2019 GDUT Winter Personal Training Contest I (Div. 2) A. Protect Sheep
2019GDUTWinterPersonalTrainingContestI(Div.2)A.ProtectSheep题目见:http://codeforces.com/group/NVaJtLaLjS/contest/236426/problem/A题目大意:一个长宽分别为R,C(#includeintmain(){intn,r,c,k,t,i,j,p;chars[550][550];scanf