{"id":23436,"date":"2022-11-26T01:00:38","date_gmt":"2022-11-25T19:30:38","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-how-to-display-pyramid-in-javascript\/"},"modified":"2022-11-26T01:00:38","modified_gmt":"2022-11-25T19:30:38","slug":"solved-how-to-display-pyramid-in-javascript","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-how-to-display-pyramid-in-javascript\/","title":{"rendered":"[Solved] How to display pyramid in Javascript?"},"content":{"rendered":"

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Provided array length always should be sum of Natural Numbers<\/em>(1+2+3+4…)<\/strong><\/p>\n

Natural Number :<\/strong> 1,2,3,4,5…<\/p>\n

Few valid array lengths :<\/strong> 3,6,10,15,21… <\/p>\n

Ex.<\/strong><\/p>\n

var array = ['1', '3', '4', '10', '2', '5', '9', '7', '8', '6'];\n<\/code><\/pre>\n
var array = ['1', '3', '4', '2', '5', '6'];\n<\/code><\/pre>\n
var array = ['15', '1', '3', '13', '4', '10', '2', '14', '5', '9', '12', '7', '8', '6', '11'];\n<\/code><\/pre>\n
function generatePyramid(arr) {\n    var pyramidSize = getPyramidSize(arr.length),\n        sortedArray = array.sort(function(a, b) { return parseInt(b) - parseInt(a) }),\n        count = 0;\n    if (pyramidSize == -1) {\n        return false;\n    }\n    for (var i = 0; i < pyramidSize; i++) {\n        var row = \"\";\n        for (var j = 0; j < pyramidSize - i; j++) {\n            row += \" \" + sortedArray[count];\n            count++;\n        }\n        console.log(row);\n    }\n}\n\nfunction getPyramidSize(size) {\n    var sum = 0,\n        isNotSumOfNaturalNumbers = -1;\n    for (var i = 1; sum < size; i++) {\n\n        sum += i;\n        if (sum == size) { return i };\n    }\n    console.error(\"Error: Length of provided array should be sum of Natural Numbers(Ex. 1+2+3...)\");\n    console.warn(\"Next valid array length : \", sum);\n    return isNotSumOfNaturalNumbers;\n}\n\n\/\/Define any array and call the method\nvar array = ['15', '1', '3', '13', '4', '10', '2', '14', '5', '9', '12', '7', '8', '6', '11'];\ngeneratePyramid(array);\n<\/code><\/pre>\n
OutPut<\/strong><\/p>\n
15 14 13 12 11\n10 9 8 7\n6 5 4\n3 2\n1\n<\/code><\/pre>\n<\/p><\/div>\n
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            <\/span> <\/p><\/div>\n<\/div>\n
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solved How to display pyramid in Javascript? <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] Provided array length always should be sum of Natural Numbers(1+2+3+4…) Natural Number : 1,2,3,4,5… Few valid array lengths : 3,6,10,15,21… Ex. var array = [‘1’, ‘3’, ‘4’, ’10’, ‘2’, ‘5’, ‘9’, ‘7’, ‘8’, ‘6’]; var array = [‘1’, ‘3’, ‘4’, ‘2’, ‘5’, ‘6’]; var array = [’15’, ‘1’, ‘3’, ’13’, ‘4’, ’10’, ‘2’, ’14’, … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[333],"class_list":["post-23436","post","type-post","status-publish","format-standard","hentry","category-solved","tag-javascript"],"yoast_head":"\n[Solved] How to display pyramid in Javascript? - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-how-to-display-pyramid-in-javascript\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] How to display pyramid in Javascript? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Provided array length always should be sum of Natural Numbers(1+2+3+4…) Natural Number : 1,2,3,4,5… Few valid array lengths : 3,6,10,15,21… Ex. var array = ['1', '3', '4', '10', '2', '5', '9', '7', '8', '6']; var array = ['1', '3', '4', '2', '5', '6']; var array = ['15', '1', '3', '13', '4', '10', '2', '14', ... 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