C - Takahashi Gets Lost 分析:数据小,暴力没什么好说的
int h,w,n;
string t;
char c[505][505];
int dx[4]{1,-1,0,0};
int dy[4]{0,0,1,-1};
int get(char c){if(cL)return 3;if(cU)return 1;if(cR)return 2;return 0;
}
int check(int x,int y,int …
参考文献:
[HS13] Halevi S, Shoup V. Design and implementation of a homomorphic-encryption library[J]. IBM Research (Manuscript), 2013, 6(12-15): 8-36.[BEHZ16] Bajard J C, Eynard J, Hasan M A, et al. A full RNS variant of FV like somewhat homomo…