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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
#335339#8229. 栈Konvex21 320ms401184kbC++144.1kb2024-02-23 09:42:012024-02-23 09:42:01

Judging History

你现在查看的是最新测评结果

  • [2024-02-23 09:42:01]
  • 评测
  • 测评结果:21
  • 用时:320ms
  • 内存:401184kb
  • [2024-02-23 09:42:01]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
#define ll long long
const double alpha=0.25,beta=(1-alpha*2)/(1-alpha);
#define N 100010
namespace WBLT{
	struct data{
		ll sz,sum;
	};
	data operator+(data a,data b){
		return (data){a.sz+b.sz,a.sum+b.sum};
	}
	struct node{
		int ch[2],ncnt;
		data d;
	}d[15000000];
	int dcnt=1;
	int newnode(int ncnt,data z){
		assert(ncnt<150000000);
		int x=dcnt++;d[x].d=z;d[x].ncnt=ncnt;
		return x;
	}
	#define lc(x) d[x].ch[0]
	#define rc(x) d[x].ch[1]
	int cp(int x){
		int y=newnode(d[x].ncnt,d[x].d);
		lc(y)=lc(x),rc(y)=rc(x);return y;
	}
	void pushup(int x){
		assert(d[x].ncnt!=1);
		d[x].d=d[lc(x)].d+d[rc(x)].d;
		d[x].ncnt=d[lc(x)].ncnt+d[rc(x)].ncnt;
	}
	void turn(int x,int k){//both x and y must be copied
		int y=d[x].ch[k];
		swap(lc(x),rc(x));swap(lc(y),rc(y));swap(d[x].ch[k],d[y].ch[k^1]);
		pushup(y);
	}
	int combine(int x,int y){
		int z=newnode(d[x].ncnt+d[y].ncnt,d[x].d+d[y].d);
		lc(z)=x,rc(z)=y;return z;
	}
	int merge(int x,int y){
		if(!x||!y)return x+y;
		if(min(d[x].ncnt,d[y].ncnt)>alpha*(d[x].ncnt+d[y].ncnt))return combine(x,y);
		if(d[x].ncnt>d[y].ncnt){
			if(d[lc(x)].ncnt>alpha*(d[x].ncnt+d[y].ncnt))return combine(lc(x),merge(rc(x),y));
			return combine(merge(lc(x),lc(rc(x))),merge(rc(rc(x)),y));
		}else{
			if(d[rc(y)].ncnt>alpha*(d[x].ncnt+d[y].ncnt))return combine(merge(x,lc(y)),rc(y));
			return combine(merge(x,lc(lc(y))),merge(rc(lc(y)),rc(y)));
		}
	}
	void wblt(int x){//x must be copied
		assert(d[x].ncnt!=1);
		int k=0;
		if(d[lc(x)].ncnt<d[x].ncnt*alpha)k=1;
		else if(d[rc(x)].ncnt<d[x].ncnt*alpha)k=0;
		else return;
		int y=d[x].ch[k];
		if(d[d[y].ch[k^1]].ncnt>d[y].ncnt*beta){
			y=d[x].ch[k]=cp(d[x].ch[k]);
			d[y].ch[k^1]=cp(d[y].ch[k^1]);
			turn(y,k^1);
		}
		turn(x,k);
	}
	int del(int x,ll sz){
		assert(sz<=d[x].d.sz&&sz>=0);
		if(!sz)return x;
		if(sz==d[x].d.sz)return 0;
		if(d[x].ncnt==1){
			int y=cp(x);int v=d[x].d.sum/d[x].d.sz;
			d[y].d.sz-=sz;d[y].d.sum-=1LL*v*sz;return y;
		}
		if(sz>=d[rc(x)].d.sz)return del(lc(x),sz-d[rc(x)].d.sz);
		else{
			x=cp(x);rc(x)=del(rc(x),sz);
			pushup(x);
			wblt(x);
			return x;
		}
	}
	ll qry(int x,ll l,ll r){
		if(!x||r<1||l>d[x].d.sz)return 0;
		if(d[x].ncnt==1)return d[x].d.sum/d[x].d.sz*(min(d[x].d.sz,r)-max(1LL,l)+1);
		if(l<=1&&d[x].d.sz<=r)return d[x].d.sum;
		return qry(lc(x),l,r)+qry(rc(x),l-d[lc(x)].d.sz,r-d[lc(x)].d.sz);
	}
	#undef lc
	#undef rc
};
namespace SEG{
	struct tag{
		ll pp,rt;
		void spread(tag t){
			if(t.pp){
				if(t.pp>=WBLT::d[rt].d.sz)pp+=t.pp-WBLT::d[rt].d.sz,rt=0;
				else rt=WBLT::del(rt,t.pp);
			}
			rt=WBLT::merge(rt,t.rt);
		}
	};
	struct node{
		tag t;
	}d[N<<2];
	#define lc (rt<<1)
	#define rc ((rt<<1)|1)
	void pushdown(int rt){
		d[lc].t.spread(d[rt].t);
		d[rc].t.spread(d[rt].t);
		d[rt].t.pp=d[rt].t.rt=0;
	}
	ll qry(int rt,int l,int r,int x,ll ql,ll qr){
		if(l==r)return WBLT::qry(d[rt].t.rt,ql,qr);
		pushdown(rt);int mid=(l+r)>>1;
		if(x<=mid)return qry(lc,l,mid,x,ql,qr);
		else return qry(rc,mid+1,r,x,ql,qr);
	}
	void push(int rt,int l,int r,int ul,int ur,int x,int y){
		if(ul<=l&&r<=ur){
			d[rt].t.rt=WBLT::merge(d[rt].t.rt,WBLT::newnode(1,(WBLT::data){x,1LL*x*y}));//could do better
			return;
		}
		int mid=(l+r)>>1;pushdown(rt);
		if(ul<=mid)push(lc,l,mid,ul,ur,x,y);
		if(mid<ur)push(rc,mid+1,r,ul,ur,x,y);
	}
	void pop(int rt,int l,int r,int ul,int ur,ll x){
		if(ul<=l&&r<=ur){
			if(WBLT::d[d[rt].t.rt].d.sz<=x){d[rt].t.pp+=x-WBLT::d[d[rt].t.rt].d.sz;d[rt].t.rt=0;}
			else d[rt].t.rt=WBLT::del(d[rt].t.rt,x);
			return;
		}
		int mid=(l+r)>>1;pushdown(rt);
		if(ul<=mid)pop(lc,l,mid,ul,ur,x);
		if(mid<ur)pop(rc,mid+1,r,ul,ur,x);
	}
};
int n,m;
int main(){
	scanf("%d%d",&n,&m);
	for(int i=1;i<=m;i++){
		int op;scanf("%d",&op);
		if(op==1){
			int l,r,x,y;scanf("%d%d%d%d",&l,&r,&x,&y);
			SEG::push(1,1,n,l,r,x,y);
		}else if(op==2){
			int l,r;ll w;scanf("%d%d%lld",&l,&r,&w);
			SEG::pop(1,1,n,l,r,w);
		}else{
			int k;ll l,r;scanf("%d%lld%lld",&k,&l,&r);
			printf("%lld\n",SEG::qry(1,1,n,k,l,r));
		}
	}
	return 0;
}

