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Data update

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Ingy döt Net 2023-07-22 21:42:12 -07:00
parent 9817d9b99b
commit 07c7092a52
140 changed files with 2712 additions and 241 deletions
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0
Task/Five-weekends/C++/five-weekends.cpp → Task/Five-weekends/C++/five-weekends-1.cpp
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Task/Five-weekends/C++/five-weekends-2.cpp Normal file
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#include <chrono>
#include <iostream>
#include <vector>
int main() {
const std::vector<std::chrono::month> long_months = { std::chrono::January, std::chrono::March,
std::chrono::May, std::chrono::July, std::chrono::August, std::chrono::October, std::chrono::December };
int month_count = 0;
int blank_years = 0;
for ( int y = 1900; y <= 2100; ++y ) {
bool blank_year = true;
for ( std::chrono::month m : long_months ) {
std::chrono::year_month_day first_of_month{std::chrono::year{y}, m, std::chrono::day{1}};
if ( std::chrono::weekday{first_of_month} == std::chrono::Friday ) {
std::cout << first_of_month.year() << " " << first_of_month.month() << std::endl;
month_count++;
blank_year = false;
}
}
if ( blank_year ) {
blank_years++;
}
}
std::cout << "Found " << month_count << " months with five Fridays, Saturdays and Sundays." << std::endl;
std::cout << "There were " << blank_years << " years with no such months." << std::endl;
}