#include<iostream>
using namespace std;
int n,m,q,S[100010],f[1<<8],del=0;
char s[100010];
bool a[10][100010];
inline void add(int x,int v)
{
	for(int i=0;i<(1<<n);i++)
	{
		int t=__builtin_popcount(x^i);
		f[i]+=v*min(t,n-t+1);
	}
}
inline int solve()
{
	int ans=1e9;
	for(int i=0;i<(1<<n);i++)
	{
		ans=min(ans,f[i]+
		__builtin_popcount(i^del));
	}
	return ans;
}
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin>>n>>m>>q;
	for(int i=1;i<=n;i++)
	{
		cin>>s+1;
		for(int j=1;j<=m;j++)
		{
			a[i][j]=s[j]-'0';
		}
	}
	for(int i=1;i<=m;i++)
	{
		for(int j=1;j<=n;j++)
		{
			S[i]|=(1<<j-1)*a[j][i];
		}
		add(S[i],1);
	}
	cout<<solve()<<'\n';
	while(q--)
	{
		char op;
		int x;
		cin>>op>>x;
		if(op=='P')
		{
			int y;
			cin>>y;
			a[x][y]^=1;
			add(S[y],-1),S[y]=0;
			for(int i=1;i<=n;i++)
			{
				S[y]|=(1<<i-1)*a[i][y];
			}
			add(S[y],1);
		}
		if(op=='R')
		{
			del^=1<<x-1;
		}
		if(op=='K')
		{
			add(S[x],-1),S[x]=0;
			for(int i=1;i<=n;i++)
			{
				a[i][x]^=1;
				S[x]|=(1<<i-1)*a[i][x];
			}
			add(S[x],1);
		}
		cout<<solve()<<'\n';
	}
	return 0;
}

answer.code: In function ‘int main()’:
answer.code:31:20: error: no match for ‘operator>>’ (operand types are ‘std::istream’ {aka ‘std::basic_istream<char>’} and ‘char*’)
   31 |                 cin>>s+1;
      |                 ~~~^~~~~
      |                 |     |
      |                 |     char*
      |                 std::istream {aka std::basic_istream<char>}
In file included from /usr/include/c++/13/iostream:42,
                 from answer.code:1:
/usr/include/c++/13/istream:325:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match)
  325 |       operator>>(void*& __p)
      |       ^~~~~~~~
/usr/include/c++/13/istream:325:7: note:   conversion of argument 1 would be ill-formed:
answer.code:31:23: error: cannot bind non-const lvalue reference of type ‘void*&’ to an rvalue of type ‘void*’
   31 |                 cin>>s+1;
      |                      ~^~
/usr/include/c++/13/istream:201:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match)
  201 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
/usr/include/c++/13/istream:201:7: note:   conversion of argument 1 would be ill-formed:
answer.code:31:23: error: invalid conversion from ‘char*’ to ‘long long unsigned int’ [-fpermissive]
   31 |                 cin>>s+1;
      |                      ~^~
      |                       |
      |                       char*
answer.code:31:23: error: cannot bind rvalue ‘(long long unsigned int)(((char*)(& s)) + 1)’ to ‘long long unsigned int&’
/usr/include/c++/13/istream:197:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match)
  197 |       operator>>(long long& __n)
      |       ^~~~~~~~
/usr/include/c++/13/istream:197:7: note:   conversion of argument 1 would be ill-formed:
answer.code:31:23: error: invalid conversion from ‘char*’ to ‘long long int’ [-fpermissive]
   31 |                 cin>>s+1;
      |                      ~^~
      |                       |
      |                       char*
answer.code:31:23: error: cannot bind rvalue ‘(long long int)(((char*)(& s)) + 1)’ to ‘long long int&’
/usr/include/c++/13/istream:192:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match)
  192 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
/usr/include/c++/13/istream:192:7: note:   conversion of argument 1 would be ill-formed:
answer.code:31:23: error: invalid conversion from ‘char*’ to ‘long unsigned int’ [-fpermissive]
   31 |                 cin>>s+1;
      |                      ~^~
      |                       |
      |                       char*
answer.code:31:23: error: cannot bind rvalue ‘(long unsigned int)(((char*)(& s)) + 1)’ to ‘long unsigned int&’
/usr/include/c++/13/istream:188:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match)
  188 |       operator>>(long& __n)
      |       ^~~~~~~~
/usr/include/c++/13/istream:188:7: note:   conversion of argument 1 would be ill-formed:
answer.code:31:23: error: invalid conversion from ‘char*’ to ‘long int’ [-fpermissive]
   31 |                 cin>>s+1;
      |                      ~^~
      |                       |
      |                       char*
answer.code:31:23: error: cannot bind rvalue ‘(long int)(((char*)(& s)) + 1)’ to ‘long int&’
/usr/include/c++/13/istream:184:7: note: candidate: ‘std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]’ (near match)
  184 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
/usr/include/c++/13/istream:184:7: note:   conversion of argument 1 would be ill-formed:
answer.code:31:23: error: invalid conversion from ‘char*’ to ‘unsigned int’ [-fpermissive]
   31 |                 cin>>s+1;
      |                      ~^~
      |                       |
      |                       char*
answer.code:31:23: error: cannot bind rvalue ‘(unsigned int)(((char*)(& s)) + 1)’ to ‘unsigned int&’
/usr/include/c++/13/istream:181:7: note: candidate: ‘std::basic_istre...