パイザの

magicsquare.js

process.stdin.resume();
process.stdin.setEncoding('utf8');
// 自分の得意な言語で
// Let's チャレンジ！！
function createPermutation(inputArray) {
    if(inputArray.length===1) return [[inputArray[0]]];
    var result = [];
    for(var index=0; index<inputArray.length; index++) {
        let cloneArray = inputArray.concat([]);
        let head = cloneArray.splice(index,1);
        let remainArray = createPermutation(cloneArray);
        for(var _index=0;_index < remainArray.length; _index++) {
            remainArray[_index].unshift(head[0]);
            result.push(remainArray[_index]);
        }
    }
    return result;
}
function applyParameters(inputArray, parameters) {
    let ret = new Array(inputArray.length);
    var parametersIndex = 0;
    for(var index=0; index < inputArray.length; index++) {
        let row = inputArray[index];
        ret[index] = new Array(row.length);
        for(var _index=0; _index < row.length; _index++) {
            if(row[_index] === 0) {
                ret[index][_index] = parameters[parametersIndex];
                parametersIndex++;
            } else {
                ret[index][_index] = row[_index];
            }
        }
    }
    return ret;
}
function checkArray(trialArray) {
    var base = 0;
    for(var index=0; index<trialArray.length; index++) {
        var tmp = 0;
        var row = trialArray[index];
        for(var _index=0; _index<row.length; _index++) {
            tmp += row[_index];
        }
        if(base === 0) base = tmp;
        else if(tmp !== base) return false;
    }
    for(index=0; index<trialArray[0].length; index++) {
        tmp = 0;
        for(_index = 0; _index<trialArray.length; _index++) {
            tmp += trialArray[_index][index];
        }
        if(tmp !== base) return false;
    }
    if(trialArray%2 === 0) return true;
    tmp = 0;
    for(index=0; index<trialArray.length; index++) {
        tmp += trialArray[index][index];
    }
    if( tmp !== base ) return false;
    tmp = 0;
    for(index=0; index<trialArray.length; index++) {
        tmp += trialArray[trialArray.length-1-index][index];
    }
    if( tmp !== base ) return false;
    
    return true;
}
process.stdin.on('data', function (chunk) {
    var arr = chunk.toString().split('\n');
    if(arr.length < 2) throw new Error('too short');
    let count = parseInt(arr[0]);
    if(!Number.isInteger(count)) throw new Error('wrong number');
    let ret = new Array(count);
    let unexists = Array.apply(null,new Array(Math.pow(count,2))).map(function(){return true;});

    var zeroCount = 0;
    let mapfunc = function(v,i){
        ret[index][i]=parseInt(v);
        if( ret[index][i] > 0 ) {
            unexists[ret[index][i]-1] = false;
        } else {
            zeroCount++;
        }
    };
    
    for(var index=0; index<count; index++) {
        ret[index] = new Array(count);
        let tmp = arr[index+1].replace(/\s|　/g,' ');
        tmp.split(' ').map(mapfunc);
    }

    let resultsArray = new Array(zeroCount);
    index = 0;
    unexists.map(function(v,i){if(v){resultsArray[index]=++i;index++;}})

    let allPermutation = createPermutation(resultsArray);
    for(index=0; index<allPermutation.length; index++) {
        let trialArray = applyParameters(ret, allPermutation[index]);
        if(checkArray(trialArray)) {
            trialArray.map(function(v){console.log(v.join(' '));});
            return;
        }
    }
    throw new Error('couldnt solve');
});

    let tmp = arr[index+1].replace(/\s|　/g,' ');

の全角スペース（or|のあと）が表示上半角になってそうで気持ち悪いです