(public).sospep.events ~ view task ~ devdraft-challenge-2015-10

<h1 style="text-align: center;">devdraft challenge - october</h1>
<h2>[reference]</h2>
<ol>
<li>i] code-devdraft-2015-09.txt</li>
<li>i] code-devdraft-2015-10.txt - includes lastSave,</li>
<li>x] <a href="http://jsfiddle.net/nh8mLeda/" target="_blank">http://jsfiddle.net/nh8mLeda/</a>&nbsp;- readLines3() - loop</li>
<li>x] <a href="http://jsfiddle.net/rfk6z897/" target="_blank">http://jsfiddle.net/rfk6z897/</a>&nbsp;- calcTime2()</li>
<li>]</li>
</ol>
<h2>[notes]</h2>
<ol>
<li>] INPUTS</li>
<ol>
<li>] numberAttractions = int A //</li>
<li>] averageTimeBetweenPoints = [] ints //</li>
<li>] numberOfQueries = 3</li>
<li>] qry-n-line1 (numberAttractions) // # of attractions each user will visit</li>
<li>] qry-n-line2-POINTS (index of times) // index value of getting TimeValues</li>
<li>] ....</li>
</ol>
<li>] INPUT - example - 1 DATA</li>
<ol>
<li>] timeValues = [4, 2, 5, 1, 3, 8];</li>
<li>] number attractractions = 2,</li>
<li>] 2</li>
<li>] 0 1 ( attraction, qry-n)</li>
<li>] 3</li>
<li>] 0,3,5</li>
<li>] 4</li>
<li>] 0, 4, 2, 5</li>
</ol>
<li>] PROCESS</li>
<ol>
<li>] NEW task IN i] calculateClockWise(averageTimeBetweenPoints, qry-n-line2-POINTS )</li>
<ol>
<li>] var totalTime =</li>
<li>] foreach in points totalTime += averageTime[points[i]];</li>
<li>] return totalTime</li>
</ol>
<li>] NEW task IN i] calculateCounterClockWise()</li>
<ol>
<li>i] see above</li>
</ol>
<li>] NEW task IN&nbsp; calculateQuickest()</li>
<ol>
<li>] compare&nbsp;clockwise time&nbsp;</li>
<li>] return quickest time </li>
</ol>
<li>] NEW task IN&nbsp; calcTime()</li>
<ol>
<li>]</li>
</ol>
<li>] NEW task IN&nbsp; calcTime2()</li>
<ol>
<li>]</li>
</ol>
<li>] NEW task IN readLines3()</li>
<ol>
<li>x] get the 'data' for each query - pushed into qData array</li>
<li>x] data = numberAttractions, indexOfTimeValues</li>
</ol></ol>
<li>] devdraft LESSONS LEARNED</li>
<ol>
<li>] looping through array of object, USE array.forEach VS loop</li>
<li>] <a href="http://stackoverflow.com/questions/16626735/how-to-loop-through-an-array-containing-objects-and-access-their-properties">http://stackoverflow.com/questions/16626735/how-to-loop-through-an-array-containing-objects-and-access-their-properties</a></li>
<li>] --&gt; READ the problem -&gt; map solution B4 line1 of code writing</li>
<li>] guests visit attrations in specific order, / not always clear which route fastest(clockwise,counter)&nbsp;</li>
<li>]&nbsp;/ GIVEN time between adjacent attraction / FIND fastest way between&nbsp;</li>
<li>]- saved screenshoot - PRB 0&nbsp;</li>
<li>-- &gt; READ the problem - the EXAMPLE is the explanation to solve the PROBLEM and THE ANSWER to 1/3 data set (it may have/has a mistake )</li>
<li>] -- will need methods clockwise/counter</li>
</ol></ol>
<h2>[previously]</h2>
<ol>
<li>[2015-10-26][19:00] NEW task IN doc/___</li>
<ol>
<li>] &nbsp;came across website devdraft.com&nbsp;while browsing /r/vancouverjobs</li>
<li>] did a practice challenge to check it out</li>
<li>] while its puzzly its not overly puzzly or obtuse</li>
<li>] spent 3 - 4 hours, still on stage 1, (i think) i am just about there in regards to a solutions</li>
