X76804: Wall-E solar

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


struct Info{
    char contingut;  // Escombraries del lloc.
    int energia;     // Energia que pot aconseguir del lloc.
};

typedef vector< vector<Info> > Camp;

void Read(Camp& 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].contingut;
        }
    }
    char ene;
    for(int k=0; k<f; ++k){
        for(int l=0; l<c; ++l){
            cin >> ene;
            ene -= '0';
            M[k][l].energia = ene;
        }
    }
}

void Recorregut(Camp& M, int& f, int& c, int& energia, string s, int& escombraries){
    int i = 0;
    int tam = s.size();
    while (i < tam && energia > 0) {
        //Nord
        if (s[i] == 'N') {
            while (energia > 0 && M[f-1][c].contingut != 'X'){
                if (M[f][c].contingut != '.'){
                    escombraries += M[f][c].contingut - '0';
                    M[f][c].contingut = '.';
                    --energia;
                }
                energia += M[f][c].energia;
                M[f][c].energia = 0;
                if (energia > 0) --f;
            }
        }
        //Sud
        else if (s[i] == 'S') {
            while (energia > 0 && M[f+1][c].contingut != 'X'){
                if (M[f][c].contingut != '.'){
                    escombraries += M[f][c].contingut - '0';
                    M[f][c].contingut = '.';
                    --energia;
                }
                energia += M[f][c].energia;
                M[f][c].energia = 0;
                if (energia > 0) ++f;
            }
        }
        //Est
        else if (s[i] == 'E') {
            while (energia > 0 && M[f][c+1].contingut != 'X'){
                if (M[f][c].contingut != '.'){
                    escombraries += M[f][c].contingut - '0';
                    M[f][c].contingut = '.';
                    --energia;
                }
                energia += M[f][c].energia;
                M[f][c].energia = 0;
                if (energia > 0) ++c;
            }
        }
        //Oest
        else if (s[i] == 'O') {
            while (energia > 0 && M[f][c-1].contingut != 'X'){
                if (M[f][c].contingut != '.'){
                    escombraries += M[f][c].contingut - '0';
                    M[f][c].contingut = '.';
                    --energia;
                }
                energia += M[f][c].energia;
                M[f][c].energia = 0;
                if (energia > 0) --c;
            }
        }
        ++i;
    }
    if (energia > 0 && M[f][c].contingut != '.') escombraries += M[f][c].contingut - '0';
}

void Write(int escombraries, int energia, int f, int c){
    cout << "escombraries: " << escombraries << endl;
    cout << "energia: " << energia << endl;
    cout << "posicio: (" << f << "," << c << ")" << endl;
}


int main(){
    int f, c;
    cin >> f >> c;
    Camp M(f, vector<Info> (c));
    Read(M);
    int energia, escombraries = 0;
    string s;
    cin >> f >> c >> energia >> s;
    Recorregut(M, f, c, energia, s, escombraries);
    Write(escombraries, energia, f, c);
}

//JosepRivaille