提出 #74703168

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ソースコード 拡げる

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i,a,b) for(ll i = (a); i < (ll)(b); i++)
#define all(x) (x).begin(), (x).end()
#define fore(x, a) for(auto &x : a)
#define chmin(x,y) x = min(x,y)
#define chmax(x,y) x = max(x,y)
const ll INF = 2e18;

#ifdef LOCAL
#define _GLIBCXX_DEBUG
#endif

template<class T> using vc = vector<T>;
template<class T> using vv = vc<vc<T>>;
using vl = vc<ll>; using vvl = vv<ll>;
using vs = vc<string>;
//vl a(n);  vvl b(h,vl(w));
using P = pair<ll,ll>;//vector<P> a;
template<class T> using pq = priority_queue<T,vector<T>>;
template<class T> using pq_g = priority_queue<T,vector<T>,greater<T>>;

template<class T>
istream& operator>>(istream& is, vector<T>& v){
    for(T& x : v) is >> x;
    return is;
}

void YN(bool condition) {
    if (condition) {
        cout << "Yes\n";
    } else {
        cout << "No\n";
    }
}
template<typename T>
long long sz(const T& x) {
    return (long long)x.size();
}

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    ll h,w;cin >> h>>w;
    rep(i,0,h){
        string s(w,'a');
        if(i==0 || i==h-1){
            rep(j,0,w){
                s[j]='#';
            }
        }
        else {
            rep(j,0,w){
                if(j==0 || j==w-1){
                    s[j]='#';
                }
                else s[j]='.';
            }
        }
        cout << s<< "\n";
    }

    
}

提出情報

ジャッジ結果