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- function solve(arr) {
- let sums = [];
- /* arr.forEach(row => {
- let sum = row.reduce((a, b) => a + b, 0);
- sums.push(sum);
- }); */
- let lengthArr = arr.length
- let arrSum = 0
- for (let col = 0; col < lengthArr; col++) {
- for (let row = 0; row < lengthArr; row++)
- arrSum += arr[col][row]
- sums.push(arrSum)
- arrSum = 0
- }
- for (let i = 0; i < lengthArr; i++) {
- arrSum = 0;
- for (let j = 0; j < lengthArr; j++) {
- arrSum += arr[j][i];
- }
- sums.push(arrSum);
- }
- let equal = arr => arr.every(e => e === arr[0]);
- console.log(equal(sums));
- }
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