#include<iostream>
#include<string>
#include<vector>
using namespace std;
int n,m;
vector<string>tab;
vector<string>res;
bool row_check(){
for(int i = 0;i<n;++i){
char found_color='.';
for(int j = 0;j<m;++j){
if(found_color=='.' && tab[i][j]!='.'){
found_color=tab[i][j];
continue;
}
if(found_color!=tab[i][j] && found_color!='.' && tab[i][j]!='.'){
found_color='.';
break;
}
}
if(found_color!='.'){
for(int j = 0;j<m;++j){
tab[i][j]='.';
}
res.push_back("R "+to_string(i+1)+" "+found_color+"\n");
return true;
}
}
return false;
}
bool col_check(){
for(int j = 0;j<m;++j){
char found_color='.';
for(int i = 0;i<n;++i){
if(found_color=='.' && tab[i][j]!='.'){
found_color=tab[i][j];
continue;
}
if(found_color!=tab[i][j] && found_color!='.' && tab[i][j]!='.'){
found_color='.';
break;
}
}
if(found_color!='.'){
for(int i = 0;i<n;++i){
tab[i][j]='.';
}
res.push_back("K "+to_string(j+1)+" "+found_color+"\n");
return true;
}
}
return false;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
string s;
cin>>n>>m;
tab.resize(n);
for(int i = 0;i<n;++i){
cin>>tab[i];
}
for(int i = 0;i<n+m;++i){
if(row_check()){
continue;
}
if(col_check()){
continue;
}
break;
}
cout<<res.size()<<"\n";
for(int i = res.size()-1;i>=0;--i){
cout<<res[i];
}
return 0;
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | #include<iostream> #include<string> #include<vector> using namespace std; int n,m; vector<string>tab; vector<string>res; bool row_check(){ for(int i = 0;i<n;++i){ char found_color='.'; for(int j = 0;j<m;++j){ if(found_color=='.' && tab[i][j]!='.'){ found_color=tab[i][j]; continue; } if(found_color!=tab[i][j] && found_color!='.' && tab[i][j]!='.'){ found_color='.'; break; } } if(found_color!='.'){ for(int j = 0;j<m;++j){ tab[i][j]='.'; } res.push_back("R "+to_string(i+1)+" "+found_color+"\n"); return true; } } return false; } bool col_check(){ for(int j = 0;j<m;++j){ char found_color='.'; for(int i = 0;i<n;++i){ if(found_color=='.' && tab[i][j]!='.'){ found_color=tab[i][j]; continue; } if(found_color!=tab[i][j] && found_color!='.' && tab[i][j]!='.'){ found_color='.'; break; } } if(found_color!='.'){ for(int i = 0;i<n;++i){ tab[i][j]='.'; } res.push_back("K "+to_string(j+1)+" "+found_color+"\n"); return true; } } return false; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); string s; cin>>n>>m; tab.resize(n); for(int i = 0;i<n;++i){ cin>>tab[i]; } for(int i = 0;i<n+m;++i){ if(row_check()){ continue; } if(col_check()){ continue; } break; } cout<<res.size()<<"\n"; for(int i = res.size()-1;i>=0;--i){ cout<<res[i]; } return 0; } |
English