详细

Subtask #1:

score: 0
Runtime Error

Test #1:

score: 0
Runtime Error

input:

4907 4910
2 763 3330 1
3 307 1 1
1 2262 3430 22699 89397
1 1915 4000 51541 67587
2 212 2990 9763
2 1086 2162 1
2 1813 4496 16760
1 51 2796 68005 99390
1 1267 1519 74236 66178
3 1768 23808 54314
2 900 4122 27758
3 3287 17350 28989
2 3277 4024 3633
2 444 4866 1
2 353 4219 1061
1 987 3141 99906 17320
2...

output:


result:


Subtask #2:

score: 21
Accepted

Test #6:

score: 21
Accepted
time: 282ms
memory: 270052kb

input:

99999 99998
1 5026 18575 27178 90423
3 30623 1 1
3 76936 1 1
1 77021 95683 84664 24734
1 46085 74886 40512 11266
3 5048 8594 22468
1 53318 77721 97151 70784
1 70645 91192 37556 13013
1 56752 56940 91812 62887
1 7928 34576 87339 69404
3 74875 32807 100970
3 22338 17221 25771
3 21421 20602 57957
3 717...

output:

0
0
1254619125
4366274868
593473604
2592655824
3657975552
5652513833
110091352
1226646296
1989326852
763582808
8205318671
1659086055
3012598941
20085582585
3242801176
17381308704
24555397019
4722824224
20308857160
899316516
38935050954
988382364
13341823621
11397759491
2449683584
5875277101
80572355...

result:

ok 49797 numbers

Test #7:

score: 0
Accepted
time: 279ms
memory: 270188kb

input:

100000 99994
3 92225 1 1
3 10037 1 1
3 74283 1 1
3 2266 1 1
3 50962 1 1
3 81075 1 1
1 503 97219 60712 28632
1 20530 96581 71439 60132
3 41317 2559 104920
1 38204 95641 16185 4127
1 81150 90487 12130 78009
3 26946 49794 94793
3 30822 94956 120229
3 3139 25745 34556
1 31304 71829 59249 1581
1 34152 81...

output:

0
0
0
0
0
0
4323380784
2361991500
1519776168
252305184
5480718598
475075230
355440252
50964960
470925609
563617236
5250822628
167047570
5642890643
263790112
16650744580
9469618067
1523342134
5252794500
3397151474
44843260
15925043590
7615102649
642874296
805218390
12371730590
946262746
19013805530
1...

result:

ok 49918 numbers

Test #8:

score: 0
Accepted
time: 320ms
memory: 399132kb

input:

99992 100000
1 47419 74011 81562 83218
1 24365 27999 38558 68071
1 28685 99034 50336 45319
1 9957 51419 65767 96547
1 26613 48906 69394 57314
1 53501 94770 64814 21312
1 17181 66742 69740 22586
3 16409 7244 53001
1 88013 89718 83001 55044
1 37425 73824 89216 49784
1 14648 78441 67461 78275
1 9378 35...

output:

4417797626
26979560445
4524699650
21738613173
262351691
12978001923
17651184324
0
273579160
4411564116
1970670680
17453286633
14834332800
20575290994
10992737164
42531639041
7318986928
7239761756
24667868512
11295443456
33762100957
3516593780
14180850735
92220338161
448071480
72233196570
82174722698...

result:

ok 20053 numbers

Test #9:

score: 0
Accepted
time: 232ms
memory: 401184kb

input:

99993 100000
3 62344 1 1
1 46505 84554 62554 13482
1 8919 48492 3447 94458
1 3631 10892 36393 96414
1 2116 19576 2034 35286
1 76156 78230 41441 84879
1 36883 94127 37375 63171
1 39186 82305 6701 95798
3 78504 62801 72899
1 80076 91666 32526 7060
1 72382 96261 53068 10233
1 13914 57881 72281 7618
3 9...

output:

0
637963929
0
1496578500
10148463667
4717998934
125126442
10787190313
11490899784
2030671668
37797648
715325384
21191265941
3879816018
24364790835
25534294755
36504541523
6078290241
317915871
18538657312
22064935269
1065997831
3053544299
2695680279
55437334876
88991768121
1121205357
15153767807
5230...

result:

ok 20050 numbers

Test #10:

score: 0
Accepted
time: 223ms
memory: 141008kb

input:

99993 99996
3 38184 1 1
3 82734 1 1
1 25048 36616 78516 82979
3 95863 1 1
3 21933 1 1
3 49811 1 1
3 86826 1 1
3 94697 1 1
3 85109 1 1
3 40304 1 1
3 74963 1 1
3 21627 1 1
3 59714 1 1
3 87341 1 1
3 31090 15354 46066
1 38063 59594 70848 33527
3 32282 26788 77780
3 48817 25308 34737
3 58282 24515 41180
...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
2548534027
4231348147
316159610
558760982
0
0
0
1166203168
1096131738
0
1103574732
299664326
11812262
0
0
0
147854070
78842610
60214492
331278844
0
0
3357828214
814586369
6914566022
603327305
0
0
515587541
244451179
0
560342272
2883490236
0
0
2965823280
29999739
511675577
2...

result:

ok 80045 numbers

Test #11:

score: 0
Accepted
time: 214ms
memory: 141004kb

input:

99999 99992
1 55982 96008 8771 41000
3 64884 827 1792
1 61684 84951 91560 74217
3 11864 1 1
3 73424 650 93216
1 45712 86024 18142 11742
3 69505 1599 109909
3 4215 1 1
3 70815 3258 82166
1 32918 86166 51184 24724
3 49468 10556 63376
3 11217 1 1
3 32460 1 1
3 58673 3861 11467
1 41409 47728 99526 31031...

output:

39606000
0
6600256565
7201866396
0
5673230715
1207451970
0
0
233007432
0
7603519685
4128358246
4817987659
0
4234154067
1579488960
70725000
0
243499000
1045745784
328164000
2552685084
209221360
114636000
139687000
1223600748
6074963562
1977843509
10990094062
220744000
36039000
243602384
3717973598
85...

result:

ok 80206 numbers

Subtask #3:

score: 0
Runtime Error

Test #12:

score: 0
Runtime Error

input:

100000 99993
1 47773 70467 16065 1
2 52349 78446 2304
3 40821 1 1
1 40216 93069 78144 1
1 41089 43671 76025 1
2 35263 68629 31066
3 79881 13534 57327
3 5556 1 1
2 21962 38192 1
1 664 58116 9417 1
3 28089 6039 7989
2 88500 90302 9946
3 63215 49410 60770
2 11069 89527 57581
2 70303 97603 12363
1 3420 ...

output:


result:


Subtask #4:

score: 0
Runtime Error

Test #17:

score: 0
Runtime Error

input:

99999 99996
3 77889 1 10000000000
1 6316 86327 89644 386
3 9260 1 10000000000
2 2603 47234 69717
2 20260 73011 19290
2 62477 81233 26127
1 50140 68508 37004 98794
2 14449 22788 16063
1 43860 84932 50375 21777
1 67345 94584 28202 66610
2 661 68654 1
1 14411 94422 82738 61196
1 16563 94416 4920 38408
...

output:


result:


Subtask #5:

score: 0
Skipped

Dependency #1:

0%