Submission #28122

#TimeUsernameProblemLanguageResultExecution timeMemory
28122EyeOfSol (#71)The Ethereum and The Bitcoin (FXCUP2_ethereum)C++11
0 / 1
0 ms1120 KiB
#include "ethereum.h" #include <stdio.h> excinfo GetExchangePrice() { long long k = 100000000; excinfo A = Exchange(k); excinfo B = Exchange(k-1); excinfo ret; if ((B.BTC*A.ETH-A.BTC*B.ETH)) { ret.ETH = (k*B.BTC-(k-1)*A.BTC)/(B.BTC*A.ETH-A.BTC*B.ETH); if (A.BTC) ret.BTC = (k-A.ETH*ret.ETH)/A.BTC; else ret.BTC = (k-B.ETH*ret.ETH)/B.BTC; } else { ret.BTC = (k*B.ETH-(k-1)*A.ETH)/(B.ETH*A.BTC-A.ETH*B.BTC); if (A.ETH) ret.ETH = (k-A.BTC*ret.BTC)/A.ETH; else ret.ETH = (k-B.BTC*ret.BTC)/B.ETH; } return ret; }
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