Submission #1791276

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Source Code Expand

import std.stdio;
import std.string;
import std.conv;
import std.bigint;
import std.typecons;
import std.algorithm;
import std.array;
import std.math;
import std.range;
 
void main() {
    auto R = readln.chomp.to!real;
    auto G = readln.chomp.to!real;
    writeln(G * 2 - R);
}

Submission Info

Judge Result