結果
問題 | No.2095 High Rise |
ユーザー | woodywoody |
提出日時 | 2022-10-08 15:54:03 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 868 ms / 2,000 ms |
コード長 | 4,881 bytes |
コンパイル時間 | 5,191 ms |
コンパイル使用メモリ | 240,592 KB |
実行使用メモリ | 67,708 KB |
最終ジャッジ日時 | 2024-06-22 18:58:39 |
合計ジャッジ時間 | 12,664 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,940 KB |
testcase_07 | AC | 2 ms
6,940 KB |
testcase_08 | AC | 2 ms
6,944 KB |
testcase_09 | AC | 2 ms
6,940 KB |
testcase_10 | AC | 2 ms
6,944 KB |
testcase_11 | AC | 2 ms
6,940 KB |
testcase_12 | AC | 3 ms
6,940 KB |
testcase_13 | AC | 3 ms
6,944 KB |
testcase_14 | AC | 6 ms
6,944 KB |
testcase_15 | AC | 4 ms
6,940 KB |
testcase_16 | AC | 3 ms
6,940 KB |
testcase_17 | AC | 91 ms
10,880 KB |
testcase_18 | AC | 59 ms
8,064 KB |
testcase_19 | AC | 15 ms
6,944 KB |
testcase_20 | AC | 101 ms
11,868 KB |
testcase_21 | AC | 197 ms
18,944 KB |
testcase_22 | AC | 858 ms
67,704 KB |
testcase_23 | AC | 868 ms
67,708 KB |
testcase_24 | AC | 866 ms
66,688 KB |
testcase_25 | AC | 862 ms
67,700 KB |
testcase_26 | AC | 867 ms
67,704 KB |
ソースコード
// #define _GLIBCXX_DEBUG #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 fore1(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 1;} else {cout << "No" << endl; return 0;}} #define dame { cout << "No" << endl; return 0;} #define dame1 { cout << -1 << endl; return 0;} #define test(x) cout << "test" << x << endl; #define deb(x,y) cout << x << " " << y << endl; #define debp(p) cout << p.fi << " " << p.se << endl; #define deb3(x,y,z) cout << x << " " << y << " " << z << endl; #define deb4(x,y,z,x2) cout << x << " " << y << " " << z << " " << x2 << 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 show(x) cerr<<#x<<" = "<<x<<endl; #define showdeb(x,y) cerr<<#x<<" = "<<x<<" : "<<#y<<" = "<<y<<endl; #define showv(v) {fore(vy , v) {cout << vy << " ";} cout << endl;} #define showv2(v) fore(vy , v) cout << vy << "\n"; #define showvm(v) {fore(vy , v) {cout << vy.val() << " ";} cout << endl;} #define showvm2(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 tp = tuple<int ,int ,int>; 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 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 yesr { cout <<"Yes"<<endl; return 0;} #define no {cout <<"No"<<endl;} #define nor { cout <<"No"<<endl; return 0;} const double eps = 1e-10; const ll LINF = 1001002003004005006ll; const int INF = 1001001001; struct state{ int i,j,t; state(int i=0,int j=0,int t=0) : i(i),j(j),t(t) {} bool operator<(state const &ot) const{ return i < ot.i; } }; using pp = pair<ll , state>; void solve(){ int n,m; cin>>n>>m; vvl a(n,vl(m)); rep(i,n) rep(j,m) cin>>a[i][j]; vector<vvl> dist(n,vvl(m,vl(2,LINF))); mpq<pp> q; state st(0,0,1); dist[st.i][st.j][st.t] = 0; q.push({dist[st.i][st.j][st.t] , st}); // t = 0が下から while(!q.empty()){ pp p = q.top(); q.pop(); ll dist_dum = p.first; state f = p.second; if (dist[f.i][f.j][f.t] < dist_dum) continue; int ni=f.i,nj=f.j,nt=f.t; ll cost=0; if (f.j > 0){ nj--; nt = 1; if (chmin(dist[ni][nj][nt] , dist_dum)){ pp nxt = {dist[ni][nj][nt] , state(ni,nj,nt)}; q.push(nxt); } } if (f.j < m-1){ nj = f.j+1; nt = 1; if (chmin(dist[ni][nj][nt] , dist_dum)){ pp nxt = {dist[ni][nj][nt] , state(ni,nj,nt)}; q.push(nxt); } } if (f.i < n-1){ ni = f.i+1; nj = f.j; nt = 0; if (f.t == 1) cost = a[f.i][f.j]; cost += a[ni][nj]; if (chmin(dist[ni][nj][nt] , dist_dum+cost)){ pp nxt = {dist[ni][nj][nt] , state(ni,nj,nt)}; q.push(nxt); } } } ll ans = LINF; rep(j,m) rep(t,2) chmin(ans , dist[n-1][j][t]); out; return; } int main(){ solve(); return 0; }