Codeforces Round #454 (Div. 2, based on Technocup 2018 Elimination Round 4) B
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按照题目来就可以了,注意九个小块的分组。
#include <iostream>#include <string>using namespace std;struct ttt{ string str[4];}t[4][4];int main(){ std::ios::sync_with_stdio(false); int i,j,k,q,flag=1,a,b; for(i=1;i<=3;i++){ for(j=0;j<3;j++){ for(k=1;k<=3;k++)cin>>t[i][k].str[j]; } } cin>>a>>b;a%=3;b%=3;if(a==0)a=3;if(b==0)b=3; for(i=0;i<3;i++){ for(j=0;j<3;j++){ if(t[a][b].str[i][j]=='.'){ flag=0; t[a][b].str[i][j]='!'; } } } for(i=1;i<=3;i++){ for(j=0;j<3;j++){ for(k=1;k<=3;k++){ for(q=0;q<3;q++){ if(t[i][k].str[j][q]=='.'){ if(flag==0)cout<<'.'; else cout<<'!'; }else cout<<t[i][k].str[j][q]; } if(k<3)cout<<" "; } cout<<endl; } cout<<endl; }}
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