結果
問題 | No.994 ばらばらコイン |
ユーザー | east1016 |
提出日時 | 2020-02-28 17:47:14 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 7,636 bytes |
コンパイル時間 | 2,433 ms |
コンパイル使用メモリ | 217,552 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-10-13 16:27:14 |
合計ジャッジ時間 | 3,049 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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 | 1 ms
5,248 KB |
testcase_01 | AC | 0 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 1 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 2 ms
5,248 KB |
testcase_06 | AC | 2 ms
5,248 KB |
testcase_07 | AC | 2 ms
5,248 KB |
testcase_08 | AC | 2 ms
5,248 KB |
testcase_09 | AC | 1 ms
5,248 KB |
testcase_10 | AC | 2 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 1 ms
5,248 KB |
testcase_13 | AC | 1 ms
5,248 KB |
testcase_14 | AC | 2 ms
5,248 KB |
testcase_15 | AC | 2 ms
5,248 KB |
testcase_16 | AC | 1 ms
5,248 KB |
testcase_17 | AC | 2 ms
5,248 KB |
testcase_18 | AC | 2 ms
5,248 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 2 ms
5,248 KB |
testcase_21 | AC | 2 ms
5,248 KB |
testcase_22 | AC | 2 ms
5,248 KB |
コンパイルメッセージ
main.cpp:52:11: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 52 | void Vout(auto a){if(a.size()==0) cout<<"."<<endl; | ^~~~ main.cpp:54:11: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 54 | void Verr(auto a){if(a.size()==0) cerr<<"."<<endl; | ^~~~ main.cpp:56:12: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 56 | void VVout(auto a){if(a.size()==0)cout<<"."<<endl; | ^~~~ main.cpp:58:12: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 58 | void VVerr(auto a){if(a.size()==0)cerr<<"."<<endl; | ^~~~ main.cpp:60:12: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 60 | void VPout(auto a){if(a.size()==0)cout<<"."<<endl; | ^~~~ main.cpp:62:12: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 62 | void VPerr(auto a){if(a.size()==0)cerr<<"."<<endl; | ^~~~ main.cpp:80:12: warning: use of 'auto' in parameter declaration only available with '-std=c++20' or '-fconcepts' 80 | void press(auto &v){v.erase(unique(ALL(v)),v.end());} // 圧縮 | ^~~~
ソースコード
#include <bits/stdc++.h> // ver2.4.5 #include <complex.h> //#include <boost/math/tools/minima.hpp> //#include <boost/multiprecision/cpp_int.hpp> #define fmin brent_find_minima #define int long long #define endl "\n" #define ALL(v) (v).begin(),(v).end() #define Vi vector<int> #define VVi vector<Vi> #define VVVi vector<VVi> #define Vm vector<mint> #define Vs vector<string> #define Pii pair<int,int> #define Pdd pair<double,double> #define VPii vector<Pii> #define Tiii tuple<int,int,int> #define VTiii vector<Tiii> #define PQi priority_queue<int> #define PQir priority_queue<int,vector<int>,greater<int>> #define pb push_back #define mp make_pair #define mt make_tuple #define itos to_string #define stoi stoll #define FI first #define SE second #define cYES cout<<"YES"<<endl #define cNO cout<<"NO"<<endl #define cYes cout<<"Yes"<<endl #define cNo cout<<"No"<<endl #define cyes cout<<"yes"<<endl #define cno cout<<"no"<<endl #define sortr(v) sort(v,greater<>()) #define rep(i,a,b) for(int i=a;i<b;i++) #define repeq(i,a,b) for(int i=a;i<=b;i++) #define repreq(i,a,b) for(int i=a;i>=b;i--) #define dem(a,b) ((a+b-1)/(b)) #define Vin(a) rep(iI,0,a.size())cin>>a[iI] #define INF 3000000000000000000 // 3.0*10^18(MAXの1/3くらい) #define MAX LLONG_MAX #define PI 3.141592653589793238462 #define MOD 1000000007 // 10^9 + 7 using namespace std; /* fmin(f,L,R,100) で関数の最小値を(x,min)で返す */ //using boost::math::tools::brent_find_minima; /* cpp_int (任意の長さのint) */ //using boost::multiprecision::cpp_int; /* デバッグ用 */ void Vout(auto a){if(a.size()==0) cout<<"."<<endl; else{rep(i,0,a.size()-1)cout<<a[i]<<' ';if(a.size()>0)cout<<a.back()<<endl;}return;} void Verr(auto a){if(a.size()==0) cerr<<"."<<endl; else{rep(i,0,a.size()-1)cerr<<a[i]<<' ';if(a.size()>0)cerr<<a.back()<<endl;}return;} void VVout(auto a){if(a.size()==0)cout<<"."<<endl; else{rep(i,0,a.size())Vout(a[i]);}return;} void VVerr(auto a){if(a.size()==0)cerr<<"."<<endl; else{rep(i,0,a.size())Verr(a[i]);}return;} void VPout(auto a){if(a.size()==0)cout<<"."<<endl; else{rep(i,0,a.size())cout<<a[i].FI<<' '<<a[i].SE<<endl;}return;} void VPerr(auto a){if(a.size()==0)cerr<<"."<<endl; else{rep(i,0,a.size())cerr<<a[i].FI<<' '<<a[i].SE<<endl;}return;} /* 便利関数 */ int gcd(int a,int b){return b?gcd(b,a%b):a;} // 最大公約数gcd int lcm(int a,int b){return a/gcd(a,b)*b;} // 最小公倍数lcm int mypow(int x, int n, int m){ // 累乗x^n(mod m) O(log(n)) if(n==0)return 1;if(n%2==0)return mypow(x*x%m,n/2,m);else return x*mypow(x,n-1,m)%m;} int scomb(int n, int r){if(r<0||r>n)return 0;if((n-r)<r)r=n-r; // nCr int a=1;for(int i=n;i>n-r;--i){a=a*i;}for(int i=1;i<r+1;++i){a=a/i;}return a;} int comb(int n, int r){if(r<0||r>n)return 0;if((n-r)<r)r=n-r; // nCr(%MOD) int a=1;for(int i=n;i>n-r;--i){a=a*i%MOD;}for(int i=1; i<r+1;++i){a=a*mypow(i,MOD-2,MOD)%MOD;}return a%MOD;} Vi stpowV(){Vi a(100005); a[0]=1;repeq(i,1,100004)a[i]=a[i-1]*i%MOD;return a;} //Vi stpow = stpowV(); // 階乗配列(%MOD) Vi vis(Vi &v){Vi S(v.size()+1);rep(i,1,S.size())S[i]+=v[i-1]+S[i-1];return S;} // 累積和 int digit(int k,int i){string s = itos(k);return s[s.size()-i]-'0';} // i桁目の数字 void press(auto &v){v.erase(unique(ALL(v)),v.end());} // 圧縮 Vi zip(Vi b){int Z=b.size(); // 座標圧縮 Pii p[Z+10];int a=b.size();Vi l(a);for(int i=0;i<a;i++) p[i]=mp(b[i],i);sort(p,p+a);int w=0;for(int i=0;i<a;i++) {if(i&&p[i].first!