#635644 (C++17) No.707 書道

• 問題: No.707 書道
• ユーザー: tanimani364
• 提出日時: 2021-03-29 17:12:33
• 言語: C++17 (gcc 13.3.0 + boost 1.87.0)
• 結果: AC
• 実行時間: 3 ms / 2,000 ms
• コード長: 2,186 bytes
• コンパイル時間: 2,375 ms
• コンパイル使用メモリ: 199,784 KB
• 最終ジャッジ日時: 2025-01-20 00:29:07
• ジャッジサーバーID （参考情報）: judge3 / judge3

ファイルパターン	結果
sample	AC * 3
other	AC * 6

ソースコード

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#include <bits/stdc++.h>
//#include<boost/multiprecision/cpp_int.hpp>
//#include<boost/multiprecision/cpp_dec_float.hpp>
//#include <atcoder/all>
#define rep(i, a) for (int i = (int)0; i < (int)a; ++i)
#define rrep(i, a) for (int i = (int)a - 1; i >= 0; --i)
#define REP(i, a, b) for (int i = (int)a; i < (int)b; ++i)
#define RREP(i, a, b) for (int i = (int)a - 1; i >= b; --i)
#define repl(i, a) for (ll i = (ll)0; i < (ll)a; ++i)
#define pb push_back
#define eb emplace_back
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define popcount __builtin_popcount
#define fi first
#define se second
using ll = long long;
constexpr ll mod = 1e9 + 7;
constexpr ll mod_998244353 = 998244353;
constexpr ll INF = 1LL << 60;
// #pragma GCC target("avx2")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
//using lll=boost::multiprecision::cpp_int;
//using Double=boost::multiprecision::number<boost::multiprecision::cpp_dec_float<1024>>;//仮数部が1024桁
template <class T>
inline bool chmin(T &a, T b)
{
    if (a > b)
    {
        a = b;
        return true;
    }
    return false;
}
template <class T>
inline bool chmax(T &a, T b)
{
    if (a < b)
    {
        a = b;
        return true;
    }
    return false;
}
template <typename T>
T mypow(T x, T n, const T &p = -1)
{ //x^nをmodで割った余り
    if (p != -1)
    {
        x %= p;
    }
    T ret = 1;
    while (n > 0)
    {
        if (n & 1)
        {
            if (p != -1)
                ret = (ret * x) % p;
            else
                ret *= x;
        }
        if (p != -1)
            x = (x * x) % p;
        else
            x *= x;
        n >>= 1;
    }
    return ret;
}
using namespace std;
//using namespace atcoder;
void solve()
{
    int h,w;
    cin>>h>>w;
    vector<string>s(h);
    rep(i,h)cin>>s[i];
    double ans=1e9;
    auto func=[s](int h,int w)->double{
        double res=0;
        rep(i,s.size()){
            rep(j,s[0].size()){
                if(s[i][j]=='1'){
                    res+=sqrt(pow<double>(h-(i+1),2)+pow<double>(w-(j+1),2));
                }
            }
        }
        return res;
    };
    for(int i=1;i<=h;++i){
        chmin(ans,func(i,0));
        chmin(ans,func(i,w+1));
    }
    for(int i=1;i<=w;++i){
        chmin(ans,func(0,i));
        chmin(ans,func(h+1,i));
    }
    cout<<ans<<"\n";
}
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(15);
    solve();
    return 0;
}
 
 
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