initial commit

sdk/software/examples/fireye/C0/C0.c

@@ -0,0 +1,74 @@
+//BSP板级支持包所需全局变量
+unsigned long UART_BASE = 0xbfe001e0;					//UART16550的虚地址
+unsigned long CONFREG_UART_BASE = 0xbfafff10;			//CONFREG模拟UART的虚地址
+unsigned long CONFREG_TIMER_BASE = 0xbfafe000;			//CONFREG计数器的虚地址
+unsigned long CONFREG_CLOCKS_PER_SEC = 100000000L;		//CONFREG时钟频率
+unsigned long CORE_CLOCKS_PER_SEC = 33000000L;			//处理器核时钟频率
+
+int C0_n = 2, A = 50, C0_m = 2, B = 50;
+char C0_data0[50][3] = {"of", "to", "in", "is", "it", "on", "be", "as", "at", "by", "he", "or", "an", "we", "up", "so", "if", "do", "no", "me", "my", "go", "er", "us", "am", "oh", "de", "mm", "et", "al", "la", "ah", "ha", "eh", "ad", "ya", "en", "re", "ye", "ex", "yo", "ma", "na", "ta", "ed", "sh", "ho", "um", "em", "un"};
+char C0_data1[50][3] = {"lo", "wo", "hi", "li", "ti", "ne", "ba", "pa", "si", "id", "mi", "mo", "fe", "el", "ox", "ab", "ar", "es", "ow", "pe", "bo", "oi", "op", "fa", "uh", "bi", "pi", "mu", "hm", "ay", "xi", "ki", "nu", "os", "aa", "ai", "ag", "ae", "ut", "aw", "oy", "ka", "ax", "od", "qi", "om", "jo", "za", "ef", "oe"};
+
+#define LOOP 2
+
+#include <stdio.h>
+
+#define N 100
+
+int mpN[6][6], mpM[6][6];
+int ans;
+
+struct Trie {
+    int ch[N][26];
+    int tot;
+} t[2] = {{{1}, 0}, {{1}, 0}};
+
+void insert(struct Trie *t, char *s) {
+    int x = 0;
+    for (int i = 0; s[i] != '\0'; i++) {
+        if (!t->ch[x][s[i] - 'a'])
+            t->ch[x][s[i] - 'a'] = ++t->tot;
+        x = t->ch[x][s[i] - 'a'];
+    }
+}
+
+void dfs(int x, int y) {
+    if (x == C0_n + 1) {
+        ++ans;
+        return;
+    }
+    for (int i = 0; i < 26; i++) {
+        int lastN = mpN[x - 1][y], lastM = mpM[x][y - 1];
+        int nx = t[0].ch[lastN][i], ny = t[1].ch[lastM][i];
+        if (!(nx && ny)) continue;
+        mpN[x][y] = nx;
+        mpM[x][y] = ny;
+
+        nx = x, ny = y + 1;
+        if (ny > C0_m) ++nx, ny = 1;
+        dfs(nx, ny);
+    }
+}
+
+void run() {
+    for (int i = 0; i < A; i++) {
+        insert(&t[0], C0_data0[i]);
+    }
+    for (int i = 0; i < B; i++) {
+        insert(&t[1], C0_data1[i]);
+    }
+    for (int i = 0; i < LOOP; i++) {
+        ans = 0;
+        dfs(1, 1);
+    }
+}
+
+int main() {
+    t[0].ch[0][0] = 0;
+    t[1].ch[0][0] = 0;
+
+    run();
+    printf("%d\n", ans);
+
+    return (ans == 62) ? 0 : 1;
+}