Submission #1157547

#	Time	Username	Problem	Language	Result	Execution time	Memory
1157547		mocha	영역 (JOI16_ho_t4)	C++20	15 / 100	940 ms	327680 KiB

2016_ho_t4

#include <bits/stdc++.h>
using namespace std;
const int mx = 1e5+5;

int n, k;
string s;
set<pair<int, int>> st;
char c[4] = {'E', 'N', 'W', 'S'};
int dx[4] = {1, 0, -1, 0};
int dy[4] = {0, 1, 0, -1};

signed main() {
    cin >> n >> k;
    cin >> s;
    int x = 0, y = 0;
    st.insert({x, y});
    for (int i=0;i<k;i++) {
        for (int j=0;j<n;j++) {
            for (int k=0;k<4;k++) {
                if (s[j] == c[k]) {
                    x += dx[k];
                    y += dy[k];
                    break;
                }
            }
            st.insert({x, y});
        }
    }
    int ans = 0;
    for (auto [x, y]:st) {
        if (st.count({x+1, y}) and st.count({x, y+1}) and st.count({x+1, y+1})) {
            ans++;
        }
    }
    cout << ans << "\n";
}

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 0 / 23
• Subtask 4: 0 / 62