4 problems

  • 1
ID Problem Show tags Hide tags AC / Tried Difficulty
1967 KE090   字符图形1-星号矩形 20 / 27 3
1968 KE091   空心正方形 25 / 55 4
1969 KE092   等腰三角形 19 / 76 7
1970 KE093   平行四边形 20 / 46 5
  • 1

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