08. Diagonal Attack

function solve(input) {
    let isMagic = true;
    let sum = input[0].reduce((a, b) => a + b,0);
    for(let i = 0; i < input[0].length; i ++) {
        if(sum !== input[i].reduce((a, b) => a + b, 0)){
            isMagic = false;
            break;
        }
        if(isMagic){
            let current = 0;
            for(let j = 0; j < input.length; j ++) {
                current += input[i][j];
            }
            if(sum !== current){
                isMagic = false;
                break;
            }
        } else {
            break;
        }
    }
    console.log(isMagic);
}