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
#848915#8468. Collinear ArrangementsCarroT1212TL 124ms6136kbC++142.9kb2025-01-09 10:44:412025-01-09 10:44:41

Judging History

你现在查看的是最新测评结果

  • [2025-01-09 10:44:41]
  • 评测
  • 测评结果:TL
  • 用时:124ms
  • 内存:6136kb
  • [2025-01-09 10:44:41]
  • 提交

answer

#include <bits/stdc++.h>
#define pb push_back
#define x first
#define y second
using namespace std; bool MEM;
using ll=long long; using ld=long double;
using pii=pair<int,int>; using pll=pair<ll,ll>;
using lin=pair<pll,pll>;
const int I=1e9;
const ll J=1e18,N=2e5+7;
ll n,q,st[N],sz;
ld k[N];
pll a[N];
map<ll,ll> mp;
ll operator * (pll x,pll y) { return x.x*y.y-x.y*y.x; }
pll operator * (pll x,ll y) { return {x.x*y,x.y*y}; }
pll operator + (pll x,pll y) { return {x.x+y.x,x.y+y.y}; }
pll operator - (pll x,pll y) { return {x.x-y.x,x.y-y.y}; }
ld gk(pll x) { return x.x?(ld)x.y/(ld)x.x:J; }
ll dis(pll x,pll y) { return sqrt((x.x-y.x)*(x.x-y.x)+(x.y-y.y)*(x.y-y.y)); }
ll chk(lin x,lin y) {
	pll xx=x.y-x.x,yy=y.y-y.x,zz=x.y-y.y;
	if (xx*yy==0) return yy*zz==0;
	ld t=(ld)(zz*yy)/(ld)(xx*yy);
	// printf(" (%lld,%lld)-(%lld,%lld) & (%lld,%lld)-(%lld,%lld)  %Lf\n",x.x.x,x.x.y,x.y.x,x.y.y,
	// y.x.x,y.x.y,y.y.x,y.y.y,t);
	return t<1?2:t==1?1:0;
}
ll solve(lin l) {
	if (l.x.x==l.y.x) return mp[l.x.x];
	ld lk=gk(l.y-l.x); ll ret=0;
	ll cl=upper_bound(k+st[0],k+st[1],lk)-k,cr=lower_bound(k+st[1],k+st[2],lk)-1-k;
	ll dl=upper_bound(k+st[1],k+st[2],lk)-k,dr=lower_bound(k+st[2],k+st[3],lk)-1-k;
	// printf("(%lld,%lld)-(%lld,%lld)\n",l.x.x,l.x.y,l.y.x,l.y.y);
	// printf("%lld %lld %lld %lld\n",cl,cr,dl,dr);
	if (cr+1<dl&&(a[dl]-a[cr+1])*(l.x-a[dl])==0) ret++;
	if (dr+1<cl+n&&(a[cl+n]-a[dr+1])*(l.x-a[cl+n])==0) ret++;
	while (cl<=cr) {
		ll mid=cl+cr>>1,w=chk({a[mid],a[mid+1]},l);
		if (w==1) { ret++; break; }
		else if (w==2) cl=mid+1;
		else cr=mid-1;
	}
	while (dl<=dr) {
		ll mid=dl+dr>>1,w=chk({a[mid],a[mid+1]},l);
		if (w==1) { ret++; break; }
		else if (w==2) dl=mid+1;
		else dr=mid-1;
	}
	// printf(" %lld\n",ret);
	return ret;
}
void mian() {
	scanf("%lld%lld",&n,&q);
	for (ll i=0;i<n;i++) scanf("%lld%lld",&a[i].x,&a[i].y),mp[a[i].x]++,a[n+i]=a[i];
	a[n*2]=a[0];
	for (ll i=0;i<n*2;i++) k[i]=gk(a[i+1]-a[i]);
	if (k[0]<k[n-1]) st[sz++]=0;
	for (ll i=1;i<n*2;i++) if (k[i]<k[i-1]) st[sz++]=i;
	// for (ll i=0;i<n*2;i++) printf("%.1Lf ",k[i]); printf("\n");
	// printf("%lld %lld %lld %lld\n",st[0],st[1],st[2],st[3]);
	for (ll opt;q--;) {
		scanf("%lld",&opt);
		pll s,t;
		if (opt==1) {
			scanf("%lld%lld",&s.x,&s.y);
			ll ans=0;
			for (ll i=0;i<n;i++) ans+=solve({s,a[i]})==2;
			cout<<ans/2<<"\n";
			// ll flg=1,ans=0;
			// for (ll i=0;i<n;i++) if ((a[i+1]-a[i])*(s-a[i])<=0) flg=0;
			// if (flg) {
			// 	for (ll i=0,j=0;i<n;i++) {
			// 		while ((a[j+1]-a[i])*(s-a[i])>=0) j++;
			// 		if (i!=j&&(a[j+1]-a[i])*(s-a[i])==0) ans++;
			// 	}
			// }
			// else {
				
