22 lines
511 B
Plaintext
22 lines
511 B
Plaintext
func days[y: i64, m: i64] : i64
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if m == 2
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if (((y % 4 == 0) & (y % 100 != 0)) | (y % 400 == 0))
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return 29
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else
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return 28
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else if (m == 4) | (m == 6) | (m == 9) | (m == 11)
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return 30
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else
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return 31
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func main[] : i64
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let wday: i64 = 0
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let sun: i64 = 0
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for year in 1901..2001
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for mon in 1..13
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if wday == 5
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sun = sun + 1
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wday = (wday + days(year, mon)) % 7
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io.println_i64(sun) |