QOJ.ac
QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #431373 | #5830. 树 | Doqe | 0 | 997ms | 253088kb | C++17 | 2.5kb | 2024-06-05 13:58:33 | 2024-06-05 13:58:34 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N=1e6+10,B=20;
int n,I,U;char buf[1<<23],*p1=buf,*p2=buf,obuf[1<<23],*O=obuf;
#define getchar() (p1==p2&&(p2=(p1=buf)+fread(buf,1,1<<21,stdin),p1==p2)?EOF:*p1++)
inline int rd() {
int x=0,f=1;char ch=getchar();
while(!isdigit(ch)){if(ch=='-') f=-1;ch=getchar();}
while(isdigit(ch)) x=x*10+(ch^48),ch=getchar();
return x*f;
}
struct node
{
unsigned vl[N*4],u1[N*2],u2[N*2];
int Z;
pair<int,int>ask(int d,int k)
{
unsigned v1=vl[d ]-vl[d+U/2 ],
v2=vl[d+U/2 ]-vl[d+U ];
int r =(k&U-1),z=k-r;
if(r<U/2)
{
v1-=vl[d+U+z]-vl[d+k+1+U];
v1-=vl[d+k+1]-vl[d+U/2+z];
v2-=vl[d+U/2+z]-vl[d+U+z];
}
else
{
v1-=vl[d+z+U]-vl[d+z+U/2+U];
v2-=vl[d+z+U/2+U]-vl[d+k+1+U];
v2-=vl[d+k+1]-vl[d+U+z];
}
return make_pair((int)v1,(int)v2);
}
void shrink(int W)
{
while(Z>W)
{
if(Z>U)u2[Z-U]+=u2[Z];
u1[Z]+=u2[Z];u1[Z-1]+=u1[Z];
vl[Z]+=u1[Z];u1[Z]=u2[Z]=0;--Z;
}
}
void ins(int d,int v){Z=max(Z,d),u2[d]+=v;}
}V,C;
vector<pair<int,int>>Q[N];
vector<int>to[N];
int v[N],w[N],dep[N];
long long ans[N];
void ins(int d,int v){V.ins(d,v>>I&1),C.ins(d,1);}
void shrink(int W){V.shrink(W),C.shrink(W);}
long long ask(int d,int k)
{
auto k1=V.ask(d,k),k2=C.ask(d,k);
return (1ll*k1.first+k2.second-k1.second)<<I;
}
int task[N*2],cnt;
namespace Z
{
long long s[N*2],x[N];int Z;
long long ask(int d,int k){return s[d]-s[d+k+1];}
void shrink(int W)
{
while(Z>W){x[Z-1]+=x[Z];s[Z]+=x[Z];x[Z]=0;--Z;}
}
void ins(int d,int v){Z=max(Z,d),x[d]+=v;}
}
void pre(int u,int f,int D)
{
task[++cnt]=u;dep[u]=D;
for(auto k:Q[u])ans[k.second]-=Z::ask(D,min(k.first,n-D));
Z::ins(D,w[u]);
for(int v:to[u])pre(v,u,D+1);
Z::shrink(D-1);
for(auto k:Q[u])ans[k.second]+=Z::ask(D,min(k.first,n-D));
task[++cnt]=-u;
}
int main()
{
cin.tie(0)->sync_with_stdio(0);
n=rd();for(int i=1;i<=n;++i)v[i]=rd(),w[i]=v[i]>>B<<B,v[i]-=w[i];
for(int i=2;i<=n;++i)to[rd()].push_back(i);
int q;cin>>q;for(int i=1,x,k;i<=q;++i)cin>>x>>k,Q[x].emplace_back(k,i);
pre(1,0,1);
for(int i=0;i<B;++i)
{
#define mem(z) memset(V.z,0,sizeof V.z);memset(C.z,0,sizeof C.z)
mem(vl);
I=i,U=(1<<I+1);
for(int i=1;i<=cnt;++i)
{
int u=task[i],D=dep[abs(u)];
if(u>0)
{
for(auto k:Q[u])ans[k.second]-=ask(D,min(k.first,n-D));
ins(D,v[u]);
}
else
{
u=-u;shrink(D-1);
for(auto k:Q[u])ans[k.second]+=ask(D,min(k.first,n-D));
}
}
}
for(int i=1;i<=q;++i)cout<<ans[i]<<"\n";
}
詳細信息
Test #1:
score: 0
Wrong Answer
time: 40ms
memory: 99896kb
input:
2000 946347867 341162491 202762650 295215762 254064439 66267204 693162580 357612557 492940637 939526638 59775103 374919339 144042807 861369313 651043728 999024805 439554916 167782038 597475252 56704409 69846137 22185655 79439847 769194737 145071391 226046618 915359433 392527325 84982946 54584098 827...
output:
result:
wrong answer Answer contains longer sequence [length = 1999], but output contains 0 elements
Test #2:
score: 0
Wrong Answer
time: 85ms
memory: 106276kb
input:
99999 792064428 473106195 799314986 65440734 948726345 442414256 280245405 873012700 466192412 899092866 283555341 657824017 963883713 793944180 767444438 105576842 542107696 580140098 65321660 381184238 584604194 397414881 861590124 309323011 217641157 120832524 303744205 961590116 110259426 380351...
