
let sumValue2 = 0;
if(arry.length < 3){
for(let row = 0; row < arry.length; row++) {
for(let col = 0; col < arry[row].length; col++) {
if(row === col){
sumValue += arry[row][col];
}else if ((row + col) === (arry[row].length-1)){
sumValue2 += arry[row][col];
}
}
}
}
if(arry.length === 3){
let count = 0;
for(let row = 0; row < arry.length; row++) {
for(let col = 0; col < arry.length; col++) {
if(row === col){
sumValue += arry[row][col];
}else if ((row + col) === (arry[row].length-1)){
sumValue2 += arry[row][col];
}
else if (row === 1 && count < 1){
count++;
sumValue2 += arry[1][1];
}
}
}
}
if (arry.length > 3) {
for (let row = 0; row < arry.length; row++) {
sumValue = arry[row][row];
sumValue2 = arry[row][(arry.length - row) - 1];
}
}
return Math.abs(sumValue - sumValue2);
}
function test_01() {
if (
exam02([
[1, 2],
[3, 4],
]) == 0
) {
console.log("pass");
} else {
console.log("fail");
}
if (
exam02([
[1, 2, 4],
[4, 5, 9],
[7, 8, 9],
]) == 1
) {
console.log("pass");
} else {
console.log("fail");
}
}
test_01();
JavaScript
INFO