			// }
			// cout<<ans<<"\n";
		}
		else {
			scanf("%lld%lld%lld%lld",&s.x,&s.y,&t.x,&t.y);
			cout<<solve({s,t})<<"\n";
		}
	}
}
bool ORY; int main() {
	// while (1)
	// int t; for (scanf("%d",&t);t--;)
	mian();
	cerr<<"\n"<<abs(&MEM-&ORY)/1048576<<"MB";
	return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 1ms
memory: 5840kb

input:

5 3
0 0
2 0
2 1
1 2
0 2
1 1 1
2 1 1 2 2
1 2 2

output:

1
1
2

result:

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

Test #2:

score: 0
Accepted
time: 1ms
memory: 5784kb

input:

3 1
0 0
1 0
0 1
2 1 1 2 2

output:

1

result:

ok 1 number(s): "1"

Test #3:

score: 0
Accepted
time: 0ms
memory: 5980kb

input:

1000 1
-139438978 -172098481
-125097652 -169056403
155419484 -28898293
186215972 6874955
240691742 77644763
334255616 236444333
342049790 274206233
342049766 274611851
342049472 275025569
342049298 275242193
342048794 275724449
341967248 297262013
341966000 297569423
341963012 298092233
341960624 29...

output:

2

result:

ok 1 number(s): "2"

Test #4:

score: 0
Accepted
time: 24ms
memory: 5988kb

input:

1000 1000
-468718512 100559444
-466285968 100587272
-463035240 100649294
-461326068 100761398
-459427038 100900610
-455064924 101233256
-452216364 101462348
-450021522 101653544
-449086266 101738960
-433665372 103152428
-429959922 103532498
-427457166 103795826
-418983006 104802926
-416443854 105124...

output:

1
2
2
1
1
2
1
2
1
2
1
1
1
0
0
1
2
1
1
2
0
0
0
2
0
2
2
1
1
1
1
1
1
0
0
1
1
2
1
0
1
1
0
1
1
0
0
1
0
0
1
0
0
0
2
1
2
1
0
0
1
1
2
1
1
0
1
1
2
0
1
0
0
2
1
0
1
0
0
0
1
2
1
2
0
1
0
0
1
1
0
0
0
2
2
1
0
2
1
0
1
1
1
1
1
0
1
1
1
1
2
1
1
2
1
2
2
0
2
2
0
0
0
2
1
0
0
1
0
1
1
0
0
1
0
1
0
1
0
0
0
1
1
1
1
0
0
0
2
1
...

result:

ok 1000 numbers

Test #5:

score: 0
Accepted
time: 30ms
memory: 5844kb

input:

1000 1000
291905682 -484091301
292345158 -484089105
293043996 -484085421
293229030 -484083753
294173520 -484069809
295110540 -484052169
295788516 -484035897
296416644 -484020435
297309864 -483994563
298153872 -483966843
298820190 -483943245
299094912 -483933453
299710446 -483910407
300478542 -483880...

output:

0
0
0
1
1
2
1
1
1
1
2
2
1
0
0
1
1
0
1
0
0
1
2
1
2
0
2
1
0
1
0
1
2
1
1
0
0
0
2
1
0
2
1
0
1
1
2
0
2
0
1
0
1
0
1
0
1
0
1
2
2
2
0
1
1
1
2
1
2
0
1
2
0
2
2
1
2
1
0
0
0
0
1
0
2
2
1
1
0
1
1
0
0
0
0
1
1
1
1
2
2
0
2
2
1
1
1
0
0
2
1
2
1
0
1
0
2
2
0
0
1
0
0
1
1
0
0
1
1
1
1
0
1
0
1
1
1
2
1
0
0
0
1
2
1
1
0
0
0
1
...

