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93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
#include <array>
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#include <cstdint>
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#include <iostream>
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#include <string>
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int main()
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{
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uint64_t monkeys[10][100];
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int ms[10];
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int ic[10] = {};
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int idx = -1;
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std::string im;
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do {
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std::string line;
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std::getline(std::cin, line);
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if (!std::cin.eof()) {
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if (line.starts_with("Monkey")) {
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++idx;
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std::cout << "Monkey " << idx << "..." << std::endl;
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} else if (line.starts_with(" St")) {
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auto f = line.find_first_of("0123456789");
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line = line.substr(f);
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im += (char)stoi(line);
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auto g = line.find(',');
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while (g != std::string::npos) {
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line = line.substr(g);
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auto f = line.find_first_of("0123456789");
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line = line.substr(f);
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im += (char)stoi(line);
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g = line.find(',');
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}
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} else if (line.starts_with(" Op")) {
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auto f = line.find('=');
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char o = line[f + 6];
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char v = line[f + 8] == 'o' ? 0 : stoi(line.substr(f + 8));
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im = std::string() + v + o + im;
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} else if (!line.empty()) {
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auto f = line.find_first_of("0123456789");
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line = line.substr(f);
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im = std::string() + (char)stoi(line) + im;
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} else {
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int i = 0;
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for (auto c : im)
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monkeys[idx][i++] = c;
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ms[idx] = im.size();
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im.clear();
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}
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}
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} while (!std::cin.eof());
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uint64_t supermod = 1;
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for (int i = 0; i <= idx; ++i)
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supermod *= monkeys[i][2];
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for (int R = 0; R < 10000; ++R) {
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for (int i = 0; i <= idx; ++i) {
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auto s = monkeys[i];
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for (int j = 5; j < ms[i]; ++j) {
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auto worry = s[j] % supermod;
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auto o = s[3] != 0 ? s[3] : worry;
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if (s[4] == '*')
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worry = worry * o;
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if (s[4] == '+')
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worry += o;
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//worry /= 3;
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auto d = worry / s[2];
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auto k = worry == d * s[2] ? s[1] : s[0];
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monkeys[k][ms[k]++] = worry;
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}
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ic[i] += ms[i] - 5;
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ms[i] = 5;
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}
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}
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for (int q = 0; q <= idx; ++q) {
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std::cout << ic[q] << std::endl;
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}
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return 0;
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}
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