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답안 #27249

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
27249 2017-07-11T14:16:00 Z 검수컵(#1129) 이더리움과 비트코인 (FXCUP2_ethereum) C++
1 / 1
 0 ms 1120 KB 
#include "ethereum.h"
#include <stdio.h>

excinfo GetExchangePrice() {
	long long a = 100000000, b = a-1;
	excinfo p = Exchange(a);
	excinfo q = Exchange(b);
	// B * p.BTC + E * p.ETH = a
	// B * q.BTC + E * q.ETH = b
	excinfo ret;
	ret.BTC = (a*q.ETH - b*p.ETH) / (p.BTC * q.ETH - q.BTC * p.ETH);
	ret.ETH = (a*q.BTC - b*p.BTC) / (p.ETH * q.BTC - q.ETH * p.BTC);
	return ret;
}

Subtask #1
1.0 / 1.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 1120 KB Output is correct
2 Correct 0 ms 1120 KB Output is correct
3 Correct 0 ms 1120 KB Output is correct
4 Correct 0 ms 1120 KB Output is correct
5 Correct 0 ms 1120 KB Output is correct
6 Correct 0 ms 1120 KB Output is correct
7 Correct 0 ms 1120 KB Output is correct
8 Correct 0 ms 1120 KB Output is correct
9 Correct 0 ms 1120 KB Output is correct
10 Correct 0 ms 1120 KB Output is correct
11 Correct 0 ms 1120 KB Output is correct
12 Correct 0 ms 1120 KB Output is correct
13 Correct 0 ms 1120 KB Output is correct
14 Correct 0 ms 1120 KB Output is correct
15 Correct 0 ms 1120 KB Output is correct
16 Correct 0 ms 1120 KB Output is correct
17 Correct 0 ms 1120 KB Output is correct
18 Correct 0 ms 1120 KB Output is correct
19 Correct 0 ms 1120 KB Output is correct
20 Correct 0 ms 1120 KB Output is correct