misc changes.

ProjectEuler/p004_LargestPalindromeProduct.cpp

@@ -1,24 +0,0 @@
-/* Check cf5-opt.vim defs.
-VIM: let g:lcppflags="-std=c++11 -O2 -pthread"
-VIM: let g:wcppflags="/O2 /EHsc /DWIN32"
-*/
-#include <iostream>
-
-/*
-Largest palindrome product
-Problem 4
-
-A palindromic number reads the same both ways. The largest palindrome made
-from the product of two 2-digit numbers is 9009 = 91 x 99.
-
-Find the largest palindrome made from the product of two 3-digit numbers.
-
-Solution:
-*/
-
-int main ( void )
-{
-
-	return 0;
-}
-

ProjectEuler/p004_LargestPalindromeProduct.py

@@ -0,0 +1,11 @@
+#Largest palindrome product
+#Problem 4
+#
+#A palindromic number reads the same both ways. The largest palindrome made
+#from the product of two 2-digit numbers is 9009 = 91 x 99.
+#
+#Find the largest palindrome made from the product of two 3-digit numbers.
+#
+#Solution:
+#
+

ProjectEuler/p009_SpecialPythagoreanTriplet.py

@@ -1,8 +1,3 @@
-#
-#VIM: let g:lcppflags="-std=c++11 -O2 -pthread"
-#VIM: let g:wcppflags="/O2 /EHsc /DWIN32"
-#
-
 #
 #Special Pythagorean triplet
 #Problem 9

ProjectEuler/p011_LargestProductInAGrid.py

@@ -1,46 +1,35 @@
-/* Check cf5-opt.vim defs.
+#Largest product in a grid
-VIM: let g:lcppflags="-std=c++11 -O2 -pthread"
+#Problem 11
-VIM: let g:wcppflags="/O2 /EHsc /DWIN32"
+#
-*/
+#In the 20x20 grid below, four numbers along a diagonal line have
-#include <iostream>
+#been marked in red.
+#
+#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
+#The product of these numbers is 26 * 63 *78 * 14 = 1788696.
+#
+#What is the greatest product of four adjacent numbers in the same
+#direction (up, down, left, right, or diagonally) in the 20×20 grid?
+#
+#Solution:
+#
 
-/*
-Largest product in a grid
-Problem 11
-
-In the 20x20 grid below, four numbers along a diagonal line have been marked in red.
-
-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
-The product of these numbers is 26 * 63 *78 * 14 = 1788696.
-
-What is the greatest product of four adjacent numbers in the same direction (up, down, left, right, or diagonally) in the 20×20 grid?
-
-Solution:
-*/
-
-int main ( void )
-{
-
-	std::cout << s << std::endl;
-	return 0;
-}
 

ProjectEuler/p012_HighlyDivisibleTriangularNumber.py

@@ -1,36 +1,33 @@
-/* Check cf5-opt.vim defs.
+#Highly divisible triangular number
-VIM: let g:lcppflags="-std=c++11 -O2 -pthread"
+#Problem 12
-VIM: let g:wcppflags="/O2 /EHsc /DWIN32"
+#
-*/
+#The sequence of triangle numbers is generated by adding the natural numbers.
-#include <iostream>
+#So the 7th triangle number would be 1 + 2 + 3 + 4 + 5 + 6 + 7 = 28. The first
+#ten terms would be:
+#
+#1, 3, 6, 10, 15, 21, 28, 36, 45, 55, ...
+#
+#Let us list the factors of the first seven triangle numbers:
+#
+# 1: 1
+# 3: 1,3
+# 6: 1,2,3,6
+#10: 1,2,5,10
+#15: 1,3,5,15
+#21: 1,3,7,21
+#28: 1,2,4,7,14,28
+#We can see that 28 is the first triangle number to have over five divisors.
+#
+#What is the value of the first triangle number to have over five hundred
+#divisors?
+#
+#Solution:
+#
 
-/*
-Highly divisible triangular number
-Problem 12
 
-The sequence of triangle numbers is generated by adding the natural numbers. So the 7th triangle number would be 1 + 2 + 3 + 4 + 5 + 6 + 7 = 28. The first ten terms would be:
+iiiiiiiiiiiiiiiiii
-
+kjk
-1, 3, 6, 10, 15, 21, 28, 36, 45, 55, ...
+jkj
-
+kjkj
-Let us list the factors of the first seven triangle numbers:
+j
-
- 1: 1
- 3: 1,3
- 6: 1,2,3,6
-10: 1,2,5,10
-15: 1,3,5,15
-21: 1,3,7,21
-28: 1,2,4,7,14,28
-We can see that 28 is the first triangle number to have over five divisors.
-
-What is the value of the first triangle number to have over five hundred divisors?
-
-Solution:
-*/
-
-int main ( void )
-{
-
-	return 0;
-}