#include <stdio.h> #include <string.h>
char *str[] = {"从我做起振", "我做起振兴", "做起振兴中", "起振兴中华"}; char buffer[30]; int cnt = 0;
void search(char *pStr, int x = 0, int y = 0) { *pStr = str[y][x * 2]; *(pStr + 1) = str[y][x * 2 + 1]; if (x < 4) search(pStr + 2, x + 1, y); if (y < 3) search(pStr + 2, x, y + 1);
if (x == 4 && y == 3) { *(pStr + 2) = '\0'; if (strcmp(buffer, "从我做起振兴中华") == 0) cnt++; } }
int main(void) { search(buffer); printf("%d\n", cnt); return 0; }
答案:35
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