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Add Python solution to Problems 11 & 19 #27
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| import itertools | ||
|
|
||
| grid = [ | ||
| ["08", "02", "22", "97", "38", "15", "00", "40", "00", "75", "04", "05", "07", "78", "52", "12", "50", "77", "91", "08"], | ||
| ["49", "49", "99", "40", "17", "81", "18", "57", "60", "87", "17", "40", "98", "43", "69", "48", "04", "56", "62", "00"], | ||
| ["81", "49", "31", "73", "55", "79", "14", "29", "93", "71", "40", "67", "53", "88", "30", "03", "49", "13", "36", "65"], | ||
| ["52", "70", "95", "23", "04", "60", "11", "42", "69", "24", "68", "56", "01", "32", "56", "71", "37", "02", "36", "91"], | ||
| ["22", "31", "16", "71", "51", "67", "63", "89", "41", "92", "36", "54", "22", "40", "40", "28", "66", "33", "13", "80"], | ||
| ["24", "47", "32", "60", "99", "03", "45", "02", "44", "75", "33", "53", "78", "36", "84", "20", "35", "17", "12", "50"], | ||
| ["32", "98", "81", "28", "64", "23", "67", "10", "26", "38", "40", "67", "59", "54", "70", "66", "18", "38", "64", "70"], | ||
| ["67", "26", "20", "68", "02", "62", "12", "20", "95", "63", "94", "39", "63", "08", "40", "91", "66", "49", "94", "21"], | ||
| ["24", "55", "58", "05", "66", "73", "99", "26", "97", "17", "78", "78", "96", "83", "14", "88", "34", "89", "63", "72"], | ||
| ["21", "36", "23", "09", "75", "00", "76", "44", "20", "45", "35", "14", "00", "61", "33", "97", "34", "31", "33", "95"], | ||
| ["78", "17", "53", "28", "22", "75", "31", "67", "15", "94", "03", "80", "04", "62", "16", "14", "09", "53", "56", "92"], | ||
| ["16", "39", "05", "42", "96", "35", "31", "47", "55", "58", "88", "24", "00", "17", "54", "24", "36", "29", "85", "57"], | ||
| ["86", "56", "00", "48", "35", "71", "89", "07", "05", "44", "44", "37", "44", "60", "21", "58", "51", "54", "17", "58"], | ||
| ["19", "80", "81", "68", "05", "94", "47", "69", "28", "73", "92", "13", "86", "52", "17", "77", "04", "89", "55", "40"], | ||
| ["04", "52", "08", "83", "97", "35", "99", "16", "07", "97", "57", "32", "16", "26", "26", "79", "33", "27", "98", "66"], | ||
| ["88", "36", "68", "87", "57", "62", "20", "72", "03", "46", "33", "67", "46", "55", "12", "32", "63", "93", "53", "69"], | ||
| ["04", "42", "16", "73", "38", "25", "39", "11", "24", "94", "72", "18", "08", "46", "29", "32", "40", "62", "76", "36"], | ||
| ["20", "69", "36", "41", "72", "30", "23", "88", "34", "62", "99", "69", "82", "67", "59", "85", "74", "04", "36", "16"], | ||
| ["20", "73", "35", "29", "78", "31", "90", "01", "74", "31", "49", "71", "48", "86", "81", "16", "23", "57", "05", "54"], | ||
| ["01", "70", "54", "71", "83", "51", "54", "69", "16", "92", "33", "48", "61", "43", "52", "01", "89", "19", "67", "48"] | ||
| ] | ||
|
|
||
| for i, j in itertools.product(range(20), range(20)): | ||
| grid[i][j] = int(grid[i][j]) | ||
|
|
||
| greatest_product = 0 | ||
| for i, j in itertools.product(range(20), range(20)): | ||
| try: # horizontally | ||
| temp_product = grid[i][j] * grid[i][j + 1] * grid[i][j + 2] * grid[i][j + 3] | ||
| except: | ||
| pass | ||
| if temp_product > greatest_product: | ||
| greatest_product = temp_product | ||
|
|
||
| try: # vertically | ||
| temp_product = grid[i][j] * grid[i + 1][j] * grid[i + 2][j] * grid[i + 3][j] | ||
| except: | ||
| pass | ||
| if temp_product > greatest_product: | ||
| greatest_product = temp_product | ||
|
|
||
| try: # diagonally from upper left to lower right | ||
| temp_product = grid[i][j] * grid[i + 1][j + 1] * grid[i + 2][j + 2] * grid[i + 3][j + 3] | ||
| except: | ||
| pass | ||
| if temp_product > greatest_product: | ||
| greatest_product = temp_product | ||
|
|
||
| try: # diagonally from lower left to upper right | ||
| temp_product = grid[i][j] * grid[i + 1][j - 1] * grid[i + 2][j - 2] * grid[i + 3][j - 3] | ||
| except: | ||
| pass | ||
| if temp_product > greatest_product:- | ||
| greatest_product = temp_product | ||
|
|
||
| print(greatest_product) | ||
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| from datetime import date | ||
|
|
||
| count_sundays = 0 | ||
|
|
||
| for year in range(1901, 2001): | ||
| for month in range(1, 13): | ||
| if date(year, month, 1).weekday() == 6: | ||
| count_sundays += 1 | ||
|
|
||
| print(count_sundays) |
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A bug in the 56th line. Please fix this.