Submission #28122

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
281222017-07-15 11:22:30EyeOfSol (#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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#Verdict Execution timeMemoryGrader output
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