result:

ok 1000 numbers

Test #6:

score: 0
Accepted
time: 28ms
memory: 5908kb

input:

1000 1000
463991467 -623310294
464470495 -623309436
465819133 -623286270
467660659 -623248944
468504043 -623229894
469509451 -623204460
470851615 -623169126
471516523 -623147304
472441747 -623112894
472919839 -623093316
474518035 -623025924
474804205 -623012706
475235047 -622991898
476703709 -622918...

output:

1
1
0
2
2
2
1
1
1
0
0
1
1
0
1
1
0
1
1
0
1
2
1
1
2
1
1
1
1
0
2
0
0
1
1
1
0
1
1
2
0
0
2
2
2
1
1
1
1
1
1
1
0
1
2
1
1
1
0
2
1
1
2
1
0
1
0
2
1
1
1
1
2
1
0
0
2
1
2
0
0
2
1
2
1
0
2
1
1
0
1
1
1
2
2
1
1
2
1
1
2
1
2
0
0
0
0
0
2
1
1
1
1
1
0
0
1
1
2
0
1
0
0
1
1
0
1
0
1
1
2
1
1
2
1
2
0
1
0
1
0
2
0
0
2
0
0
2
2
0
...

result:

ok 1000 numbers

Test #7:

score: 0
Accepted
time: 29ms
memory: 5856kb

input:

1000 1000
597768588 -776829559
695444592 -772463455
710728284 -769091269
734199300 -761581069
739470810 -759493921
753859266 -752938249
776956332 -740945395
796659384 -730287457
808527768 -720807907
812395620 -716639341
825659472 -700122877
827653218 -697247683
842474466 -675492391
851577600 -653064...

output:

1
1
1
1
1
1
1
0
0
1
0
1
2
1
1
1
1
0
1
1
0
0
1
1
2
0
1
0
1
1
1
2
1
1
2
0
1
1
0
1
1
1
1
1
0
1
1
1
1
0
0
0
0
1
0
1
0
1
1
1
2
1
1
1
1
0
1
2
1
2
2
1
1
1
2
0
1
0
1
0
0
1
0
1
1
1
2
1
1
0
1
1
0
1
1
1
2
2
1
0
0
1
2
0
2
1
2
1
2
1
1
0
1
0
1
0
0
2
2
1
0
2
0
2
1
1
0
1
0
1
0
0
1
2
1
2
1
0
1
1
1
2
1
0
0
0
0
1
1
1
...

result:

ok 1000 numbers

Test #8:

score: 0
Accepted
time: 32ms
memory: 5836kb

input:

1000 1000
579713329 -733712553
582502873 -733705833
583276357 -733693923
584906899 -733655109
585175081 -733646925
585834175 -733622973
586633297 -733577085
587460043 -733521285
588822205 -733427661
590453503 -733304973
597306625 -732777171
598333501 -732693489
599098081 -732627291
600848677 -732431...

output:

1
1
0
0
0
0
0
1
2
1
1
1
0
1
0
2
1
2
1
2
0
2
2
2
1
1
0
1
0
0
1
2
2
1
1
1
1
2
2
1
1
0
1
1
0
1
1
1
1
2
0
0
2
1
1
1
1
1
2
1
1
2
0
2
1
1
1
0
1
1
2
1
1
0
1
1
1
2
2
1
2
1
1
1
2
1
1
2
1
0
1
0
1
1
2
1
1
0
1
1
1
1
1
0
1
1
0
1
1
2
1
0
1
1
2
1
2
0
0
1
1
0
1
1
0
2
1
1
1
1
1
1
0
0
1
2
1
2
1
0
1
0
2
1
0
2
1
1
1
0
...

result:

ok 1000 numbers

Test #9:

score: 0
Accepted
time: 28ms
memory: 5932kb

input:

1000 1000
383687106 -662965444
404629848 -661971364
456196932 -656303110
481565838 -653442130
491580000 -652286890
513183840 -649621300
524886738 -648156736
541734714 -643846294
553325220 -640595362
571836426 -634565194
585246582 -627706948
591259860 -623361106
597943836 -617700448
605975550 -610284...

