結果
問題 | No.2731 Two Colors |
ユーザー | woodywoody |
提出日時 | 2024-04-20 12:16:53 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 518 ms / 3,000 ms |
コード長 | 5,854 bytes |
コンパイル時間 | 4,151 ms |
コンパイル使用メモリ | 243,472 KB |
実行使用メモリ | 53,732 KB |
最終ジャッジ日時 | 2024-10-12 07:36:19 |
合計ジャッジ時間 | 12,441 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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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 | 382 ms
53,732 KB |
testcase_01 | AC | 399 ms
53,732 KB |
testcase_02 | AC | 388 ms
53,728 KB |
testcase_03 | AC | 4 ms
5,248 KB |
testcase_04 | AC | 21 ms
6,036 KB |
testcase_05 | AC | 14 ms
5,248 KB |
testcase_06 | AC | 68 ms
10,292 KB |
testcase_07 | AC | 74 ms
11,532 KB |
testcase_08 | AC | 10 ms
5,248 KB |
testcase_09 | AC | 413 ms
35,332 KB |
testcase_10 | AC | 5 ms
5,248 KB |
testcase_11 | AC | 383 ms
31,876 KB |
testcase_12 | AC | 404 ms
35,324 KB |
testcase_13 | AC | 347 ms
28,548 KB |
testcase_14 | AC | 138 ms
17,460 KB |
testcase_15 | AC | 8 ms
5,248 KB |
testcase_16 | AC | 136 ms
15,372 KB |
testcase_17 | AC | 201 ms
20,400 KB |
testcase_18 | AC | 27 ms
6,272 KB |
testcase_19 | AC | 147 ms
15,936 KB |
testcase_20 | AC | 254 ms
26,200 KB |
testcase_21 | AC | 29 ms
6,348 KB |
testcase_22 | AC | 413 ms
35,004 KB |
testcase_23 | AC | 72 ms
10,792 KB |
testcase_24 | AC | 34 ms
6,824 KB |
testcase_25 | AC | 3 ms
5,248 KB |
testcase_26 | AC | 335 ms
30,348 KB |
testcase_27 | AC | 423 ms
35,484 KB |
testcase_28 | AC | 238 ms
21,968 KB |
testcase_29 | AC | 60 ms
9,480 KB |
testcase_30 | AC | 121 ms
15,260 KB |
testcase_31 | AC | 67 ms
10,072 KB |
testcase_32 | AC | 518 ms
40,432 KB |
testcase_33 | AC | 2 ms
5,248 KB |
testcase_34 | AC | 2 ms
5,248 KB |
testcase_35 | AC | 2 ms
5,248 KB |
ソースコード
#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 ull = 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 = 2001002003004005006ll; 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; vvi a(h,vi(w)); rep(i,h) rep(j,w) cin>>a[i][j]; vector<set<int>> s(2); vvi st(h, vi(w,-1)); st[0][0] = 0; st[h-1][w-1] = 1; bool ok = true; auto check = [&](int i,int j)->void{ assert(st[i][j]!=-1); rep(kk,4){ int x,y; x = i + dx[kk]; y = j + dy[kk]; if (x <= h-1 && x >= 0 && y <= w-1 && y >= 0){ if (st[x][y]!=-1 && st[x][y]!=st[i][j]) ok = false; } } }; auto push = [&](int i,int j,int t)->void{ assert(st[i][j]!=-1); rep(kk,4){ int x,y; x = i + dx[kk]; y = j + dy[kk]; if (x <= h-1 && x >= 0 && y <= w-1 && y >= 0 && st[x][y]==-1){ s[t].insert(a[x][y]); } } }; unordered_map<int,pii> mp; rep(i,h) rep(j,w) mp[a[i][j]] = {i,j}; push(0, 0, 0); push(h-1, w-1, 1); rep(i,h*w){ pii p = mp[*(s[i%2].begin())]; s[i%2].erase(s[i%2].begin()); int mk = i%2; st[p.fi][p.se] = mk; push(p.fi, p.se, i%2); check(p.fi, p.se); if (!ok) break; } int ans = 0; rep(i,h) rep(j,w) if (st[i][j]!=-1) ans++; ans -= 2; out; return; } int main(){ ios::sync_with_stdio(false); cin.tie(0); int t = 1; //cin>>t; rep(i,t){ solve(); } return 0; }