<li>] the 'real challenge' deadline was next day 10/27 6am - maybe should have tried that and could have submitted an entry</li>
<li>] real challeng deadline moved back 1 day due to tech issues, LETS give it a shot ...</li>
</ol>
<li>[2015-10-27][10:15]</li>
<ol>
<li>] OK lets&nbsp;takc a crack at the 'real challenge'</li>
</ol>
<li>[00:00] NEW task IN</li>
<ol>
<li>] puzzle = amusement park - calculate&nbsp;time between attractions in minutes,</li>
<li>] given # of minutes for average vistor to travel between points</li>
<li>] can travel in 2 directions, clockwise, counterclockwise</li>
</ol>
<li>[00:00] NEW task IN </li>
<ol>
<li>] REF# = code-devChallenge-2015-10-27 ( keep&nbsp;local copy of code current, see&nbsp;reference&nbsp;)</li>
</ol>
<li>[13:00] NEW task IN</li>
<ol>
<li>x] ### - break&nbsp; ( p, purch)</li>
</ol>
<li>[16:15] NEW task IN </li>
<ol>
<li>] # # - code challenge (contd)</li>
</ol>
<li>[01:00] NEW task IN -</li>
<ol>
<li>x] # # - whats the PROBLEM</li>
<li>x] PROBLEM - MISUNDERSTOOD THE PRB(overthinking) - /wrote calcClockwise, calcCounterClockWise BUT already getting 'values' in input</li>
<li>*] PROBLEM&nbsp; with 'invalid data', NEED REM - convert numbers toString() before output</li>
<li>] # # -&nbsp;PROBLEM - REL= again&nbsp;&nbsp;invalid data/data typ</li>
<li>x] # # - PROBLEM - saving ( problem on server)</li>
<li>x] EXCUSES = ] not good with puzzles/dont like, ]&nbsp;dont like console coding, ] nodejs &nbsp;</li>
</ol>
<li>[2015-10-28][00:00] NEW task</li>
<ol>
<li>x] # # -&nbsp;TEST functional, r=FAIL</li>
<li>x] # # - submit help qry re: save problem</li>
<li>x] # # - msg1 - recieved,</li>
<li>x] # # - msg2 - resolved</li>
<li>x] # # - msg3 - yes, resolved, thanks</li>
</ol>
<li>[00:00] NEW task IN function/readLines3</li>
<ol>
<li>x] # # - UPDATE readLines(3) - loop - TEST OK correct output in fiddle, TEST FAIL - error in input[idx2] BUT hardcode input[4]</li>
<li>x] # # -&nbsp;TEST ixd2 value - output '62' , USE parseInt(numberOfQueries) value - output = 8, PROBLEM = numberOfqueries WAS string input</li>
<li>x]&nbsp; # # - SAVE copy function to .txt</li>
</ol>
<li>[12:00] NEW task IN</li>
<ol>
<li>] # # - jsfiddle - calcTimes3 &nbsp;</li>
</ol>
<li>[00:00] NEW task IN&nbsp; calcTime3()</li>
<ol>
<li>] # # - jsfiddle&nbsp;</li>
<li>] got it working BUT changed data structure from using 2 arrays(qDataAttractions,qDataValues) to one array (data) of 'record' objects</li>
<li>] TEST = FAIL</li>
<li>] PRB again with 'data types', was getting back data 04 vs 4, needed to&nbsp;use parseInt(average)</li>
<li>] TEST data[0] = PASS // 4</li>
<li>] TEST data[1] =&nbsp;PASS&nbsp; // 12</li>
<li>] TEST data[2] = FAIL //&nbsp;12 &lt;&gt; 26</li>
<li>] PROBLEM - I didnt understand the calculation, its NOT a simple look of timeValue in table</li>
<li>] they are value pairs, 0,1 - user(0) walked(0,1) from attraction 0 to attraction 1 ( 4 minutes), user(1) walked(0,3,5) from 0, to 3 (4 min, idx), then from (3 to&nbsp;5) for 12 minutes, &nbsp;&nbsp;&nbsp;</li>
<li>] 0, 5, 3, - - user walked from attraction 0-5 , then from 5 - 3</li>
</ol>
<li>[00:00] NEW&nbsp;task IN PROBLEM / REALIZATION</li>
<ol>
<li>]&nbsp;# # -&nbsp;there are 3 more equally/likely more difficult challenges AHEAD in Part 1, 2, 3</li>
</ol>
