#include <iostream>
#include <algorithm>
using namespace std;
int main()
{
int n(0),m(0);
cin >> n >> m;
int matrix[n][m];
char arr[n][m];
arr[0][0] = '0';
for(int i = 0;i<n;++i){
for(int j = 0;j<m;++j){
cin >> matrix[i][j];
if(!i && !j)continue;
if(!i){
matrix[i][j] += matrix[i][j-1];
arr[i][j] = 'R';
}
if(!j){
matrix[i][j] += matrix[i-1][j];
arr[i][j] = 'D';
}
if(i && j){
matrix[i][j] += max(matrix[i-1][j],matrix[i][j-1]);
if(max(matrix[i-1][j],matrix[i][j-1]) == matrix[i-1][j])arr[i][j] = 'D';
else arr[i][j] = 'R';
}
}
}
cout << matrix[n-1][m-1];
cout << "\n";
string s;
for(int i = n-1;;){
for(int j = m-1;;){
if(arr[i][j] == '0'){
reverse(s.begin(),s.end());
s.erase(0,1);
cout << s << endl;
return 0;
}
s.push_back(arr[i][j]);
s.push_back(' ');
if(arr[i][j] == 'R'){
j -= 1;
continue;
}
if(arr[i][j] == 'D'){
i -= 1;
continue;
}
}
}
cout << endl;
return 0;
}
Объяснение:
len,i:integer;
st:string;
c:char;
ar:array['а'..'я'] of integer;
begin
readln(st);
for i:=1 to length(st) do begin
if (st[i] in ['а'..'я']) then inc(ar[st[i]]);
if (st[i] <> ' ') then inc(len);
if (st[i] = 'ё') then inc(yo);
end;
for c:='а' to 'я' do
if (ar[c] <> 0) then writeln(c,'- ',ar[c], ' ч.у - ',ar[c]/len:1:2);
if (yo <> 0) then writeln('ё', '- ', yo, ' ч.у - ', yo / len:1:2);
end.