#include <bits/stdc++.h>
using namespace std;
char p[2000][2000];
int main()
{
int n, m;
scanf("%d %d", &n, &m);
for (int y=0; y<n; y++)
{
getchar();
for (int x=0; x<m; x++)
{
p[y][x] = getchar();
}
}
char ruchy[4000];
int numery[4000];
char kolory[4000];
int answer = 0;
char color;
bool full;
bool row_history[2000];
bool collumn_history[2000];
for (int i=0; i<2000; i++)
{
row_history[i];
collumn_history[i];
}
vector<int> full_rows;
vector<int> full_collumns;
for (; answer<n+m;)
{
full_rows.clear();
for (int y=0; y<n; y++)
{
if (row_history[y])
continue;
color = p[y][0];
full = true;
for (int x=0; x<m; x++)
{
if (color == 0)
color = p[y][x];
if (p[y][x] != color && p[y][x] != 0)
{
full = false;
break;
}
}
if (full && color != 0)
{
row_history[y] = true;
full_rows.push_back(y);
}
}
for (int r : full_rows)
{
for (int x=0; x<m; x++)
{
if (p[r][x] != 0)
color = p[r][x];
p[r][x] = 0;
}
ruchy[answer] = 'R';
numery[answer] = r+1;
kolory[answer] = color;
answer++;
}
full_collumns.clear();
for (int x=0; x<m; x++)
{
if (collumn_history[x])
continue;
color = p[0][x];
full = true;
for (int y=0; y<n; y++)
{
if (color == 0)
color = p[y][x];
if (p[y][x] != color && p[y][x] != 0)
{
full = false;
break;
}
}
if (full && color != 0)
{
collumn_history[x] = true;
full_collumns.push_back(x);
}
}
for (int c : full_collumns)
{
for (int y=0; y<n; y++)
{
if (p[y][c] != 0)
color = p[y][c];
p[y][c] = 0;
}
ruchy[answer] = 'K';
numery[answer] = c+1;
kolory[answer] = color;
answer++;
}
if (full_rows.empty() && full_collumns.empty())
break;
}
printf("%d\n", answer);
for (int i=answer-1; i>=0; i--)
{
printf("%c %d %c\n", ruchy[i], numery[i], kolory[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 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | #include <bits/stdc++.h> using namespace std; char p[2000][2000]; int main() { int n, m; scanf("%d %d", &n, &m); for (int y=0; y<n; y++) { getchar(); for (int x=0; x<m; x++) { p[y][x] = getchar(); } } char ruchy[4000]; int numery[4000]; char kolory[4000]; int answer = 0; char color; bool full; bool row_history[2000]; bool collumn_history[2000]; for (int i=0; i<2000; i++) { row_history[i]; collumn_history[i]; } vector<int> full_rows; vector<int> full_collumns; for (; answer<n+m;) { full_rows.clear(); for (int y=0; y<n; y++) { if (row_history[y]) continue; color = p[y][0]; full = true; for (int x=0; x<m; x++) { if (color == 0) color = p[y][x]; if (p[y][x] != color && p[y][x] != 0) { full = false; break; } } if (full && color != 0) { row_history[y] = true; full_rows.push_back(y); } } for (int r : full_rows) { for (int x=0; x<m; x++) { if (p[r][x] != 0) color = p[r][x]; p[r][x] = 0; } ruchy[answer] = 'R'; numery[answer] = r+1; kolory[answer] = color; answer++; } full_collumns.clear(); for (int x=0; x<m; x++) { if (collumn_history[x]) continue; color = p[0][x]; full = true; for (int y=0; y<n; y++) { if (color == 0) color = p[y][x]; if (p[y][x] != color && p[y][x] != 0) { full = false; break; } } if (full && color != 0) { collumn_history[x] = true; full_collumns.push_back(x); } } for (int c : full_collumns) { for (int y=0; y<n; y++) { if (p[y][c] != 0) color = p[y][c]; p[y][c] = 0; } ruchy[answer] = 'K'; numery[answer] = c+1; kolory[answer] = color; answer++; } if (full_rows.empty() && full_collumns.empty()) break; } printf("%d\n", answer); for (int i=answer-1; i>=0; i--) { printf("%c %d %c\n", ruchy[i], numery[i], kolory[i]); } return 0; } |
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