結果
問題 | No.1400 すごろくで世界旅行 |
ユーザー | snuke |
提出日時 | 2021-02-19 22:46:44 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 846 ms / 3,153 ms |
コード長 | 3,607 bytes |
コンパイル時間 | 2,684 ms |
コンパイル使用メモリ | 213,372 KB |
実行使用メモリ | 43,520 KB |
最終ジャッジ日時 | 2024-09-16 21:17:16 |
合計ジャッジ時間 | 5,141 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge6 |
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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
5,248 KB |
testcase_01 | AC | 2 ms
5,376 KB |
testcase_02 | AC | 2 ms
5,376 KB |
testcase_03 | AC | 2 ms
5,376 KB |
testcase_04 | AC | 2 ms
5,376 KB |
testcase_05 | AC | 2 ms
5,376 KB |
testcase_06 | AC | 3 ms
5,376 KB |
testcase_07 | AC | 4 ms
5,376 KB |
testcase_08 | AC | 2 ms
5,376 KB |
testcase_09 | AC | 2 ms
5,376 KB |
testcase_10 | AC | 3 ms
5,376 KB |
testcase_11 | AC | 2 ms
5,376 KB |
testcase_12 | AC | 9 ms
5,376 KB |
testcase_13 | AC | 135 ms
43,392 KB |
testcase_14 | AC | 90 ms
11,520 KB |
testcase_15 | AC | 89 ms
11,264 KB |
testcase_16 | AC | 89 ms
11,520 KB |
testcase_17 | AC | 846 ms
43,520 KB |
testcase_18 | AC | 112 ms
27,392 KB |
testcase_19 | AC | 2 ms
5,376 KB |
testcase_20 | AC | 2 ms
5,376 KB |
ソースコード
#include <bits/stdc++.h> #define fi first #define se second #define rep(i,n) for(int i = 0; i < (n); ++i) #define rrep(i,n) for(int i = 1; i <= (n); ++i) #define drep(i,n) for(int i = (n)-1; i >= 0; --i) #define srep(i,s,t) for (int i = s; i < t; ++i) #define rng(a) a.begin(),a.end() #define rrng(a) a.rbegin(),a.rend() #define isin(x,l,r) ((l) <= (x) && (x) < (r)) #define pb push_back #define eb emplace_back #define sz(x) (int)(x).size() #define pcnt __builtin_popcountll #define uni(x) x.erase(unique(rng(x)),x.end()) #define snuke srand((unsigned)clock()+(unsigned)time(NULL)); #define show(x) cerr<<#x<<" = "<<x<<endl; #define PQ(T) priority_queue<T,v(T),greater<T> > #define bn(x) ((1<<x)-1) #define dup(x,y) (((x)+(y)-1)/(y)) #define newline puts("") #define v(T) vector<T> #define vv(T) v(v(T)) using namespace std; typedef long long int ll; typedef unsigned uint; typedef unsigned long long ull; typedef pair<int,int> P; typedef tuple<int,int,int> T; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<ll> vl; typedef vector<P> vp; typedef vector<T> vt; int getInt(){int x;scanf("%d",&x);return x;} template<typename T>istream& operator>>(istream&i,v(T)&v){rep(j,sz(v))i>>v[j];return i;} template<typename T>string join(const v(T)&v){stringstream s;rep(i,sz(v))s<<' '<<v[i];return s.str().substr(1);} template<typename T>ostream& operator<<(ostream&o,const v(T)&v){if(sz(v))o<<join(v);return o;} template<typename T1,typename T2>istream& operator>>(istream&i,pair<T1,T2>&v){return i>>v.fi>>v.se;} template<typename T1,typename T2>ostream& operator<<(ostream&o,const pair<T1,T2>&v){return o<<v.fi<<","<<v.se;} template<typename T>bool mins(T& x,const T&y){if(x>y){x=y;return true;}else return false;} template<typename T>bool maxs(T& x,const T&y){if(x<y){x=y;return true;}else return false;} template<typename T>ll suma(const v(T)&a){ll res(0);for(auto&&x:a)res+=x;return res;} const double eps = 1e-10; const ll LINF = 1001002003004005006ll; const int INF = 1001001001; #define dame { puts("No"); return;} #define yn {puts("Yes");}else{puts("No");} const int MX = 200005; typedef v(string) vs; random_device _rd; struct xrand { static const uint64_t _x = 88172645463325252ull; uint64_t x; xrand(): x(_x ^ (_rd()+time(0))) {} xrand(uint64_t seed): x(_x ^ seed) {} uint64_t get() { x = x ^ (x << 7); return x = x ^ (x >> 9); } int operator()(int n) { return get()%n;} int operator()(int l, int r) { return get()%(r-l+1) + l;} } rnd; struct Solver { void solve() { int n; ll d; scanf("%d",&n); cin>>d; vs s(n); cin>>s; int n2 = n*2; // vi g(n2,vi(n2,INF)); vvi to(n2); rep(i,n)rep(j,n) if (s[i][j] == '1') { to[i].pb(n+j); to[n+i].pb(j); } vi ok(n2); int cnt = 0; rep(ssv,n) { int sv = ssv; while (!ok[sv] && cnt < 100) { vi dist(n2,INF); queue<int> q; q.push(sv); dist[sv] = 0; while (sz(q)) { int v = q.front(); q.pop(); for (int u : to[v]) { if (dist[u] != INF) continue; dist[u] = dist[v]+1; q.push(u); } } int ma = 0; int o = (d%2)?n:0; rep(i,n) if (!ok[i]) maxs(ma, dist[o+i]); if (ma == INF) dame; if (ma > d) dame; rep(i,n) if (dist[i]+ma <= d) ok[i] = 1; ok[sv] = 1; rep(i,n) if (!ok[i] && ma == dist[o+i]) sv = i; ++cnt; } } cout<<"Yes"<<endl; } }; int main() { int ts = 1; // scanf("%d",&ts); rrep(ti,ts) { Solver solver; solver.solve(); } return 0; }