洛谷 - P2921luogu-P2921.cpp // Author : ysh // 2025/07/20 Sun 07:52:47 // https://www.luogu.com.cn/problem/P2921 #include<bits/stdc++.h> using namespace std; #include<slow> int main() { i

洛谷 - P1939luogu-P1939.cpp // Author : ysh // 2025/07/18 Fri 21:53:35 // https://www.luogu.com.cn/problem/P1939 #include<bits/stdc++.h> using namespace std; #include<slow> #include<square> #de

洛谷 - P3390luogu-P3390.cpp // Author : ysh // 2025/07/18 Fri 21:47:02 // https://www.luogu.com.cn/problem/P3390 #include<bits/stdc++.h> using namespace std; #include<slow> #include<square> int

洛谷 - P2661luogu-P2661.cpp // Author : ysh // 2025/07/18 Fri 21:14:46 // https://www.luogu.com.cn/problem/P2661 #include<bits/stdc++.h> using namespace std; #include<slow> // vc<int>color; //

Codeforces - Friends-and-SubsequencesFriends-and-Subsequences.cpp // Author : ysh // 2025/06/27 Fri 00:02:39 // https://codeforces.com/contest/689/problem/D #include<bits/stdc++.h> using namespace

Codeforces - Mike-and-ShortcutsMike-and-Shortcuts.cpp // Author : ysh // 2025/06/26 Thu 23:38:46 // https://codeforces.com/contest/689/problem/B #include<bits/stdc++.h> using namespace std; #includ

Zerojudge解題紀錄 q839. 4. 分組遊戲 - 高中生程式解題系統Zerojudge-q839.cpp // Author : ysh // 2025/06/18 Wed 18:24:07 #include<bits/stdc++.h> using namespace std; #include<fast> #includ

Codeforces - Gellyfish-and-Flaming-Peony-2Gellyfish-and-Flaming-Peony-2.cpp // Author : ysh // 2025/06/06 Fri 09:47:24 // https://codeforces.com/contest/2116/problem/C #include<bits/stdc++.h> using

D - Small MultipleSmall-Multiple.cpp // Author : ysh // 2025/05/22 Thu 10:28:37 // https://atcoder.jp/contests/arc084/tasks/arc084_b #include<bits/stdc++.h> using namespace std; int main() {

洛谷 - Jumping-MachineJumping-Machine.cpp // Author : ysh // 2025/05/21 Wed 23:30:29 // https://www.luogu.com.cn/problem/P3403 #include<bits/stdc++.h> using namespace std; #include<slow> #define i