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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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6
Task/Five-weekends/R/five-weekends.r Normal file
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ms = as.Date(sapply(c(1, 3, 5, 7, 8, 10, 12),
function(month) paste(1900:2100, month, 1, sep = "-")))
ms = format(sort(ms[weekdays(ms) == "Friday"]), "%b %Y")
message("There are ", length(ms), " months with five weekends.")
message("The first five: ", paste(ms[1:5], collapse = ", "))
message("The last five: ", paste(tail(ms, 5), collapse = ", "))