output:

0
1
0
0
0
1
1
2
1
0
1
0
1
2
1
0
0
1
1
1
1
1
1
0
1
0
0
1
2
1
1
1
1
2
1
2
1
1
1
1
1
0
1
1
2
0
1
1
0
2
1
0
1
0
1
2
1
2
1
1
0
0
1
1
0
2
0
0
1
2
1
1
1
2
2
0
1
2
2
1
0
0
1
1
1
2
1
1
2
0
0
2
0
1
0
0
2
0
1
1
0
1
1
2
1
1
1
1
2
1
0
1
0
0
2
1
0
1
0
1
0
1
2
1
0
0
0
0
0
0
2
0
1
1
1
0
2
2
0
0
0
1
0
0
1
2
1
1
0
1
...

result:

ok 1000 numbers

Test #10:

score: 0
Accepted
time: 30ms
memory: 5868kb

input:

1000 1000
-89995087 -831851181
-87346021 -831828921
-84891511 -831744171
-79568203 -831225225
-76494727 -830921307
-73235665 -830589153
-66234565 -829871907
-61345657 -829265043
-56094727 -828518091
-47397535 -827143263
-45247975 -826735329
-38182327 -825371001
-32179177 -823926267
-27420181 -822702...

output:

2
1
2
0
2
0
1
0
2
1
1
1
1
2
2
1
2
2
1
2
2
1
2
1
1
1
2
1
1
1
1
2
1
0
1
1
2
0
1
1
2
0
1
2
0
1
1
0
0
1
1
1
1
1
1
0
0
1
2
0
1
0
0
2
1
0
1
1
2
1
0
0
1
2
2
1
0
1
0
1
1
2
1
0
0
1
2
1
0
1
1
0
1
1
0
2
1
2
0
1
1
0
1
0
0
1
0
1
0
0
1
1
1
1
2
1
2
1
0
1
0
0
1
1
1
2
0
1
1
2
1
2
0
0
1
1
1
1
1
1
1
0
0
1
1
0
2
1
0
0
...

result:

ok 1000 numbers

Test #11:

score: 0
Accepted
time: 30ms
memory: 5936kb

input:

1000 1000
-521920755 -589450110
-520843161 -589430664
-517059531 -589333902
-516294063 -589313100
-515588943 -589289712
-514711401 -589245060
-514212489 -589217784
-513590589 -589180032
-513090177 -589143018
-512462637 -589093266
-510832209 -588943758
-510717465 -588932748
-510366333 -588897438
-508...

output:

1
0
0
0
1
1
1
1
0
2
1
2
0
1
1
2
1
1
0
0
0
1
1
1
0
1
0
0
1
1
1
1
2
1
2
1
0
1
2
1
1
1
0
1
1
2
1
0
2
1
2
1
1
1
0
2
1
2
1
0
0
1
1
1
0
2
1
0
0
0
0
2
1
1
0
2
0
2
2
0
1
1
1
1
2
0
2
1
2
2
1
1
1
2
2
0
0
0
1
1
1
0
1
2
1
1
1
2
1
2
1
2
1
1
2
0
0
2
2
1
0
2
0
1
1
1
1
0
1
0
2
1
1
2
2
0
2
2
0
1
0
1
0
1
0
2
1
0
0
1
...

result:

ok 1000 numbers

Test #12:

score: 0
Accepted
time: 31ms
memory: 5824kb

input:

1000 1000
135678973 -512731173
138245143 -512730873
139620511 -512727279
140549359 -512723109
141179551 -512719341
143033407 -512699013
144022339 -512685993
144735325 -512673687
145503247 -512659455
147606127 -512618625
148360033 -512597373
149010193 -512578485
149738023 -512546715
149970055 -512536...

output:

