1285 確定比賽名次
2094 產生冠軍
2647 Reward
3342 Legal or Not
1811 Rank of Tetris 拓撲+並查集
3231 Box Relations 三維拓撲
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【POJ】
1094 Sorting It All Out Floyd+拓撲
2367 Genealogical tree
3660 Cow Contest
3687 Labeling Balls 神奇的拓撲
1128 Frame Stacking DFS版拓撲
1270 Following Orders 拓撲+回溯
1420 Spreadsheet 模擬拓撲
2762 Going from u to v or from v to u? 強連通+拓撲
3553 Task schedule