QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#93351#601. 李超树Appleblue17#AC ✓580ms33932kbC++141.8kb2023-03-31 17:40:462023-03-31 17:41:00

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-03-31 17:41:00]
  • 评测
  • 测评结果:AC
  • 用时:580ms
  • 内存:33932kb
  • [2023-03-31 17:40:46]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
const int N=1e6+5;
const long long INF=1e18;
int n,q;
struct seg{
	int k;
	long long b;
}line[N];
int id;
int TYP[N],L[N],R[N];
int v[N],vid;

long long cal(int pos,int x){
	if(!x) return INF;
	return 1ll*line[x].k*v[pos]+line[x].b;
}

int f[N*4];
void modify(int l,int r,int o,int L,int R,int x){
	int mid=(l+r)>>1;
	if(L<=l && r<=R){
		if(l==r){
			if(cal(l,x)<cal(l,f[o])) f[o]=x;
			return ;
		}
		if(cal(mid,x)<cal(mid,f[o])) swap(f[o],x);
		if(cal(l,x)<cal(l,f[o])) modify(l,mid,o<<1,L,R,x);
		else if(cal(r,x)<cal(r,f[o])) modify(mid+1,r,o<<1|1,L,R,x);
		return ;
	}
	if(L<=mid) modify(l,mid,o<<1,L,R,x);
	if(R>mid) modify(mid+1,r,o<<1|1,L,R,x);
}
long long query(int l,int r,int o,int pos){
	if(l==r){
		return cal(pos,f[o]);
	}
	int mid=(l+r)>>1;
	if(pos<=mid) return min(cal(pos,f[o]),query(l,mid,o<<1,pos));
	else return min(cal(pos,f[o]),query(mid+1,r,o<<1|1,pos));
}

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin>>n>>q;
	for(int i=1;i<=n;i++){
		id++;
		cin>>L[id]>>R[id]>>line[id].k>>line[id].b;
		R[id]--; v[++vid]=L[id]; v[++vid]=R[id];
	}
	for(int i=1;i<=q;i++){
		id++;
		cin>>TYP[id];
		if(TYP[id]) cin>>L[id],v[++vid]=L[id];
		else{
			cin>>L[id]>>R[id]>>line[id].k>>line[id].b;
			R[id]--; v[++vid]=L[id]; v[++vid]=R[id];
		}
	}
	
	sort(v+1,v+vid+1);
	vid=unique(v+1,v+vid+1)-v-1;
	for(int i=1;i<=id;i++){
		L[i]=lower_bound(v+1,v+vid+1,L[i])-v;
		R[i]=lower_bound(v+1,v+vid+1,R[i])-v;
	}
	
	for(int i=1;i<=id;i++){
		if(!TYP[i]){
			// cout<<"modify "<<L[i]<<" "<<R[i]<<" "<<i<<'\n';
			modify(1,vid,1,L[i],R[i],i);
		}
		else{
			// cout<<"query "<<L[i]<<'\n';
			long long ans=query(1,vid,1,L[i]);
			if(ans==INF) cout<<"NO\n";
			else cout<<ans<<'\n';
		}
	}
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 348ms
memory: 24676kb

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: 574ms
memory: 33932kb

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: 580ms
memory: 30464kb

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: 537ms
memory: 30076kb

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: 356ms
memory: 24348kb

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: 418ms
memory: 27748kb

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: 203ms
memory: 19164kb

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: 2ms
memory: 9648kb

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: 9616kb

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