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kirankumaramruthaluri/handshake.js

Last active January 25, 2017 21:09
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Hackerrank - Hand shake - Javascript
Raw
handshake.js
/**
* Hackerrank Solution - Handshake
*/
function main() {
var T = parseInt(readLine());
for(var a0 = 0; a0 < T; a0++){
var N = parseInt(readLine());
console.log(Math.floor(N * (N - 1)/2));
}
}
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