20240418

2024-04-18 18:38:55 +08:00
parent bfcbb1996a
commit 4f8f929242
20 changed files with 3408 additions and 0 deletions
--- a/ACMOJ-1507.cpp
+++ b/ACMOJ-1507.cpp
@ -0,0 +1,28 @@
+#include <algorithm>
+#include <cstdio>
+#include <cstring>
+using namespace std;
+typedef long long LL;
+const int kMaxN = 1e6 + 10;
+char S[kMaxN], T[kMaxN];
+int nxt[kMaxN];
+int main() {
+#ifdef local
+  freopen("pro.in", "r", stdin);
+#endif
+  scanf("%s%s", S + 1, T + 1);
+  int len_T = strlen(T + 1);
+  for (int i = 2, j = 0; i <= len_T; i++) {
+    while (j > 0 && T[j + 1] != T[i]) j = nxt[j];
+    if (T[j + 1] == T[i]) j++;
+    nxt[i] = j;
+  }
+  int len_S = strlen(S + 1);
+  for (int i = 1, j = 0; i <= len_S; i++) {
+    while (j > 0 && (j == len_T || T[j + 1] != S[i])) j = nxt[j];
+    if (T[j + 1] == S[i]) j++;
+    if (j == len_T) printf("%d\n", i - len_T + 1);
+  }
+  for (int i = 1; i <= len_T; i++) printf("%d ", nxt[i]);
+  return 0;
+}