結果
問題 | No.1315 渦巻洞穴 |
ユーザー | tails |
提出日時 | 2020-12-12 05:36:14 |
言語 | C (gcc 12.3.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 2,436 bytes |
コンパイル時間 | 262 ms |
コンパイル使用メモリ | 33,536 KB |
実行使用メモリ | 6,948 KB |
最終ジャッジ日時 | 2024-09-19 21:45:15 |
合計ジャッジ時間 | 2,918 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 1 ms
6,816 KB |
testcase_01 | AC | 1 ms
6,944 KB |
testcase_02 | AC | 1 ms
6,944 KB |
testcase_03 | AC | 1 ms
6,944 KB |
testcase_04 | AC | 0 ms
6,944 KB |
testcase_05 | AC | 1 ms
6,940 KB |
testcase_06 | AC | 1 ms
6,944 KB |
testcase_07 | AC | 1 ms
6,944 KB |
testcase_08 | AC | 1 ms
6,944 KB |
testcase_09 | AC | 1 ms
6,940 KB |
testcase_10 | AC | 1 ms
6,944 KB |
testcase_11 | AC | 1 ms
6,940 KB |
testcase_12 | AC | 0 ms
6,944 KB |
testcase_13 | AC | 1 ms
6,944 KB |
testcase_14 | AC | 1 ms
6,944 KB |
testcase_15 | AC | 1 ms
6,940 KB |
testcase_16 | AC | 2 ms
6,940 KB |
testcase_17 | AC | 1 ms
6,940 KB |
testcase_18 | AC | 2 ms
6,944 KB |
testcase_19 | AC | 1 ms
6,940 KB |
testcase_20 | AC | 2 ms
6,944 KB |
testcase_21 | AC | 2 ms
6,944 KB |
testcase_22 | AC | 2 ms
6,940 KB |
testcase_23 | AC | 1 ms
6,944 KB |
testcase_24 | AC | 1 ms
6,940 KB |
testcase_25 | AC | 1 ms
6,944 KB |
testcase_26 | AC | 2 ms
6,940 KB |
testcase_27 | AC | 2 ms
6,944 KB |
testcase_28 | AC | 2 ms
6,944 KB |
testcase_29 | AC | 1 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,944 KB |
testcase_31 | AC | 1 ms
6,944 KB |
testcase_32 | AC | 2 ms
6,944 KB |
testcase_33 | AC | 2 ms
6,944 KB |
testcase_34 | AC | 1 ms
6,940 KB |
testcase_35 | AC | 1 ms
6,944 KB |
testcase_36 | AC | 2 ms
6,940 KB |
testcase_37 | AC | 1 ms
6,944 KB |
testcase_38 | AC | 1 ms
6,944 KB |
testcase_39 | AC | 2 ms
6,940 KB |
testcase_40 | AC | 2 ms
6,944 KB |
testcase_41 | AC | 2 ms
6,940 KB |
testcase_42 | AC | 1 ms
6,940 KB |
testcase_43 | AC | 2 ms
6,940 KB |
testcase_44 | AC | 1 ms
6,940 KB |
testcase_45 | AC | 2 ms
6,940 KB |
testcase_46 | AC | 1 ms
6,944 KB |
testcase_47 | AC | 2 ms
6,940 KB |
testcase_48 | AC | 2 ms
6,944 KB |
testcase_49 | AC | 1 ms
6,940 KB |
testcase_50 | AC | 2 ms
6,940 KB |
testcase_51 | AC | 2 ms
6,940 KB |
testcase_52 | AC | 2 ms
6,944 KB |
testcase_53 | AC | 1 ms
6,940 KB |
testcase_54 | AC | 2 ms
6,940 KB |
testcase_55 | AC | 1 ms
6,944 KB |
testcase_56 | AC | 1 ms
6,944 KB |
testcase_57 | AC | 1 ms
6,940 KB |
testcase_58 | AC | 2 ms
6,944 KB |
testcase_59 | AC | 1 ms
6,944 KB |
testcase_60 | AC | 1 ms
6,940 KB |
testcase_61 | AC | 2 ms
6,944 KB |
testcase_62 | AC | 1 ms
6,944 KB |
testcase_63 | AC | 2 ms
6,940 KB |
testcase_64 | AC | 1 ms
6,940 KB |
testcase_65 | AC | 1 ms
6,940 KB |
testcase_66 | AC | 2 ms
6,944 KB |
testcase_67 | AC | 2 ms
6,940 KB |
testcase_68 | AC | 2 ms
6,940 KB |
testcase_69 | AC | 1 ms
6,944 KB |
testcase_70 | AC | 2 ms
6,944 KB |
testcase_71 | AC | 1 ms
6,940 KB |
testcase_72 | AC | 2 ms
6,944 KB |
testcase_73 | AC | 2 ms
6,948 KB |
testcase_74 | AC | 1 ms
6,940 KB |
testcase_75 | AC | 1 ms
6,944 KB |
testcase_76 | AC | 1 ms
6,944 KB |
testcase_77 | AC | 1 ms
6,940 KB |
testcase_78 | AC | 1 ms
6,940 KB |
testcase_79 | AC | 2 ms
6,940 KB |
testcase_80 | AC | 1 ms
6,944 KB |
testcase_81 | AC | 1 ms
6,940 KB |
コンパイルメッセージ
