QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #342624 | #601. 李超树 | EXODUS# | AC ✓ | 652ms | 1203316kb | C++14 | 2.4kb | 2024-03-01 13:55:19 | 2024-03-01 13:55:19 |
Judging History
answer
#include<vector>
#include<algorithm>
#include<cassert>
namespace exodus{
struct lichao_segtree{
public:
typedef long long ll;
struct func{
int k;ll b;
func(){k=inf,b=infll;}
explicit func(int _k,ll _b):k(_k),b(_b){}
ll operator ()(int x){return b==infll?infll:(ll)k*x+b;}
};
struct node{
int ls,rs;
func fun;
node():ls(0),rs(0){}
};
lichao_segtree(){}
explicit lichao_segtree(int n){rt=0;total_size=1,limit_size=n*128+7,nd.resize(limit_size,node());}
void insert(int ql,int qr,func v){
if(ql>qr)
return;
__insert(rt,-1e9,1e9,ql,qr,v);
}
ll query(int p){
return __query(rt,-1e9,1e9,p);
}
private:
static constexpr int inf=0x3f3f3f3f;
static constexpr ll infll=0x3f3f3f3f3f3f3f3f;
std::vector<node>nd;
int rt,total_size,limit_size;
void __insert(int& k,int l,int r,func v){
if(!k)
k=total_size++,assert(total_size<=limit_size);
int mid=(l+r)>>1;
if(nd[k].fun(mid)>v(mid))
std::swap(nd[k].fun,v);
if(nd[k].fun(l)>v(l))
__insert(nd[k].ls,l,mid,v);
else if(nd[k].fun(r)>v(r))
__insert(nd[k].rs,mid+1,r,v);
return;
}
void __insert(int& k,int l,int r,int ql,int qr,func v){
if(!k)
k=total_size++,assert(total_size<=limit_size);
if(ql<=l&&r<=qr)
return __insert(k,l,r,v);
int mid=(l+r)>>1;
if(ql<=mid)
__insert(nd[k].ls,l,mid,ql,qr,v);
if(mid<qr)
__insert(nd[k].rs,mid+1,r,ql,qr,v);
return;
}
ll __query(int k,int l,int r,int p){
if(!k)
return infll;
ll res=infll;
res=std::min(res,nd[k].fun(p));
if(l==r)
return res;
int mid=(l+r)>>1;
if(p<=mid)
res=std::min(res,__query(nd[k].ls,l,mid,p));
else
res=std::min(res,__query(nd[k].rs,mid+1,r,p));
return res;
}
};
}
#include<bits/stdc++.h>
using namespace std;
int main(){
static constexpr long long infll=0x3f3f3f3f3f3f3f3f;
cin.tie(nullptr)->sync_with_stdio(false);
int n,q;
cin>>n>>q;
exodus::lichao_segtree sgt(n+q);
for(int i=1;i<=n;i++){
int l,r,a;long long b;
cin>>l>>r>>a>>b;
sgt.insert(l,r-1,exodus::lichao_segtree::func(a,b));
}
for(int qid=1,op;qid<=q;qid++){
cin>>op;
if(op==0){
int l,r,a;long long b;
cin>>l>>r>>a>>b;
sgt.insert(l,r-1,exodus::lichao_segtree::func(a,b));
}else{
int p;
cin>>p;
auto res=sgt.query(p);
if(res==infll)cout<<"NO"<<'\n';
else cout<<res<<'\n';
}
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 396ms
memory: 1203316kb
input:
200000 200000 -999998847 -564701 0 0 -999993210 -562917 1 573969 -999989880 -560888 2 1147938 -999978625 -556992 3 1721907 -999976497 -554201 4 2295876 -999970456 -549858 5 2869845 -999961708 -549366 6 3443814 -999955817 -540635 7 4017783 -999950965 -539043 8 4591752 -999948875 -537042 9 5165721 -99...
output:
NO NO -50183563496000 -42956317210716 -49932020483680 3156971371995 -4205699747460 -50012287547303 161201413663722 127620184662654 -38152414490346 -6875394617322 -49441462985560 -10483501086163 -46614758184768 -7756362089800 150282043411500 1349780114496 107332409877630 6247978807520 45244266232880 ...
result:
ok 200000 lines
Test #2:
score: 0
Accepted
time: 652ms
memory: 1203252kb
input:
200000 200000 -471243687 508625098 391807640 -342283806983648705 -340210383 47829053 -391880620 240209487116192693 -274545508 770445695 616772252 -144712167052367176 -880188114 -308896220 -693352586 -29355468444432145 381012675 658211153 -277370657 -223335522481190637 -695379495 -366915786 916546493...
output:
-1397453600647334843 -1029976041695367028 -1052910313176684616 -1818408630134327681 -1209457358134828750 -1718397108261908307 -1355662362476717627 -1314910767061006651 -1106268941848967229 -1898224683466047425 -1657509250418930516 -1221436786841522225 -1155460525928842979 -1903550645895237593 -14152...
