2. 숫자구슬: https://www.acmicpc.net/problem/2613
3. 랜선 자르기: https://www.acmicpc.net/problem/1654
4. 게임: https://www.acmicpc.net/problem/1072
5. K번째 수: https://www.acmicpc.net/problem/1300
6. 나무 자르기: https://www.acmicpc.net/problem/2805
7. 차이를 최소로: https://www.acmicpc.net/problem/3090
8. 보석 줍기: https://www.acmicpc.net/problem/2102
9. 중량제한: https://www.acmicpc.net/problem/1939
A. 경비행기: https://www.acmicpc.net/problem/2585
B. 입국심사: https://www.acmicpc.net/problem/3079


맞는지 확인하느라 좀 걸림