Thraix
62 lines
1.2 KiB
C++
62 lines
1.2 KiB
C++
#include "common/aoc.h"
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namespace y2016::day05
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{
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REGISTER_DAY(2016, Day05, std::string, std::string);
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REGISTER_TEST(2016, Day05, Input, 1, "f97c354d");
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REGISTER_TEST(2016, Day05, Input, 2, "863dde27");
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READ_INPUT(input)
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{
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std::string str;
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getline(input, str);
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return str;
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}
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OUTPUT1(input)
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{
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int i = 0;
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std::string result;
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while (true)
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{
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std::string str = input + std::to_string(i);
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std::string s = Md5::Hash(str);
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if (Helper::StartsWith(s, "00000"))
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{
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result.push_back(s[5]);
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if (result.size() == 8)
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return result;
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}
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i++;
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}
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return "";
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}
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OUTPUT2(input)
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{
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int i = 0;
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std::string result{"XXXXXXXX"};
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int replacements = 0;
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for (int i = 0;; i++)
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{
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std::string str = input + std::to_string(i);
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std::string s = Md5::Hash(str);
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if (Helper::StartsWith(s, "00000"))
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{
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if (s[5] < '0' || s[5] > '7')
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continue;
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if (result[s[5] - '0'] == 'X')
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{
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result[s[5] - '0'] = s[6];
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replacements++;
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}
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if (replacements == 8)
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return result;
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}
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}
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return "";
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}
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}
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