P45681: F012B. Wall-E

#include <iostream>
#include <vector>
#include <string>
using namespace std;


typedef vector<char> Row;
typedef vector<Row> Matrix;


void read_matrix(Matrix& M) {
    int f = M.size();
    int c = M[0].size();
    for (int i = 0; i < f; ++i) {
        for (int j = 0; j < c; ++j) {
            cin >> M[i][j];
        }
    }
}

int move_matrix(Matrix& M, int f, int c, string s) {
    int tam_s = s.size();
    int count = 0;
    for (int k = 0; k < tam_s; ++k) {
        //Actualitzaci贸 posici贸 i suma
        //Nord
        if (s[k] == 'N') {
            while (M[f-1][c] != 'X') {
                if (M[f][c] != '.') {
                    count += M[f][c] - '0';
                    M[f][c] = '.';
                }
                --f;
            }
        }
        //Sud
        else if (s[k] == 'S') {
            while (M[f+1][c] != 'X') {
                if (M[f][c] != '.') {
                    count += M[f][c] - '0';
                    M[f][c] = '.';
                }
                ++f;
            }
        }
        //Est
        else if (s[k] == 'E') {
            while (M[f][c+1] != 'X') {
                if (M[f][c] != '.') {
                    count += M[f][c] - '0';
                    M[f][c] = '.';
                }
                ++c;
            }
        }
        //Oest
        else if (s[k] == 'O') {
            while (M[f][c-1] != 'X') {
                if (M[f][c] != '.') {
                    count += M[f][c] - '0';
                    M[f][c] = '.';
                }
                --c;
            }
        }
    }
    //Ultima posicio
    if (M[f][c] != '.') count += M[f][c] - '0';
    return count;
}

void write_matrix(int deixalles, int count) {
    cout << "Cas " << count << ": " << deixalles << endl;
}

int main() {
    int f, c;
    int count = 0;
    while (cin >> f >> c) {
        ++count;
        Matrix M(f, Row(c));
        read_matrix(M);
        string s;
        cin >> f >> c >> s;
        write_matrix(move_matrix(M, f, c, s), count);
    }
}

//JosepRivaille