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omas/arc001_2.js

Created December 20, 2014 03:09
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arc001_2.js
process.stdin.resume();
process.stdin.setEncoding('utf8');
process.stdin.on('data', function (chunk) {
var lines = chunk.toString().split('\n')[0].toString().trim().split(' ');
var result = (function(diff) {
var table = [0,1,2,3,2,1,2,3,3,2];
return ~~(diff / 10) + table[diff % 10];
}(Math.abs(lines[1] - lines[0])));
console.log(result);
});
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