68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
#include <iostream>
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#include <fstream>
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#include <string>
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#include <vector>
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#include <iomanip>
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#include <boost/lexical_cast.hpp>
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#include <boost/algorithm/string.hpp>
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using std::cout;
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using std::endl;
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const int NumFlags = 24;
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int main()
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{
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std::fstream file("readings.txt");
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int badCount = 0;
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std::string badDate;
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int badCountMax = 0;
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while(true)
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{
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std::string line;
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getline(file, line);
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if(!file.good())
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break;
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std::vector<std::string> tokens;
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boost::algorithm::split(tokens, line, boost::is_space());
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if(tokens.size() != NumFlags * 2 + 1)
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{
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cout << "Bad input file." << endl;
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return 0;
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}
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double total = 0.0;
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int accepted = 0;
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for(size_t i = 1; i < tokens.size(); i += 2)
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{
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double val = boost::lexical_cast<double>(tokens[i]);
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int flag = boost::lexical_cast<int>(tokens[i+1]);
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if(flag > 0)
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{
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total += val;
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++accepted;
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badCount = 0;
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}
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else
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{
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++badCount;
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if(badCount > badCountMax)
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{
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badCountMax = badCount;
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badDate = tokens[0];
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}
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}
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}
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cout << tokens[0];
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cout << " Reject: " << std::setw(2) << (NumFlags - accepted);
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cout << " Accept: " << std::setw(2) << accepted;
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cout << " Average: " << std::setprecision(5) << total / accepted << endl;
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}
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cout << endl;
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cout << "Maximum number of consecutive bad readings is " << badCountMax << endl;
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cout << "Ends on date " << badDate << endl;
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}
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