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| 1 | +# UVa Online Judge Problems |
| 2 | + |
| 3 | + Problem | Title | Solution | |
| 4 | + ------- | ----- | -------- | |
| 5 | +| 1 | Multiples of 3 and 5 | [Python](../projecteuler/python/p001.py) [C](../projecteuler/c/p001.c) [R](../projecteuler/r/p001.R) |
| 6 | +| 2 | Even Fibonacci numbers | [Python](../projecteuler/python/p002.py) [C](../projecteuler/c/p002.c) [R](../projecteuler/r/p002.R) |
| 7 | +| 3 | Largest prime factor | [Python](../projecteuler/python/p003.py) [C](../projecteuler/c/p003.c) [R](../projecteuler/r/p003.R) |
| 8 | +| 4 | Largest palindrome product | [Python](../projecteuler/python/p004.py) [C](../projecteuler/c/p003.c) |
| 9 | +| 5 | Smallest multiple | [Python](../projecteuler/python/p005.py) |
| 10 | +| 6 | Sum square difference | [Python](../projecteuler/python/p006.py) |
| 11 | +| 7 | 10001st prime | [Python](../projecteuler/python/p007.py) |
| 12 | +| 8 | Largest product in a series | [Python](../projecteuler/python/p008.py) |
| 13 | +| 9 | Special Pythagorean triplet | [Python](../projecteuler/python/p009.py) |
| 14 | +| 10 | Summation of primes | [Python](../projecteuler/python/p010.py) |
| 15 | +| 11 | Largest product in a grid | [Python](../projecteuler/python/p011.py) |
| 16 | +| 12 | Highly divisible triangular number | [Python](../projecteuler/python/p012.py) |
| 17 | +| 13 | Large sum | [Python](../projecteuler/python/p013.py) |
| 18 | +| 14 | Longest Collatz sequence | [Python](../projecteuler/python/p014.py) |
| 19 | +| 15 | Lattice paths | [Python](../projecteuler/python/p015.py) |
| 20 | +| 16 | Power digit sum | [Python](../projecteuler/python/p016.py) |
| 21 | +| 17 | Number letter counts | [Python](../projecteuler/python/p017.py) |
| 22 | +| 18 | Maximum path sum I | [Python](../projecteuler/python/p018.py) |
| 23 | +| 19 | Counting Sundays | [Python](../projecteuler/python/p019.py) |
| 24 | +| 20 | Factorial digit sum | [Python](../projecteuler/python/p020.py) |
| 25 | +| 21 | Amicable numbers | [Python](../projecteuler/python/p021.py) |
| 26 | +| 22 | Names scores | [Python](../projecteuler/python/p022.py) |
| 27 | +| 23 | Non-abundant sums | [Python](../projecteuler/python/p023.py) |
| 28 | +| 24 | Lexicographic permutations | [Python](../projecteuler/python/p024.py) |
| 29 | +| 25 | 1000-digit Fibonacci number | [Python](../projecteuler/python/p025.py) |
| 30 | +| 26 | Reciprocal cycles | [Python](../projecteuler/python/p026.py) |
| 31 | +| 27 | Quadratic primes | [Python](../projecteuler/python/p027.py) |
| 32 | +| 28 | Number spiral diagonals | [Python](../projecteuler/python/p028.py) |
| 33 | +| 29 | Distinct powers | [Python](../projecteuler/python/p029.py) |
| 34 | +| 30 | Digit fifth powers | [Python](../projecteuler/python/p030.py) |
| 35 | +| 31 | Coin sums | [Python](../projecteuler/python/p031.py) |
| 36 | +| 32 | Pandigital products | [Python](../projecteuler/python/p032.py) |
| 37 | +| 33 | Digit cancelling fractions | [Python](../projecteuler/python/p033.py) |
| 38 | +| 34 | Digit factorials | [Python](../projecteuler/python/p034.py) |
| 39 | +| 35 | Circular primes | [Python](../projecteuler/python/p035.py) |
| 40 | +| 36 | Double-base palindromes | [Python](../projecteuler/python/p036.py) |
| 41 | +| 37 | Truncatable primes | [Python](../projecteuler/python/p037.py) |
| 42 | +| 38 | Pandigital multiples | [Python](../projecteuler/python/p038.py) |
| 43 | +| 39 | Integer right triangles | [Python](../projecteuler/python/p039.py) |
| 44 | +| 40 | Champernowne's constant | [Python](../projecteuler/python/p040.py) |
| 45 | +| 41 | Pandigital prime | [Python](../projecteuler/python/p041.py) |
| 46 | +| 42 | Coded triangle numbers | [Python](../projecteuler/python/p042.py) |
| 47 | +| 43 | Sub-string divisibility | [Python](../projecteuler/python/p043.py) |
| 48 | +| 44 | Pentagon numbers | [Python](../projecteuler/python/p044.py) |
| 49 | +| 45 | Triangular, pentagonal, and hexagonal | [Python](../projecteuler/python/p045.py) |
| 50 | +| 46 | Goldbach's other conjecture | [Python](../projecteuler/python/p046.py) |
| 51 | +| 47 | Distinct primes factors | [Python](../projecteuler/python/p047.py) |
| 52 | +| 48 | Self powers | [Python](../projecteuler/python/p048.py) |
| 53 | +| 49 | Prime permutations | [Python](../projecteuler/python/p049.py) |
| 54 | +| 50 | Consecutive prime sum | [Python](../projecteuler/python/p050.py) |
| 55 | +| 51 | Prime digit replacements | [Python](../projecteuler/python/p051.py) |
| 56 | +| 52 | Permuted multiples | [Python](../projecteuler/python/p052.py) |
| 57 | +| 53 | Combinatoric selections | [Python](../projecteuler/python/p053.py) |
| 58 | +| 54 | Poker hands | [Python](../projecteuler/python/p054.py) |
| 59 | +| 55 | Lychrel numbers | [Python](../projecteuler/python/p055.py) |
| 60 | +| 56 | Powerful digit sum | [Python](../projecteuler/python/p056.py) |
| 61 | +| 57 | Square root convergents | [Python](../projecteuler/python/p057.py) |
| 62 | +| 58 | Spiral primes | [Python](../projecteuler/python/p058.py) |
| 63 | +| 59 | XOR decryption | [Python](../projecteuler/python/p059.py) |
| 64 | +| 60 | Prime pair sets | [Python](../projecteuler/python/p060.py) |
| 65 | +| 61 | Cyclical figurate numbers | [Python](../projecteuler/python/p061.py) |
| 66 | +| 62 | Cubic permutations | [Python](../projecteuler/python/p062.py) |
| 67 | +| 63 | Powerful digit counts | [Python](../projecteuler/python/p063.py) |
| 68 | +| 64 | Odd period square roots | [Python](../projecteuler/python/p064.py) |
| 69 | +| 65 | Convergents of e | [Python](../projecteuler/python/p065.py) |
| 70 | +| 66 | Diophantine equation | [Python](../projecteuler/python/p066.py) |
| 71 | +| 67 | Maximum path sum II | [Python](../projecteuler/python/p067.py) |
| 72 | +| 68 | Magic 5-gon ring | [Python](../projecteuler/python/p068.py) |
| 73 | +| 69 | Totient maximum | [Python](../projecteuler/python/p069.py) |
| 74 | +| 70 | Totient permutation | [Python](../projecteuler/python/p070.py) |
| 75 | +| 71 | Ordered fractions | [Python](../projecteuler/python/p071.py) |
| 76 | +| 72 | Counting fractions | [Python](../projecteuler/python/p072.py) |
| 77 | +| 73 | Counting fractions in a range | [Python](../projecteuler/python/p073.py) |
| 78 | +| 74 | Digit factorial chains | [Python](../projecteuler/python/p074.py) |
| 79 | +| 75 | Singular integer right triangles | [Python](../projecteuler/python/p075.py) |
| 80 | +| 76 | Counting summations | [Python](../projecteuler/python/p076.py) |
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