QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#93306#601. 李超树xzzduang#AC ✓584ms40692kbC++142.2kb2023-03-31 16:48:362023-03-31 16:48:38

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 16:48:38]
  • 评测
  • 测评结果:AC
  • 用时:584ms
  • 内存:40692kb
  • [2023-03-31 16:48:36]
  • 提交

answer

#include<iostream>
#include<stdio.h>
#include<ctype.h>
#include<algorithm>
#define int long long
#define ls k<<1
#define rs k<<1|1
#define N 200005
using namespace std;
inline int read(){
	int x=0,f=0;char ch=getchar();
	while(!isdigit(ch)) f|=(ch=='-'),ch=getchar();
	while(isdigit(ch)) x=x*10+(ch-'0'),ch=getchar();
	return f?-x:x;
}
struct seg{
	int k,b;
	int f(int x){
		return k*x+b; 
	}
}st[2*N];
int n,q,id[16*N],lsh[4*N],cnt,L[2*N],R[2*N],op[N];
void insert(int k,int l,int r,int v){
	if(!id[k]) return (void)(id[k]=v);
	int mid=l+r>>1;
	if(st[v].f(lsh[mid])<st[id[k]].f(lsh[mid])) swap(id[k],v);
	if(l==r) return;
	if(st[v].f(lsh[l])<st[id[k]].f(lsh[l])) insert(ls,l,mid,v);
	if(st[v].f(lsh[r])<st[id[k]].f(lsh[r])) insert(rs,mid+1,r,v);
}
void modify(int k,int l,int r,int x,int y,int v){
	if(x<=l && r<=y) return insert(k,l,r,v);
	int mid=l+r>>1;
	if(x<=mid) modify(ls,l,mid,x,y,v);
	if(mid+1<=y) modify(rs,mid+1,r,x,y,v);
}
const int inf=2e18+2;
int query(int k,int l,int r,int x,int v){
	int res=inf;
	if(id[k]) res=st[id[k]].f(v);
	if(l==r) return res;
	int mid=l+r>>1;
	if(x<=mid) return min(query(ls,l,mid,x,v),res);
	else return min(query(rs,mid+1,r,x,v),res);
}
signed main(){
	n=read(),q=read();
	for(int i=1;i<=n;++i){
		L[i]=read(),R[i]=read(),st[i].k=read(),st[i].b=read();
		lsh[++cnt]=L[i],lsh[++cnt]=R[i];
	}
	for(int i=1;i<=q;++i){
		op[i]=read();
		if(op[i]==0){
			L[i+n]=read(),R[i+n]=read();
			st[i+n].k=read(),st[i+n].b=read();
			lsh[++cnt]=L[i+n],lsh[++cnt]=R[i+n];
		}
		else{
			L[i+n]=read();
		}
	}
	sort(lsh+1,lsh+cnt+1);
	cnt=unique(lsh+1,lsh+cnt+1)-lsh-1;
	for(int i=1;i<=n;++i){
		L[i]=lower_bound(lsh+1,lsh+cnt+1,L[i])-lsh;
		R[i]=lower_bound(lsh+1,lsh+cnt+1,R[i])-lsh-1;
		modify(1,1,cnt,L[i],R[i],i);
	}
	for(int i=1;i<=q;++i){
		if(op[i]==0){
			L[i+n]=lower_bound(lsh+1,lsh+cnt+1,L[i+n])-lsh;
			R[i+n]=lower_bound(lsh+1,lsh+cnt+1,R[i+n])-lsh-1;
			modify(1,1,cnt,L[i+n],R[i+n],i+n);
		}
		else{
			int x=L[i+n];
			int pos=upper_bound(lsh+1,lsh+cnt+1,x)-lsh-1;
			if(!pos) puts("NO");
			else{
				int tmp=query(1,1,cnt,pos,x);
				if(tmp>=inf) puts("NO");
				else printf("%lld\n",tmp);
			}
		}
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 231ms
memory: 27980kb

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: 540ms
memory: 40692kb

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: 584ms
memory: 40576kb

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: 548ms
memory: 40592kb

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: 325ms
memory: 28964kb

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: 367ms
memory: 29144kb

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: 172ms
memory: 21976kb

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: 3ms
memory: 9540kb

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: 2ms
memory: 9692kb

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