제출 #1307317

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1307317		yus1f_m	Awesome Arrowland Adventure (eJOI19_adventure)	C++20	0 / 100	1 ms	572 KiB

adventure

#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#define ll long long
#define str string
#define pb push_back
#define pf push_front
#define in insert
#define all(v) v.begin(),v.end()
const int sz=1000000,INF=1000000000;
using namespace std;
void solve()
{
    ll n,m,ans;
    cin>>n>>m;
    vector<vector<char>>grid(n+1,vector<char>(m+1));
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<m;j++)
        {
            cin>>grid[i][j];
            if(grid[i][j]=='X')
            {
                if(i!=n-1)
                {
                    ans=-1;
                }
            }
        }
    }
    if(ans!=-1)
    {
        ans=n-1;
    }
    cout<<ans;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr),cout.tie(nullptr);
    ll t=1;
    //cin>>t;
    while(t--)
    {
        solve();
    }
}

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