結果
問題 | No.1121 Social Distancing in Cinema |
ユーザー | LayCurse |
提出日時 | 2020-07-22 21:53:40 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 7,285 bytes |
コンパイル時間 | 2,834 ms |
コンパイル使用メモリ | 220,772 KB |
実行使用メモリ | 17,572 KB |
最終ジャッジ日時 | 2024-06-22 16:02:54 |
合計ジャッジ時間 | 13,047 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 | 4 ms
11,592 KB |
testcase_01 | AC | 4 ms
11,856 KB |
testcase_02 | AC | 4 ms
11,724 KB |
testcase_03 | AC | 4 ms
11,728 KB |
testcase_04 | AC | 4 ms
11,720 KB |
testcase_05 | AC | 4 ms
12,452 KB |
testcase_06 | AC | 4 ms
11,856 KB |
testcase_07 | AC | 4 ms
11,752 KB |
testcase_08 | AC | 4 ms
11,724 KB |
testcase_09 | WA | - |
testcase_10 | AC | 3 ms
11,724 KB |
testcase_11 | AC | 4 ms
11,724 KB |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | WA | - |
testcase_24 | WA | - |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | AC | 6 ms
11,864 KB |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | WA | - |
testcase_37 | WA | - |
testcase_38 | WA | - |
testcase_39 | WA | - |
testcase_40 | WA | - |
testcase_41 | WA | - |
testcase_42 | WA | - |
testcase_43 | WA | - |
testcase_44 | WA | - |
testcase_45 | WA | - |
testcase_46 | WA | - |
testcase_47 | AC | 4 ms
12,568 KB |
testcase_48 | AC | 4 ms
12,460 KB |
ソースコード
#pragma GCC optimize ("Ofast") #include<bits/stdc++.h> using namespace std; void *wmem; char memarr[96000000]; template<class T> inline void walloc1d(T **arr, int x, void **mem = &wmem){ static int skip[16] = {0, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1}; (*mem) = (void*)( ((char*)(*mem)) + skip[((unsigned long long)(*mem)) & 15] ); (*arr)=(T*)(*mem); (*mem)=((*arr)+x); } template<class T1> void sortA_L(int N, T1 a[], void *mem = wmem){ sort(a, a+N); } inline int my_getchar_unlocked(){ static char buf[1048576]; static int s = 1048576; static int e = 1048576; if(s == e && e == 1048576){ e = fread_unlocked(buf, 1, 1048576, stdin); s = 0; } if(s == e){ return EOF; } return buf[s++]; } inline void rd(int &x){ int k; int m=0; x=0; for(;;){ k = my_getchar_unlocked(); if(k=='-'){ m=1; break; } if('0'<=k&&k<='9'){ x=k-'0'; break; } } for(;;){ k = my_getchar_unlocked(); if(k<'0'||k>'9'){ break; } x=x*10+k-'0'; } if(m){ x=-x; } } struct MY_WRITER{ char buf[1048576]; int s; int e; MY_WRITER(){ s = 0; e = 1048576; } ~MY_WRITER(){ if(s){ fwrite_unlocked(buf, 1, s, stdout); } } } ; MY_WRITER MY_WRITER_VAR; void my_putchar_unlocked(int a){ if(MY_WRITER_VAR.s == MY_WRITER_VAR.e){ fwrite_unlocked(MY_WRITER_VAR.buf, 1, MY_WRITER_VAR.s, stdout); MY_WRITER_VAR.s = 0; } MY_WRITER_VAR.buf[MY_WRITER_VAR.s++] = a; } inline void wt_L(char a){ my_putchar_unlocked(a); } inline void wt_L(int x){ int s=0; int 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){ my_putchar_unlocked('-'); } while(s--){ my_putchar_unlocked(f[s]+'0'); } } template<class S> inline void arrInsert(const int k, int &sz, S a[], const S aval){ int i; sz++; for(i=sz-1;i>k;i--){ a[i] = a[i-1]; } a[k] = aval; } template<class S, class T> inline void arrInsert(const int k, int &sz, S a[], const S aval, T b[], const T bval){ int i; sz++; for(i=sz-1;i>k;i--){ a[i] = a[i-1]; } for(i=sz-1;i>k;i--){ b[i] = b[i-1]; } a[k] = aval; b[k] = bval; } template<class S, class T, class U> inline void arrInsert(const int k, int &sz, S a[], const S aval, T b[], const T bval, U c[], const U cval){ int i; sz++; for(i=sz-1;i>k;i--){ a[i] = a[i-1]; } for(i=sz-1;i>k;i--){ b[i] = b[i-1]; } for(i=sz-1;i>k;i--){ c[i] = c[i-1]; } a[k] = aval; b[k] = bval; c[k] = cval; } template<class S, class T, class U, class V> inline void arrInsert(const int k, int &sz, S a[], const S aval, T b[], const T bval, U c[], const U cval, V d[], const V dval){ int i; sz++; for(i=sz-1;i>k;i--){ a[i] = a[i-1]; } for(i=sz-1;i>k;i--){ b[i] = b[i-1]; } for(i=sz-1;i>k;i--){ c[i] = c[i-1]; } for(i=sz-1;i>k;i--){ d[i] = d[i-1]; } a[k] = aval; b[k] = bval; c[k] = cval; d[k] = dval; } template <class T> struct LHeap{ int *hp; int *place; int size; T *val; void malloc(int N){ hp = (int*)std::malloc(N*sizeof(int)); place=(int*)std::malloc(N*sizeof(int)); val=(T*)std::malloc(N*sizeof(T)); } void walloc(int N, void **mem=&wmem){ walloc1d(&hp, N, mem); walloc1d(&place, N, mem); walloc1d(&val, N, mem); } void free(){ std::free(hp); std::free(place); std::free(val); } void init(int N){ int i; size=0; for(i=(0);i<(N);i++){ place[i]=-1; } } void up(int n){ int m; while(n){ m=(n-1)/2; if(val[hp[m]]<=val[hp[n]]){ break; } swap(hp[m],hp[n]); swap(place[hp[m]],place[hp[n]]); n=m; } } void down(int n){ int m; for(;;){ m=2*n+1; if(m>=size){ break; } if(m+1<size&&val[hp[m]]>val[hp[m+1]]){ m++; } if(val[hp[m]]>=val[hp[n]]){ break; } swap(hp[m],hp[n]); swap(place[hp[m]],place[hp[n]]); n=m; } } void change(int n, T v){ T f = val[n]; val[n] = v; if(place[n]==-1){ place[n] = size; hp[size++] = n; up(place[n]); } else{ if(f < v){ down(place[n]); } else if(f > v){ up(place[n]); } } } int pop(void){ int res = hp[0]; place[res] = -1; size--; if(size){ hp[0]=hp[size]; place[hp[0]]=0; down(0); } return res; } } ; int N; int X[300000]; int Y[300000]; int cnt[300000]; int use[300000]; int mp[500][500]; int ress; int res[300000]; int sz; int dx[400]; int dy[400]; int main(){ wmem = memarr; LHeap<int> hp; int i; int j; int k; int si; int sj; rd(N); { int Lj4PdHRW; for(Lj4PdHRW=(0);Lj4PdHRW<(N);Lj4PdHRW++){ rd(X[Lj4PdHRW]);X[Lj4PdHRW] += (-1); rd(Y[Lj4PdHRW]);Y[Lj4PdHRW] += (-1); } } for(i=(-10);i<(11);i++){ for(j=(-10);j<(11);j++){ if(0 < i*i+j*j && i*i+j*j < 100){ arrInsert(sz, sz, dx, i, dy, j); } } } for(i=(0);i<(500);i++){ for(j=(0);j<(500);j++){ mp[i][j] = -1; } } for(i=(0);i<(N);i++){ mp[X[i]][Y[i]] = i; } for(i=(0);i<(N);i++){ for(j=(0);j<(sz);j++){ si = X[i] + dx[j]; sj = Y[i] + dy[j]; if(0 <= si && si < 500 && 0 <= sj && sj < 500 && mp[si][sj] >= 0){ cnt[i]++; } } } hp.malloc(N); hp.init(N); for(i=(0);i<(N);i++){ hp.change(i, cnt[i]); } while(90 * ress < N){ i = hp.pop(); res[ress++] = i; use[i] = 1; for(j=(0);j<(sz);j++){ si = X[i] + dx[j]; sj = Y[i] + dy[j]; if(0 <= si && si < 500 && 0 <= sj && sj < 500){ k = mp[si][sj]; if(k >= 0 && use[k]==0){ cnt[k]--; hp.change(k, cnt[k]); } } } } sortA_L(ress,res); wt_L(ress); wt_L('\n'); { int XJIcIBrW; if(ress==0){ wt_L('\n'); } else{ for(XJIcIBrW=(0);XJIcIBrW<(ress-1);XJIcIBrW++){ wt_L(res[XJIcIBrW]+1); wt_L(' '); } wt_L(res[XJIcIBrW]+1); wt_L('\n'); } } return 0; } // cLay varsion 20200509-1 // --- original code --- // int N, X[3d5], Y[3d5], cnt[3d5], use[3d5]; // int mp[500][500]; // int ress, res[3d5]; // // int sz, dx[400], dy[400]; // // { // LHeap<int> hp; // int i, j, k, si, sj; // rd(N,(X--,Y--)(N)); // // rep(i,-10,11) rep(j,-10,11) if(0 < i*i+j*j < 100) arrInsert(sz, sz, dx, i, dy, j); // // rep(i,500) rep(j,500) mp[i][j] = -1; // rep(i,N) mp[X[i]][Y[i]] = i; // // rep(i,N) rep(j,sz){ // si = X[i] + dx[j]; // sj = Y[i] + dy[j]; // if(0 <= si < 500 && 0 <= sj < 500 && mp[si][sj] >= 0) cnt[i]++; // } // // hp.malloc(N); // hp.init(N); // rep(i,N) hp.change(i, cnt[i]); // while(90 * ress < N){ // i = hp.pop(); // res[ress++] = i; // use[i] = 1; // rep(j,sz){ // si = X[i] + dx[j]; // sj = Y[i] + dy[j]; // if(0 <= si < 500 && 0 <= sj < 500){ // k = mp[si][sj]; // if(k >= 0 && use[k]==0){ // cnt[k]--; // hp.change(k, cnt[k]); // } // } // } // } // // sortA(ress,res); // wt(ress); // wt(res(ress)+1); // }