output:
3155729612 47128103538215
result:
wrong answer 1st numbers differ - expected: '2509771019', found: '3155729612'
Test #3:
score: 0
Wrong Answer
time: 315ms
memory: 253088kb
input:
1000000 947727010 179844140 923847675 171881267 5552129 974443359 989307850 869400987 126992154 527448411 141137718 136124474 917813105 392020809 79012342 473860575 969007624 833563354 90169336 878445705 84352622 403307122 733751738 670851448 942399068 731541999 101293644 545785337 964751520 9168003...
output:
54433770586153 18260725593880 180046079890317 236112671753085 334330718637694 91443852051908 388353675074 71479927112873 377152270851289 73854492742190 14243894931304 216776386786473 84509832104884 224824388893075 28915336266871 12556266101729 200220670789183 84035519864520 12257387555715 1041004734...
result:
wrong answer 1st numbers differ - expected: '322288180595345', found: '54433770586153'
Test #4:
score: 0
Wrong Answer
time: 355ms
memory: 252576kb
input:
1000000 264862971 751386013 921867736 711577153 262726588 565608444 975324815 440219681 107888226 928241413 729126923 283912914 86248857 896446999 12839598 651796991 139813366 105131395 341646170 839485925 939265720 844548518 102280410 457829889 8602879 737140565 17206920 974175632 535833885 8373832...
output:
87585929090603 134299969922399 272839538240629 21741184314071 2437373509768 194349491263043 186198970768718 82552980705132 73633384605130 121287407647988 250548543517319 35242547236368 62081004324097 94729279401055 4454373065965 345863050412856 136169399930366 226792585160996 7061564945161 882921243...
result:
wrong answer 1st numbers differ - expected: '1437301063221', found: '87585929090603'
Test #5:
score: 0
Wrong Answer
time: 440ms
memory: 150132kb
input:
1000000 978606419 773027389 111265179 979476504 280718851 476857501 751854950 579263969 848569548 781051974 31782627 533831186 812822170 111553645 297770650 331144396 676977983 2236128 258203325 75591120 676466973 60056446 494411414 286185093 92474576 173276071 535648669 87210101 355790411 880267291...
output:
58512011082 470670337834516 470670337834516 470189075187949 480283908093 60850186749 480283908093 470670337834516 470670337834516 470670337834516 470670337834516 121209613728 470670337834516 470670337834516 470189075187949 480283908093 126598188460 470670337834516 119429703395 368694733669348 469407...
result:
wrong answer 1st numbers differ - expected: '2258826661', found: '58512011082'
Test #6:
score: 0
Wrong Answer
time: 403ms
memory: 152316kb
input:
1000000 952470566 585754087 120174600 401525004 458588768 5487567 31210348 446333263 231409083 521960132 457721893 866842852 925207283 16805978 4706826 99640835 619272676 136536623 459247161 308807462 633687300 717271369 23906473 865522890 173799280 424309108 719410673 118906385 110627845 730629403 ...
output:
result:
wrong answer Answer contains longer sequence [length = 1000000], but output contains 0 elements
Test #7:
score: 0
Wrong Answer
time: 388ms
memory: 161036kb
input:
1000000 732367509 105027907 958920212 886798715 102486738 813075884 301085392 242303497 979657287 944859684 307768 438158233 561755409 740706505 791145209 283862713 828081846 771569552 59044985 600549571 191330226 438693570 36976319 810654215 220068818 771875421 740642902 839964155 206129566 2065543...
output:
result:
wrong answer Answer contains longer sequence [length = 1000000], but output contains 0 elements
Test #8:
score: 0
Wrong Answer
time: 377ms
memory: 155216kb
input:
1000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...
output:
85776432976
result:
wrong answer 1st numbers differ - expected: '3826404725', found: '85776432976'
Test #9:
score: 0
Wrong Answer
time: 391ms
memory: 161204kb
input:
1000000 465660691 982007525 816592310 377030959 572981469 679249520 86377999 709561525 940473306 35102782 886143915 792819787 903287397 264564177 857982095 91486434 217197704 123118964 383387342 820268798 497623987 255010796 607884194 848568529 38169627 197987657 421323589 664004905 485409127 696844...
output:
879634478 4045210847 470714274663072 94689197 345213023058742 420247196 335896985670321 470714274663072 554032755 494548514094 470714274663072 57186395137926 712202771 470714274663072 753620545 494548514094 475789348 345496140050946 634134286 470219260340878
result:
wrong answer 1st numbers differ - expected: '96094116015', found: '879634478'
Test #10:
score: 0
Wrong Answer
time: 997ms
memory: 169608kb
input:
1000000 665830082 788228483 245541444 289601309 641764988 150723484 925214020 557415731 310210969 379707835 517820381 883917428 134445288 775557009 444476671 89856268 655841087 888410254 37788122 694551869 563331754 488108584 839551943 415095075 445425438 35452604 562044723 640544531 146258096 66852...
output:
470629655599614 490567510977 470629655599614 470629655599614 453593758371932 490567510977 490567510977 460816292437471 1917207178 47016505129059 470629655599614 8525725 706386035 294062299078175 3089054852 470629655599614 470629655599614 490567510977 562582474 107704916156261 470138421777248 4701384...
result:
wrong answer 1st numbers differ - expected: '431856043', found: '470629655599614'