QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#746678#8646. Card Collection275307894a0 3ms28552kbC++143.2kb2024-11-14 15:15:312024-11-14 15:15:32

Judging History

你现在查看的是最新测评结果

  • [2024-11-14 15:15:32]
  • 评测
  • 测评结果:0
  • 用时:3ms
  • 内存:28552kb
  • [2024-11-14 15:15:31]
  • 提交

answer

#include<bits/stdc++.h>
#define Gc() getchar()
#define Me(x,y) memset(x,y,sizeof(x))
#define Mc(x,y) memcpy(x,y,sizeof(x))
#define d(x,y) ((m)*(x-1)+(y))
#define R(n) (rnd()%(n)+1)
#define Pc(x) putchar(x)
#define LB lower_bound
#define UB upper_bound
#define fi first
#define se second
#define eb emplace_back
#define all(x) x.begin(),x.end()
using namespace std;using ll=long long;using db=double;using lb=long db;using ui=unsigned;using ull=unsigned long long;using pii=pair<int,int>;
const int N=2e5+5,M=N*4+5,K=1000+5,mod=1e9+7,Mod=mod-1;const db eps=1e-9;const int INF=1e9+7;mt19937 rnd(28382);
#define Tp template<typename T>
#define Ts template<typename T,typename... Ar>
namespace Debug{
	Tp void _debug(char* f,T t){cerr<<f<<'='<<t<<endl;}
	Ts void _debug(char* f,T x,Ar... y){while(*f!=',') cerr<<*f++;cerr<<'='<<x<<",";_debug(f+1,y...);}
	#ifdef LOCAL
	#define gdb(...) _debug((char*)#__VA_ARGS__,__VA_ARGS__)
	#else 
	#define gdb(...) void()
	#endif
}using namespace Debug;
int n,m,A[N],B[N],X[N],Y[N];
int flag[N];
struct ST{
	int mx[20][N],mi[20][N];
	void init(int *A){
		copy(A+1,A+n+1,mx[0]+1);copy(A+1,A+n+1,mi[0]+1);
		for(int i=1;(1<<i)<=n;i++){
			for(int j=1;j+(1<<i)-1<=n;j++){
				mx[i][j]=max(mx[i-1][j],mx[i-1][j+(1<<i-1)]);
				mi[i][j]=min(mi[i-1][j],mi[i-1][j+(1<<i-1)]);
			}
		}
	}
	int qrymin(int x,int y){
		int d=__lg(y-x+1);return min(mi[d][x],mi[d][y-(1<<d)+1]);
	}
	int qrymax(int x,int y){
		int d=__lg(y-x+1);return max(mx[d][x],mx[d][y-(1<<d)+1]);
	}
}a,b;
bool qry(int vx,int vy){

	auto check3=[&](int x,int y){
		if(x>y) return true;
		return (a.qrymax(x,y)>=vx||b.qrymin(x,y)<=vy)&&(a.qrymin(x,y)<=vx||b.qrymax(x,y)>=vy);
	};
	for(int i=1;i<=n;i++) if(A[i]==vx&&B[i]==vy&&check3(1,i-1)&&check3(i+1,n)) return true;

	auto check1=[&](int x,int y){
		if(x>y) return true;
		return !(a.qrymax(x,y)<=vx&&b.qrymin(x,y)>vy);
	};
	int i1=n+2;for(int i=1;i<=n;i++) if(A[i]==vx){i1=i;break;}
	int d1=n+2,lim1;
	for(int i=1;i<=n;i++) if(A[i]>=vx&&B[i]<=vy&&check1(1,i-1)){d1=i;break;}
	lim1=max(i1,d1+1);while(lim1<=n&&!check1(d1+1,lim1)) lim1++;
	
	auto check2=[&](int x,int y){
		if(x>y) return true;
		return !(a.qrymin(x,y)>vx&&b.qrymax(x,y)<=vy);
	};
	int i2=-1;for(int i=n;i;i--) if(B[i]==vy){i2=i;break;}
	int d2=-1,lim2;
	for(int i=n;i;i--) if(A[i]<=vx&&B[i]>=vy&&check2(i+1,n)){d2=i;break;}
	lim2=min(i2,d2-1);while(lim2>0&&!check2(lim2,d2-1)) lim2--;

