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pta 天梯赛 L1-050 倒数第N个字符串 （15 分） hdu 1028 Ignatius and the Princess III CodeCraft-19 and Codeforces Round #537 (Div. 2) B. Average Superhero Gang Power CodeCraft-19 and Codeforces Round #537 (Div. 2) A - Superhero Transformation pat 1136 A Delayed Palindrome PAT 1004 Counting Leaves（结构体） D - Decrease (Contestant ver.) AtCoder - 2661
pta 天梯赛 L1-050 倒数第N个字符串 （15 分）
hdu 1028 Ignatius and the Princess III
CodeCraft-19 and Codeforces Round #537 (Div. 2) B. Average Superhero Gang Power
CodeCraft-19 and Codeforces Round #537 (Div. 2) A - Superhero Transformation
pat 1136 A Delayed Palindrome
PAT 1004 Counting Leaves（结构体）
D - Decrease (Contestant ver.) AtCoder - 2661