結果
問題 | No.114 遠い未来 |
ユーザー | LayCurse |
提出日時 | 2014-12-29 01:16:53 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 702 ms / 5,000 ms |
コード長 | 5,490 bytes |
コンパイル時間 | 1,420 ms |
コンパイル使用メモリ | 167,688 KB |
実行使用メモリ | 7,460 KB |
最終ジャッジ日時 | 2024-06-13 00:25:25 |
合計ジャッジ時間 | 6,125 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
(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 | 21 ms
6,812 KB |
testcase_01 | AC | 629 ms
6,940 KB |
testcase_02 | AC | 161 ms
6,940 KB |
testcase_03 | AC | 30 ms
6,940 KB |
testcase_04 | AC | 1 ms
6,944 KB |
testcase_05 | AC | 4 ms
6,940 KB |
testcase_06 | AC | 387 ms
6,940 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 1 ms
6,944 KB |
testcase_09 | AC | 7 ms
6,944 KB |
testcase_10 | AC | 102 ms
6,940 KB |
testcase_11 | AC | 302 ms
7,460 KB |
testcase_12 | AC | 476 ms
6,940 KB |
testcase_13 | AC | 702 ms
6,944 KB |
testcase_14 | AC | 247 ms
6,940 KB |
testcase_15 | AC | 343 ms
6,940 KB |
testcase_16 | AC | 179 ms
6,944 KB |
testcase_17 | AC | 89 ms
6,944 KB |
testcase_18 | AC | 125 ms
6,944 KB |
testcase_19 | AC | 58 ms
6,940 KB |
testcase_20 | AC | 18 ms
6,940 KB |
testcase_21 | AC | 4 ms
6,944 KB |
testcase_22 | AC | 7 ms
6,940 KB |
testcase_23 | AC | 1 ms
6,940 KB |
testcase_24 | AC | 2 ms
6,944 KB |
testcase_25 | AC | 1 ms
6,940 KB |
testcase_26 | AC | 1 ms
6,940 KB |
testcase_27 | AC | 1 ms
6,940 KB |
ソースコード
#include<bits/stdc++.h> using namespace std; #define REP(i,a,b) for(i=a;i<b;i++) #define rep(i,n) REP(i,0,n) #define mygc(c) (c)=getchar_unlocked() #define mypc(c) putchar_unlocked(c) #define ll long long #define ull unsigned ll void reader(int *x){int k,m=0;*x=0;for(;;){mygc(k);if(k=='-'){m=1;break;}if('0'<=k&&k<='9'){*x=k-'0';break;}}for(;;){mygc(k);if(k<'0'||k>'9')break;*x=(*x)*10+k-'0';}if(m)(*x)=-(*x);} void reader(ll *x){int k,m=0;*x=0;for(;;){mygc(k);if(k=='-'){m=1;break;}if('0'<=k&&k<='9'){*x=k-'0';break;}}for(;;){mygc(k);if(k<'0'||k>'9')break;*x=(*x)*10+k-'0';}if(m)(*x)=-(*x);} int reader(char c[]){int i,s=0;for(;;){mygc(i);if(i!=' '&&i!='\n'&&i!='\r'&&i!='\t'&&i!=EOF) break;}c[s++]=i;for(;;){mygc(i);if(i==' '||i=='\n'||i=='\r'||i=='\t'||i==EOF) break;c[s++]=i;}c[s]='\0';return s;} template <class T, class S> void reader(T *x, S *y){reader(x);reader(y);} template <class T, class S, class U> void reader(T *x, S *y, U *z){reader(x);reader(y);reader(z);} template <class T, class S, class U, class V> void reader(T *x, S *y, U *z, V *w){reader(x);reader(y);reader(z);reader(w);} void writer(int x, char c){int s=0,m=0;char f[10];if(x<0)m=1,x=-x;while(x)f[s++]=x%10,x/=10;if(!s)f[s++]=0;if(m)mypc('-');while(s--)mypc(f[s]+'0');mypc(c);} void writer(ll x, char c){int s=0,m=0;char f[20];if(x<0)m=1,x=-x;while(x)f[s++]=x%10,x/=10;if(!s)f[s++]=0;if(m)mypc('-');while(s--)mypc(f[s]+'0');mypc(c);} void writer(const char c[]){int i;for(i=0;c[i]!='\0';i++)mypc(c[i]);} void writer(const char x[], char c){int i;for(i=0;x[i]!='\0';i++)mypc(x[i]);mypc(c);} template<class T> void writerLn(T x){writer(x,'\n');} template<class T, class S> void writerLn(T x, S y){writer(x,' ');writer(y,'\n');} template<class T, class S, class U> void writerLn(T x, S y, U z){writer(x,' ');writer(y,' ');writer(z,'\n');} template<class T> void writerArr(T x[], int n){int i;if(!n){mypc('\n');return;}rep(i,n-1)writer(x[i],' ');writer(x[n-1],'\n');} template<class T> void* setUndirectEdge(int N, int M, int A[], int B[], T C[], int **es, int ***edge, T ***cost, void *workMemory){int i;*es=(int*)workMemory;*edge=(int**)((*es)+N);(*edge)[0]=(int*)((*edge)+N);rep(i,N)(*es)[i]=0;rep(i,M)(*es)[A[i]]++,(*es)[B[i]]++;REP(i,1,N)(*edge)[i]=(*edge)[i-1]+(*es)[i-1];(*cost)=(T**)((*edge)[N-1]+(*es)[N-1]);(*cost)[0]=(T*)((*cost)+N);REP(i,1,N)(*cost)[i]=(*cost)[i-1]+(*es)[i-1];workMemory=(void*)((*cost)[N-1]+(*es)[N-1]);rep(i,N)(*es)[i]=0;rep(i,M)(*edge)[A[i]][(*es)[A[i]]]=B[i],(*cost)[A[i]][(*es)[A[i]]++]=C[i],(*edge)[B[i]][(*es)[B[i]]]=A[i],(*cost)[B[i]][(*es)[B[i]]++]=C[i];return workMemory;} template<class T> void sort(int N, T a[], void *mem = NULL){sort(a,a+N);} template<class T1, class T2> void sort(int N, T1 a[], T2 b[], void *mem){int i;pair<T1,T2> *r=(pair<T1, T2>*)mem;rep(i,N)r[i].first=a[i],r[i].second=b[i];sort(r,r+N);rep(i,N)a[i]=r[i].first,b[i]=r[i].second;} template<class T1, class T2, class T3> void sort(int N, T1 a[], T2 b[], T3 c[], void *mem){int i;pair<T1,pair<T2,T3> > *r=(pair<T1,pair<T2,T3> >*)mem;rep(i,N)r[i].first=a[i],r[i].second.first=b[i],r[i].second.second=c[i];sort(r,r+N);rep(i,N)a[i]=r[i].first,b[i]=r[i].second.first,c[i]=r[i].second.second;} template<class T1, class T2, class T3, class T4> void sort(int N, T1 a[], T2 b[], T3 c[], T4 d[], void *mem){int i;pair<pair<T1,T2>,pair<T3,T4> > *r=(pair<pair<T1,T2>,pair<T3,T4> >*)mem;rep(i,N)r[i].first.first=a[i],r[i].first.second=b[i],r[i].second.first=c[i],r[i].second.second=d[i];sort(r,r+N);rep(i,N)a[i]=r[i].first.first,b[i]=r[i].first.second,c[i]=r[i].second.first,d[i]=r[i].second.second;} void unionInit(int d[],int s){int i;rep(i,s)d[i]=i;} int unionGet(int d[],int n){int t=n,k;while(d[t]!=t)t=d[t];while(d[n]!=n)k=d[n],d[n]=t,n=k;return n;} int unionConnect(int d[],int a,int b){a=unionGet(d,a);b=unionGet(d,b);if(a==b)return 0;d[a]=b;return 1;} #define INF 1000000000 int N, M, T; int A[10000], B[10000], C[10000]; int mat[99][99]; int V[1000], use[1000]; int *es, **edge, **cost; int prefield(void *mem){ int S, E, x, p, q; const int n = N; const int numT = T; if (numT <= 1) return 0; int (*OPT)[1<<numT] = (int(*)[1<<numT]) mem; rep(x,n) rep(S,1<<numT) OPT[x][S] = INF; rep(p,numT) rep(q,n) OPT[q][1<<p] = mat[V[p]][q]; for(S=1;S<1<<numT;S++) if(S & (S-1)){ rep(p,n) for(E=(S-1)&S;E;E=(E-1)&S) OPT[p][S] = min(OPT[p][S], OPT[p][E] + OPT[p][S^E]); rep(p,n) rep(q,n) OPT[p][S] = min(OPT[p][S], OPT[q][S]+mat[p][q]); } return OPT[V[0]][(1<<numT)-1]; } int main(){ int i, j, k, mask; int res = INF, tmp, r; int ind[100]; void *mem = malloc(100000000); reader(&N,&M,&T); rep(i,M) reader(A+i,B+i,C+i), A[i]--, B[i]--; rep(i,T) reader(V+i), V[i]--; rep(i,N) rep(j,N) mat[i][j] = INF; rep(i,N) mat[i][i] = 0; rep(i,M) mat[A[i]][B[i]] = mat[B[i]][A[i]] = C[i]; rep(k,N) rep(i,N) rep(j,N) mat[i][j] = min(mat[i][j], mat[i][k]+mat[k][j]); if(T <= 14){ res = prefield(mem); } else { rep(i,N) use[i] = 1; rep(i,T) use[V[i]] = 0; T = 0; rep(i,N) if(use[i]) V[T++] = i; sort(M,C,A,B,mem); rep(mask, 1<<T){ tmp = 0; r = N-T-1; rep(i,T) if(mask&1<<i) use[V[i]] = 0, r++; unionInit(ind, N); rep(i,M) if(!use[A[i]] && !use[B[i]]){ if(unionConnect(ind, A[i], B[i])) tmp += C[i], r--; if(tmp >= res || r==0) break; } rep(i,T) if(mask&1<<i) use[V[i]] = 1; if(r) continue; res = min(res, tmp); } } writerLn(res); return 0; }