Submission #1868778

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Source Code Expand

process.stdin.setEncoding('utf-8');
process.stdin.on('data', function (data) {
    data = data.replace(/\r?\n/g,"");
    data = data.split(" ");
    var sum=0;
    for(var i=0; i<data.length;i++) data[i] = Number(data[i],10);
    for(var i=0; i<data.length;i++) sum +=data[i];
    var maxRad = sum;
    var minRad;
    if(data[0]-data[1]-data[2]>0) minRad = data[0]-data[1]-data[2]
    else minRad = 0;
    var S = maxRad * maxRad * Math.PI - minRad * minRad * Math.PI;
    console.log(S);
   });

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