Codeforces 332C: Segment Treeを書こうとした
Codeforces 332C: Unsubmitted
Codeforces 214D: Accepted
Codeforces 205D: Accepted
Codeforces 203D: Accepted
Codeforces 202D: Accepted
Codeforces 195D: Wrong Answer
Codeforces 195D: Accepted
Codeforces 194D: Accepted
Codeforces 192D: Accepted