
[理工] 100清大 計算機科學 第一題

大家好,想請問這題要怎麼寫
我卡住的地方有兩個
1. 他亂序給 perm(str, str+strlen(str)-1) 跟 perm(0,3)是一樣的意思嗎(排序陣列st
r[0]~str[3])
2. 他的輸出是 231,321,312,132,213,123要如何照個形式輸出呢?
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推
01/04 18:04, , 1F
01/04 18:04, 1F

→
01/04 18:06, , 2F
01/04 18:06, 2F
→
01/04 18:06, , 3F
01/04 18:06, 3F
→
01/04 18:07, , 4F
01/04 18:07, 4F
→
01/04 18:08, , 5F
01/04 18:08, 5F
→
01/04 18:09, , 6F
01/04 18:09, 6F
→
01/04 18:10, , 7F
01/04 18:10, 7F
→
01/04 18:10, , 8F
01/04 18:10, 8F
→
01/04 18:13, , 9F
01/04 18:13, 9F
→
01/04 18:13, , 10F
01/04 18:13, 10F
→
01/04 18:14, , 11F
01/04 18:14, 11F
→
01/04 18:15, , 12F
01/04 18:15, 12F
→
01/04 18:15, , 13F
01/04 18:15, 13F
→
01/04 18:16, , 14F
01/04 18:16, 14F
→
01/04 18:17, , 15F
01/04 18:17, 15F
→
01/04 18:18, , 16F
01/04 18:18, 16F
→
01/04 18:18, , 17F
01/04 18:18, 17F
→
01/04 18:19, , 18F
01/04 18:19, 18F
→
01/04 18:21, , 19F
01/04 18:21, 19F
→
01/04 18:21, , 20F
01/04 18:21, 20F
→
01/04 18:25, , 21F
01/04 18:25, 21F
→
01/04 18:25, , 22F
01/04 18:25, 22F
→
01/04 18:26, , 23F
01/04 18:26, 23F
→
01/04 19:44, , 24F
01/04 19:44, 24F
→
01/04 19:44, , 25F
01/04 19:44, 25F
推
01/04 22:07, , 26F
01/04 22:07, 26F