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2 Commits

Author SHA1 Message Date
4e6373ac46 vault backup: 2026-02-03 18:36:59 2026-02-03 18:36:59 +08:00
1859a0eb18 vault backup: 2026-02-03 18:06:58 2026-02-03 18:06:58 +08:00
4 changed files with 26 additions and 55 deletions

View File

@@ -36,23 +36,9 @@
"icon": "lucide-file", "icon": "lucide-file",
"title": "2026-2-3 周二" "title": "2026-2-3 周二"
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"title": "CQ2605",
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@@ -119,12 +105,13 @@
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"icon": "lucide-list", "icon": "lucide-list",
"title": "大纲" "title": "2026-2-3 周二 的大纲"
} }
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@@ -275,10 +262,12 @@
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"Diary/2026-2/2026-2-3 周二.md",
"Collection/KMP算法.md",
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"YueQian/Homework/~$2数组与指针作业.doc", "YueQian/Homework/~$2数组与指针作业.doc",
"Diary/2026-2/2026-2-2 周一.md", "Diary/2026-2/2026-2-2 周一.md",
@@ -299,7 +288,6 @@
"Diary/2026-1/2026-1-20 周二.md", "Diary/2026-1/2026-1-20 周二.md",
"Diary/2026-1/2026-1-19 周一.md", "Diary/2026-1/2026-1-19 周一.md",
"Diary/2026-1/2026-1-31 周六.md", "Diary/2026-1/2026-1-31 周六.md",
"YueQian/Homework/~$数组3.docx",
"Diary/2026-1/2026-1-30 周五.md", "Diary/2026-1/2026-1-30 周五.md",
"YueQian/Homework/1-29作业.md", "YueQian/Homework/1-29作业.md",
"YueQian/Homework/1.19-已完成.md", "YueQian/Homework/1.19-已完成.md",
@@ -311,7 +299,6 @@
"Diary/2026-1/2026-1-28 周三.md", "Diary/2026-1/2026-1-28 周三.md",
"Collection/连~都忘记了的小知识.md", "Collection/连~都忘记了的小知识.md",
"Excalidraw/Drawing 20260122.md", "Excalidraw/Drawing 20260122.md",
"Collection/KMP算法.md",
"Diary/2026-1/2026-1-27 周二.md", "Diary/2026-1/2026-1-27 周二.md",
"Diary/2026-1/2026-1-26 周一.md", "Diary/2026-1/2026-1-26 周一.md",
"Diary/2026-1/2026-1-25 周日.md", "Diary/2026-1/2026-1-25 周日.md",

View File

@@ -23,27 +23,18 @@ KMP算法的时间复杂度为O(n+m)其中n是主串的长度m是模式串
```c ```c
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
// 函数原型声明 // 函数原型声明
void computeLPSArray(char *pat, int M, int *lps); void computeLPSArray(char *pat, int M, int *lps);
void KMPSearch(char *pat, char *txt); void KMPSearch(char *pat, char *txt);
int main() { int main() {
char text[] = "ABABDABACDABABCABAB"; char text[] = "ABABDABACDABABCABAB";
char pattern[] = "ABABCABAB"; char pattern[] = "ABABCABAB";
printf("Text: %s\n", text); printf("Text: %s\n", text);
printf("Pattern: %s\n", pattern); printf("Pattern: %s\n", pattern);
KMPSearch(pattern, text); KMPSearch(pattern, text);
return 0; return 0;
} }
@@ -60,25 +51,27 @@ int i = 1;
while (i < M) { while (i < M) {
if (pat[i] == pat[len]) { if (pat[i] == pat[len]) {
len++; len++;
lps[i] = len; lps[i] = len;
i++; i++;
} else { }
else {
if (len != 0) { if (len != 0) {
len = lps[len - 1]; len = lps[len - 1];
} else { }
else {
lps[i] = 0; lps[i] = 0;
i++; i++;
} }
@@ -117,25 +110,16 @@ i++;
} }
if (j == M) { if (j == M) {
printf("Pattern found at index %d \n", i - j);
printf("Pattern found at index %d \n", i - j); j = lps[j - 1];
}
j = lps[j - 1]; else if (i < N && pat[j] != txt[i]) {
if (j != 0)
} else if (i < N && pat[j] != txt[i]) { j = lps[j - 1];
if (j != 0)
j = lps[j - 1];
else else
i = i + 1;
i = i + 1;
} }
} }
} }
``` ```