結果

問題 No.2509 Beam Shateki
ユーザー woodywoodywoodywoody
提出日時 2023-10-21 03:45:29
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 1,684 ms / 2,000 ms
コード長 6,334 bytes
コンパイル時間 3,748 ms
コンパイル使用メモリ 238,264 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-09-21 04:49:58
合計ジャッジ時間 47,242 ms
ジャッジサーバーID
(参考情報)
judge3 / judge2
このコードへのチャレンジ
(要ログイン)

テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 2 ms
5,248 KB
testcase_01 AC 2 ms
5,248 KB
testcase_02 AC 2 ms
5,376 KB
testcase_03 AC 217 ms
5,376 KB
testcase_04 AC 230 ms
5,376 KB
testcase_05 AC 224 ms
5,376 KB
testcase_06 AC 235 ms
5,376 KB
testcase_07 AC 229 ms
5,376 KB
testcase_08 AC 226 ms
5,376 KB
testcase_09 AC 216 ms
5,376 KB
testcase_10 AC 219 ms
5,376 KB
testcase_11 AC 219 ms
5,376 KB
testcase_12 AC 231 ms
5,376 KB
testcase_13 AC 1,550 ms
5,376 KB
testcase_14 AC 1,559 ms
5,376 KB
testcase_15 AC 1,538 ms
5,376 KB
testcase_16 AC 1,533 ms
5,376 KB
testcase_17 AC 1,569 ms
5,376 KB
testcase_18 AC 1,557 ms
5,376 KB
testcase_19 AC 1,532 ms
5,376 KB
testcase_20 AC 1,536 ms
5,376 KB
testcase_21 AC 1,581 ms
5,376 KB
testcase_22 AC 1,568 ms
5,376 KB
testcase_23 AC 1,612 ms
5,376 KB
testcase_24 AC 1,543 ms
5,376 KB
testcase_25 AC 1,548 ms
5,376 KB
testcase_26 AC 1,579 ms
5,376 KB
testcase_27 AC 1,570 ms
5,376 KB
testcase_28 AC 1,565 ms
5,376 KB
testcase_29 AC 1,556 ms
5,376 KB
testcase_30 AC 1,684 ms
5,376 KB
testcase_31 AC 1,553 ms
5,376 KB
testcase_32 AC 1,589 ms
5,376 KB
testcase_33 AC 37 ms
5,376 KB
testcase_34 AC 380 ms
5,376 KB
testcase_35 AC 818 ms
5,376 KB
testcase_36 AC 167 ms
5,376 KB
testcase_37 AC 33 ms
5,376 KB
testcase_38 AC 181 ms
5,376 KB
testcase_39 AC 157 ms
5,376 KB
testcase_40 AC 453 ms
5,376 KB
testcase_41 AC 6 ms
5,376 KB
testcase_42 AC 218 ms
5,376 KB
testcase_43 AC 976 ms
5,376 KB
testcase_44 AC 1,126 ms
5,376 KB
testcase_45 AC 149 ms
5,376 KB
testcase_46 AC 260 ms
5,376 KB
testcase_47 AC 1,158 ms
5,376 KB
testcase_48 AC 331 ms
5,376 KB
testcase_49 AC 543 ms
5,376 KB
testcase_50 AC 654 ms
5,376 KB
testcase_51 AC 38 ms
5,376 KB
testcase_52 AC 417 ms
5,376 KB
testcase_53 AC 2 ms
5,376 KB
testcase_54 AC 2 ms
5,376 KB
testcase_55 AC 3 ms
5,376 KB
testcase_56 AC 2 ms
5,376 KB
testcase_57 AC 3 ms
5,376 KB
testcase_58 AC 3 ms
5,376 KB
testcase_59 AC 2 ms
5,376 KB
testcase_60 AC 3 ms
5,376 KB
testcase_61 AC 3 ms
5,376 KB
testcase_62 AC 3 ms
5,376 KB
testcase_63 AC 3 ms
5,376 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include<bits/stdc++.h>
#include<atcoder/all>
#define rep(i,b) for(int i=0;i<b;i++)
#define rrep(i,b) for(int i=b-1;i>=0;i--)
#define rep1(i,b) for(int i=1;i<b;i++)
#define repx(i,x,b) for(int i=x;i<b;i++)
#define rrepx(i,x,b) for(int i=b-1;i>=x;i--)
#define fore(i,a) for(auto& i:a)
#define rng(x) (x).begin(), (x).end()
#define rrng(x) (x).rbegin(), (x).rend()
#define sz(x) ((int)(x).size())
#define pb push_back
#define fi first
#define se second
#define pcnt __builtin_popcountll

