105 lines
2.7 KiB
C++
105 lines
2.7 KiB
C++
#include <cstdio>
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#include <cstring>
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#include <iostream>
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using namespace std;
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const int MAX_N = 200 + 10;
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int Next[MAX_N];
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const char *str = "anniversary";
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char pat[MAX_N], pat_sub[MAX_N];
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char sub_1[MAX_N], sub_2[MAX_N], sub_3[MAX_N];
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void get_nextval(char *W, int Next[])
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{
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int i = 0, j = -1;
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int Len_W = strlen(W);
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Next[0] = -1;
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if (W[0] == '\0')
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return;
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while (i < Len_W)
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{
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if (j == -1 || W[i] == W[j])
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{
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++i;
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++j;
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Next[i] = j;
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} else
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j = Next[j];
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}
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}
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int KMP_Matcher(char T[], char P[], int Next[])
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{
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int i = 0, j = 0;
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int TLen = strlen(T);
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int PLen = strlen(P);
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if (TLen == 0)
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return -2;
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while (i < TLen && j < PLen)
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{
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if (j == -1 || T[i] == P[j])
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{
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i++;
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j++;
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} else
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j = Next[j];
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}
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if (j == PLen)
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return i - j;
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else
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return -1;
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}
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int main()
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{
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int case_times, len;
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scanf("%d", &case_times);
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len = strlen(str);
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while (case_times--)
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{
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int len_s;
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bool ans = false;
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scanf("%s", pat);
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strcpy(pat_sub, pat);
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len_s = strlen(pat);
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for (int i = 1; i < len; ++i)
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{
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if (ans)
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break;
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for (int j = i + 1; j < len; ++j)
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{
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int m_1, m_2, m_3;
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strncpy(sub_1, str, i);
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sub_1[i] = '\0';
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strncpy(sub_2, str + i, j - i);
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sub_2[j - i] = '\0';
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strncpy(sub_3, str + j, len - j);
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sub_3[len - j] = '\0';
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strcpy(pat_sub, pat);
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get_nextval(sub_1, Next);
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m_1 = KMP_Matcher(pat_sub, sub_1, Next);
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if (m_1 >= 0)
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{
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for (int k = 0; k <= len_s - i; ++k)
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pat_sub[k] = pat[m_1 + i + k];
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}
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get_nextval(sub_2, Next);
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m_2 = KMP_Matcher(pat_sub, sub_2, Next);
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if (m_2 >= 0)
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{
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for (int k = 0; k <= len_s - j; ++k)
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pat_sub[k] = pat_sub[m_2 + j - i + k];
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}
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get_nextval(sub_3, Next);
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m_3 = KMP_Matcher(pat_sub, sub_3, Next);
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if (m_1 >= 0 && m_2 >= 0 && m_3 >= 0)
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{
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ans = true;
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break;
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}
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}
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}
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if (ans)
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printf("YES\n");
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else
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printf("NO\n");
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}
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return 0;
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}
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