이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#define int long long
using namespace std;
namespace std {
template <typename T> ostream &operator<<(ostream &out, const vector<T> &vec) {
out << "[";
for (int i = 0; i < (int)vec.size(); ++i) {
out << vec[i];
if (i + 1 < (int)vec.size())
out << ", ";
}
return out << "]";
}
} // namespace std
void dbg_out() { cout << endl; }
template <typename Head, typename... Tail> void dbg_out(Head H, Tail... T) {
cout << ' ' << H;
dbg_out(T...);
}
#ifdef DEBUG
#define dbg(...) cout << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__)
#else
#define dbg(...)
#endif
const int MAXN = 500;
signed main(void) {
ios_base::sync_with_stdio(false);
cin.tie(0);
int nbLig, nbCol, nbOp;
cin >> nbLig >> nbCol >> nbOp;
vector<bitset<MAXN>> canUse(nbLig);
for (int lig = 0; lig < nbLig; ++lig)
for (int col = 0; col < nbCol; ++col) {
char c;
cin >> c;
if (c == '.')
canUse[lig][col] = 1;
}
vector<bitset<MAXN>> curPossible(nbLig);
for (int lig = 0; lig < nbLig; ++lig)
curPossible[lig] = canUse[lig];
string s;
cin >> s;
for (char c : s) {
vector<bitset<MAXN>> nxtPossible(nbLig);
if (c == 'N' or c == '?') {
for (int lig = 0; lig + 1 < nbLig; ++lig)
nxtPossible[lig] |= curPossible[lig + 1];
}
if (c == 'S' or c == '?') {
for (int lig = 1; lig < nbLig; ++lig)
nxtPossible[lig] |= curPossible[lig - 1];
}
if (c == 'W' or c == '?') {
for (int lig = 0; lig < nbLig; ++lig)
nxtPossible[lig] |= curPossible[lig] >> 1;
}
if (c == 'E' or c == '?') {
for (int lig = 0; lig < nbLig; ++lig)
nxtPossible[lig] |= curPossible[lig] << 1;
}
for (int lig = 0; lig < nbLig; ++lig)
curPossible[lig] = nxtPossible[lig] & canUse[lig];
}
int sol = 0;
for (int lig = 0; lig < nbLig; ++lig)
sol += curPossible[lig].count();
cout << sol << endl;
}
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