	gdb(d1,d2,lim1,lim2);
	if(d1>=i1&&d2<=i2&&d1+1==d2) return true;
	if(d1>=i1&&d1+1<=lim2) return true;
	if(d2<=i2&&d2-1>=lim1) return true;
	return lim1+1<=lim2;
}
void build(){
	a.init(A);b.init(B);
	for(int i=1;i<=m;i++) flag[i]|=qry(X[i],Y[i]);
}
void Solve(){
	scanf("%d%d",&n,&m);
	for(int i=1;i<=n;i++) scanf("%d%d",&A[i],&B[i]);
	for(int i=1;i<=m;i++) scanf("%d%d",&X[i],&Y[i]);
	build();
	reverse(A+1,A+n+1);reverse(B+1,B+n+1);
	build();
	for(int i=1;i<=n;i++) A[i]*=-1,B[i]*=-1;
	for(int i=1;i<=m;i++) X[i]*=-1,Y[i]*=-1;
	build();
	reverse(A+1,A+n+1);reverse(B+1,B+n+1);
	build();
	for(int i=1;i<=m;i++) if(flag[i]) printf("%d ",i);
}
int main(){
	int t=1;
	// scanf("%d",&t);
	while(t--) Solve();
	cerr<<clock()*1.0/CLOCKS_PER_SEC<<'\n';
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 0
Wrong Answer

Test #1:

score: 11
Accepted
time: 0ms
memory: 18364kb

input:

2 10
171631799 561094698
171631799 867698918
126573648 561094698
171631799 867698918
171631799 561094698
126573648 561094698
126573648 561094698
171631799 561094698
126573648 561094698
126573648 561094698
126573648 561094698
171631799 561094698

output:

2 3 6 10 

result:

ok 4 number(s): "2 3 6 10"

Test #2:

score: 11
Accepted
time: 0ms
memory: 18364kb

input:

3 10
713180371 43103927
713180371 136832929
853543805 251852293
892623928 251852293
713180371 136832929
713180371 43103927
853543805 43103927
892623928 136832929
713180371 43103927
853543805 43103927
892623928 136832929
713180371 43103927
892623928 251852293

output:

2 3 6 9 

result:

ok 4 number(s): "2 3 6 9"

Test #3:

score: 11
Accepted
time: 3ms
memory: 20404kb

input:

4 10
254412080 855555783
254412080 534954259
610506813 184822793
804271098 233942602
804271098 233942602
536633825 184822793
254412080 855555783
804271098 233942602
536633825 233942602
254412080 855555783
804271098 534954259
610506813 534954259
536633825 184822793
536633825 855555783

output:

1 3 4 6 7 8 

result:

ok 6 numbers

Test #4:

score: 11
Accepted
time: 0ms
memory: 20408kb

input:

5 10
148547041 170447714
617759855 170447714
617759855 963162312
148547041 948767426
423489361 460053818
423489361 460053818
817714720 948767426
617759855 673099807
617759855 963162312
617759855 673099807
423489361 460053818
423489361 460053818
817714720 948767426
817714720 170447714
148547041 67309...

output:

1 4 6 7 

result:

ok 4 number(s): "1 4 6 7"

Test #5:

score: 11
Accepted
time: 0ms
memory: 18420kb

input:

6 10
452189481 369706489
974106249 369706489
152471743 55874110
152471743 7767562
623180600 783682263
116778263 783682263
974106249 369706489
452189481 7767562
623180600 7767562
116778263 783682263
330861484 7767562
452189481 640079581
974106249 640079581
623180600 783682263
974106249 7767562
116778...

output:

1 4 8 

result:

ok 3 number(s): "1 4 8"

Test #6:

score: 11
Accepted
time: 0ms
memory: 18320kb

input:

7 10
546365360 29458595
459505526 682968936
892069847 113227141
892069847 682968936
459505526 895773339
436538726 29458595
892069847 29458595
892069847 21442381
200908509 682968936
84249914 782064261
691849455 682968936
691849455 682968936
691849455 21442381
691849455 682968936
691849455 21442381
84...

output:


result:

ok 0 number(s): ""

Test #7:

score: 11
Accepted
time: 3ms
memory: 24520kb

input:

8 10
53884460 816621582
931458006 534340303
53884460 621933704
317941616 487589985
53884460 793793344
831491668 487589985
53884460 816621582
53884460 417129074
831491668 417129074
317941616 534340303
395845824 793793344
395845824 417129074
317941616 166559933
100528187 487589985
83144683 816621582
8...

output:

2 10 

result:

ok 2 number(s): "2 10"

Test #8:

score: 11
Accepted
time: 0ms
memory: 24528kb

input:

9 10
703128946 628411749
703128946 876135124
678057110 783023566
563107567 908344997
255577987 177945114
703128946 177945114
519769912 951772210
678057110 470396423
703128946 470396423
563107567 783023566
813952930 470396423
230207898 177945114
230207898 628411749
519769912 555485281
703128946 78302...

