Submission #975003

#	Time	Username	Problem	Language	Result	Execution time	Memory
975003		vjudge1	Awesome Arrowland Adventure (eJOI19_adventure)	C++17	22 / 100	1 ms	604 KiB

adventure

#include <bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL);
#define ll long long
#define rep(i, n) for(int i = 0 ; i < n ; i++)
#define all(a) a.begin(), a.end()

// subsoal 1 & 2

int main() {
    fast

    int n, m; cin>>n>>m;
    char s[m];
    rep(i, m){
        cin>>s[i];
    }
    int ans = 0;
    bool possible = true;
    rep(i, m){
        if(s[i] == 'E'){
            continue;
        } else if(s[i] == 'N'){
            ans++;
            continue;
        } else if(s[i] == 'W'){
            ans+=2;
            continue;
        } else if(s[i] == 'S'){
            ans+=3;
            continue;
        } else{
            if(i != m-1){
                possible = false;
                break;
            }
        }
    }
    if(possible){
        cout<<ans;
    } else {
        cout<<-1;
    }
    
    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 12 / 12
• Subtask 3: 0 / 12
• Subtask 4: 0 / 16
• Subtask 5: 0 / 50