result:
ok 100335 lines
Test #3:
score: 0
Accepted
time: 601ms
memory: 1203160kb
input:
200000 200000 -735295803 194740970 -863012076 -698790457051536473 -561484685 878894370 -765835546 -885917094660675427 -28147679 -16062512 483876049 516657482726369446 -429018489 295071279 131635136 176429380546917807 227945873 812402553 -271742271 840365646909653826 -834426713 586084304 -547529179 9...
output:
-1664569700711813373 -1053333531588024159 -1000491242308628672 -1733677560351050737 -1609398765293517656 -1328984616378576478 -1129160009603686487 -1588136817928450256 -1060123157746468129 -1738321946600932313 -1778468400542602960 -1436283563532364758 -1569612247881992970 -1086963267195631293 -13664...
result:
ok 99748 lines
Test #4:
score: 0
Accepted
time: 581ms
memory: 1203124kb
input:
200000 200000 -317847977 525536138 -997971963 128013476466794548 -548036883 337160985 -145974075 -195700861334636300 -724867754 -641003610 -760696431 -359739374654262877 -601681719 -64013647 216235416 -9458860324088657 -869002669 -536458711 -879969477 -267325832619409885 -887381150 -769771700 -32115...
output:
-1791119671831542466 -1562381666739252256 -1454944338598593191 -1100019661714702943 -1358372216736681172 -1196772147857670480 -1031894514403881624 -1446980382657653744 -1184499370667032484 -1123815059406541220 -1444259966996486892 -1076651931585643352 -1429556580885548952 -1910634429451024811 -12333...
result:
ok 100148 lines
Test #5:
score: 0
Accepted
time: 395ms
memory: 832508kb
input:
127669 148779 -471243687 508625098 391807640 -342283806983648705 -340210383 47829053 -391880620 240209487116192693 -274545508 770445695 616772252 -144712167052367176 -880188114 -308896220 -693352586 -29355468444432145 381012675 658211153 -277370657 -223335522481190637 -695379495 -366915786 916546493...
output:
-1116303818668273275 -1122282748919053950 -1833076145009619469 -1735834163503511299 -1154226917746696725 -1201176061522101225 -1419810711107983900 -1001069231171665854 -1865049592010438359 -1784695455689716511 -1902466130932019738 -1644603386432638268 -1213091162572113800 -1640076278676242796 -14316...
result:
ok 74399 lines
Test #6:
score: 0
Accepted
time: 423ms
memory: 901772kb
input:
150763 148757 -16062512 483876049 742203046 65718231886186737 -114582987 468042711 -913913563 484150211974036615 -448333502 614182218 6577596 -769509849750146393 -710428914 -12354532 497635710 -832906464305757785 -535251031 179614260 -876417353 -806315550178417183 273278837 819733107 -16863556 -7702...
output:
-1134246418002297778 -1465564391209986828 -1088160987472810573 -1570526469596326480 -1599782607445546091 -1391396854062745537 -1094227098401654868 -1732581002225039158 -1419213672956631064 -1945542854966153034 -1606933085452044102 -1304099061249812329 -1905766620229885408 -1578925235477621434 -16365...
result:
ok 74372 lines
Test #7:
score: 0
Accepted
time: 209ms
memory: 523608kb
input:
53336 120203 -997971963 362716733 185423412 -591863682353019904 -548036883 337160985 -145974075 -195700861334636300 -724867754 -641003610 -760696431 -359739374654262877 -601681719 -64013647 216235416 -9458860324088657 -869002669 -536458711 -879969477 -267325832619409885 -887381150 -769771700 -321150...
output:
-1345717484828710015 -1726377225131443611 -1277221842319302387 -1007424626087587316 -1071450544923448652 -1817571882869709507 -1343270791876712432 -1185495743769574829 -1602645704311705269 -1894895849331568810 -1200016566648933802 -1737725631579439522 -1882471460149418657 -1648128295693233892 -17306...
result:
ok 60105 lines
Test #8:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
11 1 -735559617 -340210383 47829053 240209487116192693 -274545508 770445695 616772252 -144712167052367176 -880188114 -308896220 -693352586 -29355468444432145 381012675 658211153 -277370657 -223335522481190637 -695379495 -366915786 916546493 655754885105439646 -992781513 -138210814 218118434 -3668951...
output:
result:
ok 0 lines
Test #9:
score: 0
Accepted
time: 1ms
memory: 3836kb
input:
6 11 -863012076 114022823 -561484685 -657406391247853790 -765835546 202841757 -28147679 -46121383578455600 483876049 742203046 648085233 -186557943001226187 -429018489 295071279 131635136 176429380546917807 227945873 812402553 -271742271 840365646909653826 -834426713 586084304 -547529179 97833598029...
output:
-637969271526783450 205210645209839855 -51177108112758140 754353035458004034 212402477421334639 -841298371968942545 -911432331322952525 204584401844401007 203868492836643311 -679313538246707630
result:
ok 10 lines
Extra Test:
score: 0
Extra Test Passed