#include using namespace std; int a[25][25]; long long b[25][25]; int n,m; void f(int x,int y) { a[x][y]=1; if(x-1>=0&&y-2>=0) a[x-1][y-2]=1; if(x-2>=0&&y+1<=m) a[x-2][y+1]=1; if(x-2>=0&&y-1>=0) a[x-2][y-1]=1; if(x+1<=n&&y+2<=m) a[x+1][y+2]=1; if(x-1>=0&&y+2<=m) a[x-1][y+2]=1; if(x+2<=n&&y-1>=0) a[x+2][y-1]=1; if(x+2<=n&&y+1<=m) a[x+2][y+1]=1; if(x+1<=n&&y-2>=0)
P1002过河卒最先出现在Python成神之路。
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