Submission #999803

#	Time	Username	Problem	Language	Result	Execution time	Memory
999803		vjudge1	Awesome Arrowland Adventure (eJOI19_adventure)	C++17	10 / 100	1 ms	600 KiB

adventure

#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define f first
#define s second
#define pb push_back
#define pf push_front
#define pi pair<int,int>

const int MAX  = 2e5+1;

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int n,m;
    cin >> n >> m;
    ll cnt = 0;
    char c;
    ll keep = 0;
    for(int i = 1; i <= m;i++){
        cin >> c;
        if(c=='X')cnt++;
        else if(c=='W') keep+=2;
        else if(c!='E') keep++;
    }
    if(cnt>1) cout << -1<< endl;
    else cout << keep << endl;
    
    
}

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