=p[i-1].first)w++;l[p[i].second]=w;}return l;} Vi beki2V(){Vi a(63);int q = 1;rep(i,0,63){a[i]=q;q*=2;}return a;} Vi beki2 = beki2V(); // 2^n配列 int modiv(int a,int b){return a*mypow(b,MOD-2,MOD)%MOD;} // a÷b(MOD環境) int SMALLER(Vi &a,int x){return lower_bound(a.begin(),a.end(),x)-a.begin();} int orSMALLER(Vi &a,int x){return upper_bound(a.begin(),a.end(),x)-a.begin();} int BIGGER(Vi &a,int x){return a.size()-orSMALLER(a,x);} int orBIGGER(Vi &a,int x){return a.size()-SMALLER(a,x);} int COUNT(Vi &a,int x) {return upper_bound(ALL(a),x)-lower_bound(ALL(a),x);} Vi par; Vi dep; VVi chi; Vi chisize; Vi longest; struct TreeAna { VVi parII; VPii memot; Vi treeFI; TreeAna(int n) { par = Vi(n); dep = Vi(n); chi = VVi(n); } void set_parII(){ int n = par.size(); parII = VVi(n,Vi(20,-1)); rep(i,0,n) parII[i][0] = par[i]; rep(i,0,19){ rep(j,0,n){ if(parII[j][i] == -1) parII[j][i+1] = -1; else parII[j][i+1] = parII[parII[j][i]][i]; } } return; } int lca(int u,int v) { // 頂点uと頂点vの共通の"先祖"で一番近いやつを返す if(dep[u] > dep[v]) swap(u,v); for(int i=19;i>=0;i--) { if(((dep[v]-dep[u])>>i)&1) v = parII[v][i]; } if(u==v) return u; for(int i=19;i>=0;i--) { if(parII[u][i] != parII[v][i]){ u = parII[u][i]; v = parII[v][i]; } } return parII[u][0]; } void connect(int a,int b) { memot.pb(mp(a,b)); memot.pb(mp(b,a)); return; } void preset() { sort(ALL(memot)); rep(i,0,memot.size()) treeFI.pb(memot[i].FI); return; } void make(int root) { int st,en,now; int n = par.size(); par = Vi(n,-2); dep = par; chi = VVi(n,Vi(0)); par[root] = -1; dep[root] = 0; queue<int> next; next.push(root); while(!next.empty()){ now = next.front(); next.pop(); st = lower_bound(ALL(treeFI), now)-treeFI.begin(); en = upper_bound(ALL(treeFI), now)-treeFI.begin(); rep(i,st,en){ if(par[memot[i].SE]!=-2) continue; next.push(memot[i].SE); chi[now].pb(memot[i].SE); par[memot[i].SE] = now; dep[memot[i].SE] = dep[now]+1; } } } void makechisize() { int n = par.size(); chisize = Vi(n,0); Vi chinasi(0); rep(i,0,n) if(chi[i].size()==0) chinasi.pb(i); VVi dev(n+5); rep(i,0,n) { dev[dep[i]].pb(i); } repreq(i,n+3,0){ rep(j,0,dev[i].size()){ if(par[dev[i][j]]==-1) continue; chisize[par[dev[i][j]]] += chisize[dev[i][j]]+1; } } return; } void makelongest() { int n = par.size(); longest = Vi(n,-1); Vi chinasi(0); rep(i,0,n) {if(chi[i].size()==0) chinasi.pb(i);} rep(i,0,chinasi.size()){ int now = chinasi[i]; int ct = 0; while(1) { if(longest[now] >= ct) break; else { longest[now] = ct; ct++; if(par[now] == -1) break; now = par[now]; } } } return; } /* 使い方 */ /* TreeAna tree(n) // 宣言 nは頂点数 tree.connect(a,b) // 頂点aとbをつなぐ(0-index) tree.preset(); // 頂点をつなぎ終わったら必ずこれをする!!!!!!! tree.make(k); // 頂点kを根としてpar,dep,chiを作り上げる tree.makechisize(); // 頂点が持つ子の総数の配列 Vi chisize を作り上げる tree.makelongest(); // 頂点から何回下にいけるかのヤツ(Vi longest)を作り上げる tree.set_parII() // lcaを使う前に必ずこれをする!!!!!!! tree.lca(a,b) // 頂点aとbの共通の"先祖"で一番近い"頂点"を返す */ }; signed main() { cin.tie(0);cout.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(12); int n,k; cin >> n >> k; if(n < k){ cout << -1 << endl; return 0; } cout << k-1 << endl; /* TreeAna tree(n); int qw,er; rep(i,0,n-1){ cin >> qw >> er; qw--,er--; tree.connect(qw,er); } tree.preset(); tree.make(0); int now = 1; queue<int> nex; nex.push(0); while(1){ } */ return 0; }