0
1
0
0
1
1
0
2
0
2
1
1
0
1
1
0
0
1
0
0
1
1
1
0
0
1
0
2
1
0
1
0
2
1
2
0
0
1
1
2
1
0
1
0
1
1
2
1
1
2
1
2
2
1
0
1
2
0
0
1
0
1
1
0
1
2
0
1
1
0
1
0
1
1
0
2
0
0
0
2
0
2
2
0
1
1
2
0
0
1
1
2
2
1
1
0
1
0
0
1
0
1
0
0
0
1
1
2
1
1
0
2
0
0
1
0
1
0
1
0
1
1
1
1
2
1
1
0
0
2
2
0
0
0
2
1
1
1
1
1
0
1
2
1
0
1
1
1
2
0
...

result:

ok 1000 numbers

Test #13:

score: 0
Accepted
time: 30ms
memory: 5932kb

input:

1000 1000
351347924 -65748475
372897926 -65360617
383223914 -65023771
395934266 -64493569
518888294 -52852315
534293948 -49392937
547110512 -45728953
559110452 -41992699
564454634 -40209025
568267940 -37798795
570194018 -36499723
575066318 -32769325
577860548 -30401929
589115126 -18589639
592627520 ...

output:

2
1
0
1
1
1
1
0
0
1
1
1
1
1
1
1
1
1
0
2
2
2
1
1
1
0
1
1
0
1
1
2
2
0
1
0
2
2
1
1
1
2
0
0
1
0
2
1
1
0
2
1
0
2
0
1
1
1
2
0
1
2
1
1
0
1
0
1
1
0
1
0
2
1
0
2
1
1
0
2
1
1
0
0
1
1
2
1
0
1
1
0
1
2
1
2
0
1
1
1
1
1
0
1
2
0
1
1
2
0
2
1
1
1
2
0
0
1
1
2
1
1
2
1
2
1
0
1
0
1
1
1
1
2
1
0
1
0
1
0
1
1
2
1
1
2
0
1
2
1
...

result:

ok 1000 numbers

Test #14:

score: 0
Accepted
time: 122ms
memory: 5928kb

input:

3920 1000
0 -1179960
60 -1179960
2460 -1179900
4800 -1179840
7080 -1179780
9300 -1179720
11460 -1179660
13560 -1179600
15600 -1179540
17580 -1179480
19500 -1179420
21360 -1179360
23160 -1179300
24900 -1179240
26580 -1179180
28200 -1179120
29760 -1179060
31260 -1179000
32700 -1178940
34080 -1178880
3...

output:

2
1960
1
2
1
0
0
0
1
0
1
1
1960
2
0
0
1
0
0
0
1
0
2
0
0
1
2
2
0
1
0
2
1
1
1
0
0
0
1
1
1
1960
1
0
0
0
0
1960
0
0
0
1
2
0
0
1
2
1
0
1
0
1
1
2
2
1960
0
0
2
2
2
1
0
2
2
2
1
1960
0
0
0
2
0
2
1
1
0
0
0
1960
2
0
2
2
1
2
1
2
1
1
0
1
1
2
0
0
2
0
0
1
0
2
1
2
2
1
1
1960
1
1
0
1
0
2
1
1960
1
1
2
1
2
2
1
0
1
1
0...

result:

ok 1000 numbers

Test #15:

score: 0
Accepted
time: 118ms
memory: 6136kb

input:

3920 1000
0 -1179960
60 -1179960
2460 -1179900
4800 -1179840
7080 -1179780
9300 -1179720
11460 -1179660
13560 -1179600
15600 -1179540
17580 -1179480
19500 -1179420
21360 -1179360
23160 -1179300
24900 -1179240
26580 -1179180
28200 -1179120
29760 -1179060
31260 -1179000
32700 -1178940
34080 -1178880
3...

output:

1
1
1
0
1
1
0
0
0
2
0
1
1
2
2
1
1
1
1
1
1
1
2
1960
1
2
0
2
2
2
1
1
0
1960
2
1
0
0
1
0
2
0
0
1960
1
1
2
1
0
1960
0
1
0
2
0
1
2
0
0
2
2
0
2
1960
1
2
2
1
0
2
0
0
2
2
2
0
0
1
1960
2
1
0
1
1
1
0
1960
2
0
1
0
0
0
0
1
2
1
0
0
1
0
1
1
0
0
2
1
2
1
1
2
2
2
0
1
1
0
2
2
0
1
1960
0
1
0
0
1
1
0
1
0
2
1
2
1
0
1
2
...