<li>[00:00] NEW&nbsp;task IN&nbsp;SOLUTION:</li>
<ol>
<li>] # # -</li>
</ol>
<li>[00:00] NEW task IN PROBLEM </li>
<ol>
<li>x] # # - getting incorrect data in console, values are being concat VS being totall</li>
</ol>
<li>[00:00] NEW task IN SOLUTION:&nbsp;</li>
<ol>
<li>x] # # - added parseInt(timeValues)</li>
</ol>
<li>[00:00] NEW task IN&nbsp; calcTime4()</li>
<ol>
<li>] # # - jsfiddle&nbsp;- replace call tempCalc(data[0]) this works BUT</li>
</ol>
<li>[00:00] NEW task IN</li>
<ol>
<li>x] # # - add loop to write out multiple lines of output for each</li>
<li>] PROBLEM - not looping through array of objects, get results for first object element,</li>
<li>] SOLUTION - replace loop with a forEach method for the array, each item in the dataAll array will be process</li>
</ol>
<li>[00:00] NEW task IN</li>
<ol>
<li>x] # # - dataAll.forEach - add method to process array, goes thru all array objects, process each to calculate totalTime, writes output to console</li>
</ol>
<li>[2015-mm-dd][00:00] NEW task IN</li>
<ol>
<li>] # # - scratchpad</li>
<li>] # # - calculateMinutes =</li>
<li>] # # - answers= 4, 12, 26</li>
<li>] 0,1 ; answer = 4, index 0,</li>
<li>] 0, 3, 5&nbsp; - &nbsp;0 to 3 = 4 minutes at index 0, 3 to 5 = 8 min at index 5</li>
<li>] 0, 4, 2, 5 = 0,4 = 4 min + 4,2, 5 min at index 2, + 2,5 8 min at index 5 = 17 minutes; total = 4+3+5+8(20)</li>
</ol>
<li>[2015-10-29][00] NEW task IN</li>
<ol>
<li>x] # # - re read instructions - ahaaaaaaaaaa moment ( i think)</li>
<li>x] pseudo code</li>
</ol>
<li>[2015-10-29] NEW task IN</li>
<ol>
<li>] # # -</li>
</ol>
<li>[2015-11-03] NEW task</li>
<ol>
<li>x] # # - ADD function numberOfTripPairs - trip pairs are the start,end points for each attraction, that a user wants to visit</li>
<li>x] # # - TEST function&nbsp;</li>
<ol>
<li>*] DONT put expression in if statement, EX if ( x/2&gt;0){ // NO go , DO var test = x/2 , then if (test &gt; 0 ){&nbsp;</li>
<li>] REVISED formulas to get correct numberOfTripPairs</li>
</ol>
<li>x] REM function calcTime // orig version</li>
<li>x] REM function calcTime2() // rev version &nbsp;</li>
<li>x] REM function calcTime3() // rev version &nbsp;</li>
</ol></ol>
<h2>[currently]</h2>
<ol>
<li>[2015-11-04] NEW task IN&nbsp;</li>
<ol>
<li>x] UPDATE clockwiseTotal() - 2 loops, uses getNumber of pairs, first loop for numberOfPairs, 2nd loop tallies&nbsp;</li>
<li>] ADD function calcTimeClockwise(trips, pairs)&nbsp;</li>
<li>] TEST = runs, but results are wrong, first item correct, next should be 12,getting 15, next shoud be 26, getting 21&nbsp;</li>
</ol>
<li>[] NEW task IN&nbsp;</li>
<ol>
<li>x] # # - add counterClockwiseTotal() to</li>
<li>] TEST = PASS but values returned are incorrect&nbsp;</li>
<li>] TRY = adjust inner loop&nbsp;</li>
</ol>
<li>[] NEW task IN PRB-SOL</li>
<ol>
<li>] # # - reverse array PRB function doesnt complete before values are accessed, node issue event driven</li>
<li>] output can be no outputs OR usuall first ouput is regular array, 2nd/3rd is reversed array</li>
<li>] have SO art on SOL :&nbsp;http://stackoverflow.com/questions/5010288/how-to-make-a-function-wait-until-a-callback-has-been-called-using-node-js</li>
<li>]</li>
</ol>
<li>[]</li>
</ol>
<h2>[next]</h2>
<ol>
<li>]</li>
</ol>
&nbsp;
&nbsp;
<hr />
# support request -
I was working on the Oct 2015 challenge last night it stopped allowing me to save anything, the error message is 500 bad request. It doesn't matter what I try to save. I also have a September challenge in progress in my account which seems to still save fine. Any ideas? Thanks
&gt; SOLVED
0-4 - 11 4-2 - 6 2-5 - 9
] PSEUDO x]&nbsp; input=numberOfQueries
- ] all points = values - ] totalTrips = values.length %/ MOD ( 1 REM 0, 1 REM 1, 2 REM 0)&nbsp;&nbsp; - getFirstTrip = first 2 points ( 0, 4) - calcTimeBetweenPoints(clockwise) - saveTimeTrip
<hr />
function numberTripPairs(){
// calculate the # of trips/attractopms this user will take/visit
// ++&nbsp;clockwise VS counterClockwise // ??&nbsp;IF counter JUST access array at end VS at start
IF &nbsp;(totalTrips = values.length %/2 &gt; 0){
// odd # a
return tripPairs&nbsp;= (values.length/2)&nbsp;+ 1
}
else {
return tripPairs&nbsp;= (values.length/2)&nbsp;
}
}
<hr />
function clockwiseTotal(start,destination){
// EX 0,1, // 3,5
// TEST 0,1 OK,
var totalTime = 0;
var tripTime = 0;
var stops = (destination - start) ;
var pairs = numberTrips(); // ex 1 // ex2
// BREAK DOWN FOR 1 // works for single trip // not enought iterations for, could go '&lt;=' but that would break single item, // COULD ADD IF (cond 1) else {loop}
if ( stops === 1){
&nbsp;&nbsp; return&nbsp;times[start];
}
&nbsp;for( i = start;&nbsp;start &lt;=&nbsp;destination ; start++){
&nbsp; &nbsp;tripTime =&nbsp; times[start];
&nbsp;&nbsp; totalTime = tripTotal + tripTime;
}
&nbsp;return totalTime;
--- *** ---
( values ) // (0,1), (0,3,5)
trips = numberOfTripPairs(); // 1, 2, 3
ttlTime = 0;
// [0,3,5] numTripParis = 2,
&nbsp;// first 2 items in arr
&nbsp;// arr items 0 + 1
&nbsp;for (i=0; i&lt; trips; i++ ){
&nbsp; &nbsp;// start, destination, //0 1 // 0 3, 3 5&nbsp;
&nbsp; &nbsp;start = values[i] ;
&nbsp; destination = values[i+1];&nbsp;
&nbsp; &nbsp; for (j=start; j&lt;destination; j++){
&nbsp; &nbsp; &nbsp; &nbsp;ttlTime += timeValues[j]; // 4,&nbsp;
&nbsp; }
}
&nbsp;
<hr />
function counterClockWiseTotal(start,destination){
// ex 0, 1 counterClockwise - 0 -5, 5 - 4, 4 - 3, 3 -2, 2-1
// &nbsp;timeValues = [4, 2, 5, 1, 3, 8];
attractions = &nbsp;numberOfAttractions; // 6
var totalTime = 0;
var tripTime = 0;
var stops = (destination - start) ; // 1, 0&nbsp;
var pairs = numberTrips(); // ex 1 // ex2
if ( stops === 1){
&nbsp;&nbsp; return&nbsp;times[start];
}
&nbsp;for( i = start;&nbsp;start &lt;=&nbsp;destination ; start++){
&nbsp; &nbsp;tripTime =&nbsp; times[start];
&nbsp;&nbsp; totalTime = tripTotal + tripTime;
}
&nbsp;return totalTime;
}
-- /REVERSE case 1 = 0, 1
for ( i=timeValues.length-1; i &lt; destination, i-- ){
&nbsp;totalTime += timeValues[i]; // pass1 ( 6/0/5 8 ), (6/0/5 3), ...&nbsp;
}&nbsp;
-- /REVERSE case 2 = 0, 3, 5 &nbsp; trips = 2, 0-3, 3-5&nbsp;
&nbsp;
&nbsp;
<hr />
&nbsp;function calculateQuickestRoute(start, destination){
// ex 0, 1
var clockWise = clockWiseTotal(start, destination);
var counterClockWise = counterClockWiseTotal(start, destination);
if ( clockWise&lt;= counterClockWise){
&nbsp;return clockWise;
}
else{
return counterClockwise;
}
}
&nbsp;
&nbsp;
*] 2015-10-26 5:29 [pm]&nbsp; last save devdraft
&nbsp;
<hr />
/*
&nbsp; &nbsp; function calcTime (){
