Created
April 23, 2016 21:05
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4-23 Valid Flag solution
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if(validRow(arrayOfFlagObjects[0].flag)===true && validNeighbors(arrayOfFlagObjects[0].flag)===true){ | |
console.log("YES"); | |
}else { | |
console.log("NO"); | |
} | |
// Solution 1 | |
process.stdin.resume(); | |
process.stdin.setEncoding("ascii"); | |
var input = ""; | |
process.stdin.on("data", function (chunk) { | |
input += chunk; | |
}); | |
process.stdin.on("end", function () { | |
// now we can read/parse input | |
// console.log('input ', input) | |
var data = input.split('\n') | |
// console.log('data ', data) | |
var numTestCases = data.shift() | |
var arrayOfFlagObjects = [] | |
// console.log('numTestCases ' + numTestCases) | |
// console.log('data ', data) | |
for (var i=0; i<numTestCases; i++) { | |
var flagObject = { | |
rows: 0, | |
columns: 0, | |
flag: [] | |
} | |
flagObject.rows = data[0][0]; | |
flagObject.columns = data[0][2]; | |
data.shift() | |
for (var j=0; j<flagObject.rows; j++) { | |
flagObject.flag.push(data[0]) | |
data.shift() | |
} | |
arrayOfFlagObjects.push(flagObject) | |
} | |
// console.log('array of flagobjects ', arrayOfFlagObjects) | |
for (var x=0; x<arrayOfFlagObjects.length; x++) { | |
var validRows = true; | |
for (var i=0; i<arrayOfFlagObjects[x].rows; i++) { | |
// console.log(validRow(arrayOfFlagObjects[x].flag[i])) | |
if (!validRow(arrayOfFlagObjects[x].flag[i])) { | |
validRows = false | |
} | |
} | |
var validNeighbors = true; | |
if (!validNeighbor(arrayOfFlagObjects[x].flag)) validNeighbors = false | |
if (validRows && validNeighbors) { | |
console.log('YES') | |
} | |
else { | |
console.log('NO') | |
} | |
} | |
// helper functions | |
function validRow(row) { | |
for (var i=1; i<row.length; i++) { | |
if (row[i] !== row[i-1]) return false | |
} | |
return true; | |
} | |
function validNeighbor(flag) { | |
for (var i=1; i<flag.length; i++) { | |
if (flag[i][0] === flag[i-1][0]) return false | |
} | |
return true; | |
} | |
}); |
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