result:

ok 1000 numbers

Test #16:

score: 0
Accepted
time: 121ms
memory: 5984kb

input:

3920 1000
0 -1179960
60 -1179960
2460 -1179900
4800 -1179840
7080 -1179780
9300 -1179720
11460 -1179660
13560 -1179600
15600 -1179540
17580 -1179480
19500 -1179420
21360 -1179360
23160 -1179300
24900 -1179240
26580 -1179180
28200 -1179120
29760 -1179060
31260 -1179000
32700 -1178940
34080 -1178880
3...

output:

1
2
0
2
1
1960
2
1
0
1
1
1
2
2
2
1
1
0
2
1
1
2
2
1
1
0
0
1
2
0
2
1960
1
2
1960
1
2
1
0
0
1960
1
1
1960
1
0
1960
1
0
1960
1
1
0
0
0
0
1
2
0
2
0
0
1
1960
1
1
1
1
0
2
0
1
0
0
0
1
2
0
0
0
0
1
1
2
1
0
0
1
0
2
1
0
1
0
0
1
2
1
0
0
0
1
2
1960
2
2
2
1
1
0
2
0
1960
2
1
2
1960
1
0
0
1960
1
2
1
2
0
1
1
0
1
0
0
...

result:

ok 1000 numbers

Test #17:

score: 0
Accepted
time: 124ms
memory: 5972kb

input:

3920 1000
0 -1179960
60 -1179960
2460 -1179900
4800 -1179840
7080 -1179780
9300 -1179720
11460 -1179660
13560 -1179600
15600 -1179540
17580 -1179480
19500 -1179420
21360 -1179360
23160 -1179300
24900 -1179240
26580 -1179180
28200 -1179120
29760 -1179060
31260 -1179000
32700 -1178940
34080 -1178880
3...

output:

0
1
1
2
2
1
1
2
0
1
0
0
0
2
1
0
1
1
4
1
0
2
2
1
0
2
0
0
0
2
2
1
0
1
1
1
2
2
0
1
2
1
1
2
1
2
1
2
2
0
0
2
1
1
2
1
1
2
0
1
1
1
0
1
1
2
0
0
1
1
0
1
1
2
1960
1
2
2
1
0
1
0
2
2
1960
2
1
2
0
1
2
0
1
1
0
2
2
1960
0
1
2
1
1
1
1
0
1
2
1
0
0
0
2
2
1
2
2
2
1
0
0
2
1
0
1
1960
2
1
0
1
1
0
0
1
0
0
1
1
1
0
2
2
2
2
...

result:

ok 1000 numbers

Test #18:

score: 0
Accepted
time: 122ms
memory: 6056kb

input:

3920 1000
0 -1179960
60 -1179960
2460 -1179900
4800 -1179840
7080 -1179780
9300 -1179720
11460 -1179660
13560 -1179600
15600 -1179540
17580 -1179480
19500 -1179420
21360 -1179360
23160 -1179300
24900 -1179240
26580 -1179180
28200 -1179120
29760 -1179060
31260 -1179000
32700 -1178940
34080 -1178880
3...

output:

1
0
0
1
1
2
0
0
1
1960
0
0
1
1
2
2
1
1
0
0
1
1
1
1
0
2
2
1
0
2
1960
0
0
1960
2
1
0
2
1
0
1
2
0
2
2
0
2
0
2
1960
0
1
0
0
0
2
0
1
1
1
1
2
1
0
2
1
0
1
1
1
1
1
1960
1
2
1
2
1
1
1960
1
1
0
1
1
1
0
2
0
0
2
1
1
1960
0
1960
0
1960
1
1
1
0
2
0
0
2
0
2
1
1
0
0
1
0
0
0
1
2
0
1
0
2
2
0
2
2
0
1960
1
1
1
0
0
0
0
...

result:

ok 1000 numbers

Test #19:

score: -100
Time Limit Exceeded

input:

100000 100000
-418102239 223818986
-418082643 223818992
-418037097 223819010
-418023831 223819016
-418013145 223819022
-418002855 223819028
-417913239 223819082
-417895167 223819094
-417868593 223819112
-417852999 223819124
-417829815 223819142
-417815205 223819154
-417786147 223819184
-417768957 22...

output:


result: