解こうとした問題のメモとかソースコードとか置いとこうかな

PKU

• /PKU 3045 Cow Acrobats

• /PKU 3685 Matrix

Project Euler

• /Project Euler 017 Number letter counts

• /Project Euler 018 Maximum path sum I

• /Project Euler 019 Counting Sundays

• /Project Euler 020 Factorial digit sum

• /Project Euler 021 Amicable numbers

• /Project Euler 022 Names scores

• /Project Euler 023 Non-abundant sums

• /Project Euler 024 Lexicographic permutations

• /Project Euler 025 1000-digit Fibonacci number

• /Project Euler 026 Reciprocal cycles

• /Project Euler 027 Quadratic primes

• /Project Euler 028 Number spiral diagonals

• /Project Euler 029 Distinct powers

• /Project Euler 030 Digit fifth powers

• /Project Euler 031 Coin sums

• /Project Euler 032 Pandigital products

• /Project Euler 033 Digit canceling fractions

• /Project Euler 034 Digit factorials

• /Project Euler 041 Pandigital prime

• /Project Euler 045 Triangular, pentagonal, and hexagonal