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[暑假集训--数论]poj1365 Prime Land

[暑假集训--数论]poj2034 Anti-prime Sequences

[暑假集训--数论]poj2657 Comfort

cf671B Robin Hood

[暑假集训--数位dp]UESTC250 windy数

[暑假集训--数位dp]hdu5787 K-wolf Number

[暑假集训--数位dp]LightOJ1140 How Many Zeroes?

[暑假集训--数位dp]LightOj1032 Fast Bit Calculations

[暑假集训--数位dp]cf55D Beautiful numbers

[暑假集训--数位dp]hdu5898 odd-even number