output:

1 6 

result:

ok 2 number(s): "1 6"

Test #9:

score: 11
Accepted
time: 0ms
memory: 24468kb

input:

10 10
411828800 587312736
368564282 297078085
368564282 265187364
287645241 405039514
368564282 535066135
368564282 265187364
701629305 581674146
894581821 581674146
600278299 347261251
368564282 390901645
633230417 151902557
287645241 297078085
1782717 405039514
287645241 587312736
894581821 587312...

output:

2 5 7 

result:

ok 3 number(s): "2 5 7"

Test #10:

score: 11
Accepted
time: 0ms
memory: 24508kb

input:

11 10
594865443 637250974
223004376 637250974
785025296 887146590
120666718 887146590
31665956 652873089
594865443 887146590
1682073 112213166
31665956 121276446
785025296 121276446
28305142 652873089
28305142 661968377
1682073 120498688
938018458 887146590
120666718 112213166
28305142 112213166
223...

output:

10 

result:

ok 1 number(s): "10"

Test #11:

score: 11
Accepted
time: 0ms
memory: 22472kb

input:

12 10
39186066 168002748
671722214 32295292
39186066 469855569
442075770 469855569
689698028 968471023
3489285 168002748
671722214 968471023
182809077 689539890
481317320 742954502
265274602 32295292
265274602 26013512
481317320 742954502
976556207 168425358
689698028 32295292
749415058 545907259
24...

output:

10 

result:

ok 1 number(s): "10"

Test #12:

score: 11
Accepted
time: 0ms
memory: 22476kb

input:

13 10
527355089 377970728
552459003 455747923
709625462 510634723
552459003 377970728
731571039 951161417
232811148 951161417
552459003 658700181
232811148 377970728
518940837 455747923
455586174 378372201
219157258 378372201
219157258 377970728
709625462 385691279
455586174 510634723
915002219 1039...

output:

1 4 7 8 10 

result:

ok 5 number(s): "1 4 7 8 10"

Test #13:

score: 11
Accepted
time: 0ms
memory: 24504kb

input:

14 10
118092342 284486250
927338949 433938384
402661724 978896809
647730583 672355271
31848729 951232518
735207774 379785691
647730583 976797409
118092342 976797409
16895438 951232518
266079358 317991591
402661724 759687663
927338949 672355271
384578818 379785691
927338949 675446949
647730583 672355...

output:

1 2 9 

result:

ok 3 number(s): "1 2 9"

Test #14:

score: 11
Accepted
time: 0ms
memory: 26556kb

input:

15 10
180664786 545082798
348151122 545082798
945365791 568927334
87112728 22695274
969050024 993697033
76897725 568927334
946081941 721317554
736012091 124380018
76897725 993697033
969050024 297352406
87112728 22695274
477303819 152140956
497190005 127179215
477303819 957952273
946081941 297352406
...

output:

2 3 

result:

ok 2 number(s): "2 3"

Test #15:

score: 11
Accepted
time: 0ms
memory: 26576kb

input:

16 10
950185079 359470460
717527338 766264034
950185079 464367361
702133494 562464640
47221737 933850433
804214161 68526353
835127535 923127189
663871966 429877028
663871966 933850433
663871966 860592052
717527338 159513156
817202184 970491880
835127535 475614319
519002985 475614319
109565532 137441...

output:

5 9 

result:

ok 2 number(s): "5 9"

Test #16:

score: 11
Accepted
time: 0ms
memory: 28552kb

input:

17 10
785164241 654900960
360828785 824839755
439791874 641288092
577364156 862808499
668131950 862808499
893897612 712643610
893897612 596494049
736363695 306279255
668131950 262689126
141356696 306279255
141356696 559915287
785164241 712643610
785164241 862808499
785164241 91314622
657093012 89959...

output:

1 2 4 7 8 

result:

ok 5 number(s): "1 2 4 7 8"

Test #17:

score: 0
Wrong Answer
time: 0ms
memory: 26560kb

input:

18 10
634436200 539568435
939344787 325688918
488541626 821095697
430879210 182007328
634436200 676635380
863100947 105320937
634436200 259039153
155697449 650750783
863100947 290661066
904360323 275647130
148773803 836392810
155697449 275647130
904360323 325688918
242889289 395936619
863100947 8363...

output:

4 8 10 

result:

wrong answer 2nd numbers differ - expected: '5', found: '8'

Subtask #2:

score: 0
Skipped

Dependency #1:

0%

Subtask #3:

score: 0
Skipped

Dependency #1:

0%

Subtask #4:

score: 0
Skipped

Dependency #1:

0%