usaco Combination Lock

w我不知道咋回事思路不清晰这题前面不知道在写什么。没什么好说的枚举就行了。

/*ID: jinbo wuLANG: C++TASK: combo*/#include<bits/stdc++.h>using namespace std;int a[2][3];int n;bool judge(int f,int c,int i){if(min((i-a[f][c]+n)%n,(a[f][c]-i+n)%n)<3)return true;if(min((i-a[f][c]+n)%n,(a[f][c]-i+n)%n)<3)return true;if(min((i-a[f][c]+n)%n,(a[f][c]-i+n)%n)<3)return true;return false;} int main(){int cnt=0;int flag=0;freopen("combo.in","r",stdin);freopen("combo.out","w",stdout);scanf("%d",&n);scanf("%d %d %d",&a[0][0],&a[0][1],&a[0][2]);scanf("%d %d %d",&a[1][0],&a[1][1],&a[1][2]);for(int i=1;i<=n;i++)for(int j=1;j<=n;j++)for(int k=1;k<=n;k++){if(judge(0,0,i)&&judge(0,1,j)&&judge(0,2,k)){cnt++;flag=1;}   if(judge(1,0,i)&&judge(1,1,j)&&judge(1,2,k)&&!flag){cnt++;}flag=0;}printf("%d\n",cnt);}