main.c: In function 'locate': main.c:15:20: warning: implicit declaration of function 'sqrt' [-Wimplicit-function-declaration] 15 | int r=(int)sqrt(s-1)+1&~1; | ^~~~ main.c:1:1: note: include '<math.h>' or provide a declaration of 'sqrt' +++ |+#include <math.h> 1 | #pragma GCC optimize("Ofast") main.c:15:20: warning: incompatible implicit declaration of built-in function 'sqrt' [-Wbuiltin-declaration-mismatch] 15 | int r=(int)sqrt(s-1)+1&~1; | ^~~~ main.c:15:20: note: include '<math.h>' or provide a declaration of 'sqrt' main.c: In function 'numat': main.c:34:20: warning: implicit declaration of function 'abs' [-Wimplicit-function-declaration] 34 | int r1=max(abs(x),abs(y)); | ^~~ main.c:1:1: note: include '<stdlib.h>' or provide a declaration of 'abs' +++ |+#include <stdlib.h> 1 | #pragma GCC optimize("Ofast") main.c: At top level: main.c:88:1: warning: return type defaults to 'int' [-Wimplicit-int] 88 | main(){ | ^~~~ main.c: In function 'main': main.c:147:9: warning: implicit declaration of function 'write' [-Wimplicit-function-declaration] 147 | write(1,wbuf,wp-wbuf); | ^~~~~ main.c:148:9: warning: implicit declaration of function '_exit'; did you mean '_Exit'? [-Wimplicit-function-declaration] 148 | _exit(0); | ^~~~~ | _Exit
ソースコード
#pragma GCC optimize("Ofast") #pragma GCC target("avx2") char*mmap(); #define RD(v) int v=0;{int _c;while(_c=*rp++-48,_c>=0)v=v*10+_c;} #define WT(v) {int _z=v,_n=0;long _d=0;while(++_n,_d=_d<<8|0x30|_z%10,_z/=10);*(long*)wp=_d;wp+=_n;} static inline int max(int a,int b){ return a>b?a:b; } void locate(int s,int*px,int*py){ int r=(int)sqrt(s-1)+1&~1; int r1=r>>1; int t=(r+1)*(r+1)-s; if(t<r){ *px=r1-t; *py=r1; }else if(t-=r,t<r){ *px=-r1; *py=r1-t; }else if(t-=r,t<r){ *px=-r1+t; *py=-r1; }else if(t-=r,1){ *px=r1; *py=-r1+t; } } int numat(int x,int y){ int r1=max(abs(x),abs(y)); int r=r1<<1; int t=r1==y?-x:r1==-x?r-y:r1==-y?r*2+x:r*3+y; return (r+1)*(r+1)-r1-t; } int vvs[33]; int cvs[200008]; char cpre[200008],wbuf[200040],*wp=wbuf; int cpren; int f1(int ox,int oy,int zx,int zy,int av){ int ov=numat(ox,oy); while(!(ox==zx&&oy==zy)){ int c; if(ox<zx){ ++ox; c=3; }else if(ox>zx){ --ox; c=2; }else if(oy<zy){ ++oy; c=1; }else{ --oy; c=0; } cpre[cpren]=c; int nv=numat(ox,oy); int vv=ov^nv; cvs[cpren]=vv; cpren++; int bw=31-__builtin_clz(vv); vvs[bw]=vv; av^=ov=nv; } return av; } int f2(int i,int n,int fv){ for(;i<n;++i){ *wp++="UDLR"[cpre[i]]; int vv=cvs[i]; int bw=31-__builtin_clz(vv); if(fv&1<<bw&&vv==vvs[bw]){ *wp++="DURL"[cpre[i]]; *wp++="UDLR"[cpre[i]]; fv&=~(1<<bw); } } return fv; } main(){ char*rp=mmap(0l,1l<<28,1,2,0,0ll); RD(s); RD(t); int sx,sy,tx,ty; locate(s,&sx,&sy); locate(t,&tx,&ty); int av=s; av=f1(sx,sy,0,0,av); int cprenhalf=cpren; av=f1(0,0,tx,ty,av); int k=abs(sx)+abs(sy)+abs(tx)+abs(ty); int fv=0,lv=0; for(int iv=1<<30;iv>=32;iv>>=1){ if(av&iv){ fv|=iv; av^=vvs[31-__builtin_clz(iv)]; k+=2; } } if(av&16){ lv|=16; av^=19^1; // 1 -> 1,6,19,6,1 k+=4; } if(av&8){ lv|=8; av^=8^1; // 1 -> 1,8,1 k+=2; } if(av&4){ lv|=4; av^=4^1; // 1 -> 1,4,1 k+=2; } if(av&2){ lv|=2; av^=2^1; // 1 -> 1,8,1 k+=2; } if(av&1){ lv|=1; av^=1; // 1 -> 1,2,3,2,1,2,1 k+=6; } *wp++='0'; *wp++='\n'; WT(k); *wp++='\n'; fv=f2(0,cprenhalf,fv); if(lv&16) *wp++='L',*wp++='L',*wp++='R',*wp++='R'; if(lv&8) *wp++='D',*wp++='U'; if(lv&4) *wp++='U',*wp++='D'; if(lv&2) *wp++='R',*wp++='L'; if(lv&1) *wp++='R',*wp++='U',*wp++='D',*wp++='L',*wp++='R',*wp++='L'; fv=f2(cprenhalf,cpren,fv); *wp++=10; write(1,wbuf,wp-wbuf); _exit(0); }