using namespace std;
using namespace atcoder;

using ll = long long;
using ld = long double;
template<typename T> using mpq = priority_queue<T, vector<T>, greater<T>>;
template<typename T> bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<typename T> bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
template<typename T> ll sumv(const vector<T>&a){ll res(0);for(auto&&x:a)res+=x;return res;}
bool yn(bool a) { if(a) {cout << "Yes" << endl; return true;} else {cout << "No" << endl; return false;}}
#define retval(x) {cout << #x << endl; return;}
#define cout2(x,y) cout << x << " " << y << endl;
#define coutp(p) cout << p.fi << " " << p.se << endl;
#define out cout << ans << endl;
#define outd cout << fixed << setprecision(20) << ans << endl;
#define outm cout << ans.val() << endl;
#define outv fore(yans , ans) cout << yans << "\n";
#define outdv fore(yans , ans) cout << yans.val() << "\n";
#define assertmle(x) if (!(x)) {vi v(3e8);}
#define asserttle(x) if (!(x)) {while(1){}}
#define coutv(v) {fore(vy , v) {cout << vy << " ";} cout << endl;}
#define coutv2(v) fore(vy , v) cout << vy << "\n";
#define coutvm(v) {fore(vy , v) {cout << vy.val() << " ";} cout << endl;}
#define coutvm2(v) fore(vy , v) cout << vy.val() << "\n";
using pll = pair<ll,ll>;using pil = pair<int,ll>;using pli = pair<ll,int>;using pii = pair<int,int>;using pdd = pair<ld,ld>;
using vi = vector<int>;using vd = vector<ld>;using vl = vector<ll>;using vs = vector<string>;using vb = vector<bool>;
using vpii = vector<pii>;using vpli = vector<pli>;using vpll = vector<pll>;using vpil = vector<pil>;
using vvi = vector<vector<int>>;using vvl = vector<vector<ll>>;using vvs = vector<vector<string>>;using vvb = vector<vector<bool>>;
using vvpii = vector<vector<pii>>;using vvpli = vector<vector<pli>>;using vvpll = vector<vpll>;using vvpil = vector<vpil>;
using mint = modint998244353;
//using mint = modint1000000007;
//using mint = dynamic_modint<0>;
using vm = vector<mint>;
using vvm = vector<vector<mint>>;
vector<int> dx={1,0,-1,0,1,1,-1,-1},dy={0,1,0,-1,1,-1,1,-1};
ll gcd(ll a, ll b) { return a?gcd(b%a,a):b;}
ll lcm(ll a, ll b) { return a/gcd(a,b)*b;}
#define yes {cout <<"Yes"<<endl;}
#define no {cout <<"No"<<endl;}
const double eps = 1e-10;
const ll LINF = 1001002003004005006ll;
const int INF = 1001001001;
#ifdef MY_LOCAL_DEBUG
#include "./debug/localDebug.cpp"
#define showp(p) cerr<<#p<<" = "<<p.fi<<" : "<<p.se<<endl
#define show1(a) cerr<<#a<<" = "<<a<<endl
#define show2(a,b) cerr<<#a<<" = "<<a<<" : "<<#b<<" = "<<b<<endl
#define show3(a,b,c) cerr<<#a<<" = "<<a<<" : "<<#b<<" = "<<b<<" : "<<#c<<" = "<<c<<endl
#define show4(a,b,c,d) cerr<<#a<<" = "<<a<<" : "<<#b<<" = "<<b<<" : "<<#c<<" = "<<c<<" : "<<#d<<" = "<<d<<endl
#define show5(a,b,c,d,e) cerr<<#a<<" = "<<a<<" : "<<#b<<" = "<<b<<" : "<<#c<<" = "<<c<<" : "<<#d<<" = "<<d<<" : "<<#e<<" = "<<e<<endl
#define DEBUG_LINE cout << "DEBUG_LINE : " << __LINE__ << endl
#define showv(v) {cout<<#v<<" : "; fore(vy , v) {cout << vy << " ";} cout << endl;}
#define showv2(v) {cout<<#v<<endl; fore(vy , v) cout << vy << "\n";}
#define showvm(v) {cout<<#v<<" : "; fore(vy , v) {cout << vy.val() << " ";} cout << endl;}
#define showvm2(v) {cout<<#v<<endl; fore(vy , v) cout << vy.val() << "\n";}
#define showmat(v) {cout<<#v<<endl; fore(row , v) { fore(seg , row) cout << seg << " "; cout << endl;}}
#define showmatm(v) {cout<<#v<<endl; fore(row , v) { fore(seg , row) cout << seg.val() << " "; cout << endl;}}
#else
#define showp(p)
#define show1(a)
#define show2(a,b)
#define show3(a,b,c)
#define show4(a,b,c,d)
#define show5(a,b,c,d,e)
#define DEBUG_LINE
#define showv(v)
#define showv2(v)
#define showvm(v)
#define showvm2(v)
#define showmat(v)
#define showmatm(v)
#endif
#define overload5(a,b,c,d,e,f, ...) f
#define show(...) overload5(__VA_ARGS__, show5, show4, show3, show2, show1)(__VA_ARGS__)