&nbsp; &nbsp; &nbsp; &nbsp;var totalTime =0;
&nbsp; &nbsp; &nbsp; &nbsp;var total=0;
&nbsp; &nbsp; &nbsp; &nbsp;var values = indexOfAttractions.length - 1;&nbsp;
&nbsp; &nbsp; &nbsp; &nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;for(i=0; i &lt; values; i++){
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var idx = indexOfAttractions[i];&nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var x = parseInt(totalTime);
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var y = averageTimeBetweenPoints[idx];
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; y = parseInt(y);
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; total = x + y;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; totalTime += averageTimeBetweenPoints[idx]; // i = 2, 0 = 4, all += 042
&nbsp; &nbsp; &nbsp; &nbsp; }
&nbsp; &nbsp; &nbsp; &nbsp; return total.toString();
&nbsp; &nbsp; }
&nbsp;&nbsp;
function calcTime2 (){
&nbsp; &nbsp; &nbsp; &nbsp;//var totalTime =0;
&nbsp; &nbsp; var total=0;
&nbsp; &nbsp; &nbsp; &nbsp;var values = qDataValues.length - 1;&nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;for(i=0; i &lt; values; i++){
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var idx = qDataValues[i];&nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var x = parseInt(total);
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var y = averageTimeBetweenPoints[idx];
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; y = parseInt(y);
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; total = x + y;
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; //totalTime += averageTimeBetweenPoints[idx]; // i = 2, 0 = 4, all += 042
&nbsp; &nbsp; &nbsp; &nbsp; }
&nbsp; &nbsp; &nbsp; &nbsp; return idx.toString();
&nbsp; &nbsp; }
&nbsp; &nbsp; */&nbsp;
&nbsp; &nbsp;&nbsp;
&nbsp;
<hr />
&nbsp;CUT COMMENTS BELOW FUNCTION readLines()
// output = calcTime2();
&nbsp; &nbsp; // output = qDataAttractions[0].toString();
&nbsp; &nbsp; // output = data[0].values.toString();
&nbsp; &nbsp; //var idxT=0;&nbsp;
&nbsp; &nbsp;&nbsp;
&nbsp; &nbsp; /* LOOP thru all data outputs PRB - only gets value of 1, SEE BELOW multiple statements work BUT ... &nbsp;
&nbsp; &nbsp; for ( i=0; i &lt; dataAll.length; i++ ){
&nbsp; &nbsp; &nbsp; &nbsp; // output = data.length.toString() ; // PASS '333'
&nbsp; &nbsp; &nbsp; &nbsp; // output = calcTime3(data[i]) + "\n"; // doesnt lOOP,&nbsp;
&nbsp; &nbsp; &nbsp; &nbsp; // output = i.toString()+"\n"; // PASS 0, 1, 2 - each on new line
&nbsp; &nbsp; &nbsp; &nbsp; output = calcTime3(dataAll[i]);
&nbsp; &nbsp; &nbsp; &nbsp; //OUTPUT
&nbsp; &nbsp; &nbsp; &nbsp; // process.stdout.write(output);
&nbsp; &nbsp; &nbsp; &nbsp; process.stdout.write( output + "\n"); // no output, w/out \n we get a single output&nbsp;
&nbsp; &nbsp; }
&nbsp; &nbsp; */
&nbsp; &nbsp;&nbsp;
&nbsp; &nbsp; /*
&nbsp; &nbsp; output = calcTime3(data[0]);
&nbsp; &nbsp; process.stdout.write(output+"\n");
&nbsp; &nbsp; output = calcTime3(data[1]);
&nbsp; &nbsp; process.stdout.write(output+"\n");
&nbsp; &nbsp; output = calcTime3(data[2]);
&nbsp; &nbsp; process.stdout.write(output);
&nbsp; &nbsp; */
&nbsp; &nbsp;&nbsp;
&nbsp; &nbsp;&nbsp;

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