void solve(){
    int h,w; cin>>h>>w;
    vvl a(h,vl(w));
    rep(i,h) rep(j,w) cin>>a[i][j];

    ll ans = 0;

    vpii v;
    repx(i,-1,h+1) v.pb({i,-1});
    repx(i,-1,h+1) v.pb({i,w});
    repx(i,0,w) v.pb({-1,i});
    repx(i,0,w) v.pb({h,i});

    vl sumh(h);
    vl sumw(w);
    rep(i,h) rep(j,w) sumh[i] += a[i][j];
    rep(i,w) rep(j,h) sumw[i] += a[j][i];
    rep(i,h) repx(i2,i+1,h) chmax(ans, sumh[i]+sumh[i2]);
    rep(i,w) repx(i2,i+1,w) chmax(ans, sumw[i]+sumw[i2]);
    rep(i,h) rep(j,w) chmax(ans, sumh[i]+sumw[j]-a[i][j]);

    vvi b(h,vi(w));

    fore(p , v){
        fore(q, v){
            if (p == q) continue;
            if (p > q) continue;
            vpii vp = {p, q};
            rep(kp,8) rep(kq,8){
                if (kp<=3 && kq<=3) continue;
                vi dv = {kp, kq};
                ll tmp = 0;
                rep(ii,2)
                rep1(jj,max(h,w)+1){
                    int x,y;
                    x = vp[ii].fi + dx[dv[ii]]*jj;
                    y = vp[ii].se + dy[dv[ii]]*jj;
                    if (x <= h-1 && x >= 0 && y <= w-1 && y >= 0){
                        if (b[x][y]==1) continue;
                        b[x][y] = 1;
                        tmp += a[x][y];
                    }else{
                        break;
                    }
                }
                rep(ii,2)
                rep1(jj,max(h,w)+1){
                    int x,y;
                    x = vp[ii].fi + dx[dv[ii]]*jj;
                    y = vp[ii].se + dy[dv[ii]]*jj;
                    if (x <= h-1 && x >= 0 && y <= w-1 && y >= 0){
                        b[x][y] = 0;
                    }else{
                        break;
                    }
                }

                chmax(ans, tmp);
            }
        }
    }
    out;

    return;
}

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

    int t = 1;
    //cin>>t;

    rep(i,t){
        solve();
    }

    return 0;
}
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