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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#570034#7992. 【模板】线段树liaoyanxuTL 0ms3696kbC++142.3kb2024-09-17 13:21:502024-09-17 13:21:51

Judging History

你现在查看的是最新测评结果

  • [2024-09-17 13:21:51]
  • 评测
  • 测评结果:TL
  • 用时:0ms
  • 内存:3696kb
  • [2024-09-17 13:21:50]
  • 提交

answer

// Problem: P10045 [CCPC 2023 北京市赛] 线段树
// Contest: Luogu
// URL: https://www.luogu.com.cn/problem/P10045
// Memory Limit: 1 MB
// Time Limit: 4000 ms
// 
// Powered by CP Editor (https://cpeditor.org)

#include<bits/stdc++.h>
using namespace std;
const int N=200005,M=1145,K=21,len=314;
int mod=1048576;
int n,q,a[N],mul[N][K],tag[N];
namespace lyx{
	inline int bl(int x){
		return (x+len-1)/len;
	}
	inline int L(int id){
		return len*(id-1)+1;
	}
	inline int R(int id){
		return len*id;
	}
	inline void rebuild(int id){
		for(int i=1;i<=20;i++){
			mul[id][i]=0;
		}
		mul[id][1]=1;
		for(int i=L(id);i<=R(id);i++){
			for(int j=20;j>=1;j--){
				mul[id][j]=mul[id][j]*a[i]+mul[id][j-1];
			}
		}
		return ;
	}
	inline void build(){
		for(int i=1;i<=n;i++){
			if(bl(i)!=bl(i-1)){
				rebuild(bl(i));
			}
		}
		return ;
	}
	inline void pushdown(int id){
		if(!tag[id]){
			return ;
		}
		for(int i=L(id);i<=R(id);i++){
			a[i]+=tag[id];
		}
		tag[id]=0;
		rebuild(id);
		return ;
	}
	inline void add(int l,int r,int k){
		if(bl(l)==bl(r)){
			pushdown(bl(l));
			for(int i=l;i<=r;i++){
				a[i]+=k;
			}
			rebuild(bl(l));
			return ;
		}
		pushdown(bl(l));
		for(int i=l;i<=R(bl(r));i++){
			a[i]+=k;
		}
		rebuild(bl(l));
		pushdown(bl(r));
		for(int i=L(bl(r));i<=r;i++){
			a[i]+=k;
		}
		rebuild(bl(r));
		for(int i=bl(l)+1;i<=bl(r)-1;i++){
			tag[i]+=k;
		}
		return ;
	}
	inline int query(int l,int r){
		if(bl(l)==bl(r)){
			pushdown(bl(l));
			int ans=1;
			for(int i=l;i<=r;i++){
				ans*=a[i];
			}
			return ans;
		}
		int ans=1;
		for(int i=l;i<=R(bl(l));i++){
			ans*=a[i];
		}
		for(int i=L(bl(r));i<=r;i++){
			ans*=a[i];
		}
		for(int i=bl(l)+1;i<=bl(r)-1;i++){
			int tmp=1;
			int ml=0,cnt=1;
			while(tmp%mod){
				ml=ml+tmp*mul[i][cnt];
				tmp*=tag[i];
				cnt++;
			}
			ans*=ml;
		}
		return ans;
	}
}
using namespace lyx;
signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin>>n>>q;
	for(int i=1;i<=n;i++){
		cin>>a[i];
	}
    build();
	while(q--){
		int op,l,r,x;
		cin>>op>>l>>r;
		if(op==1){
			cin>>x;
			add(l,r,x);
		}
		else{
			int f=query(l,r)%mod+mod;
			cout<<(f>mod?f-mod:f)<<'\n';
		}
	}
	return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3696kb

input:

10 10
969575 741825 24903 1047319 450475 256145 1045323 479255 810659 768323
1 5 6 3034
2 1 10
2 1 9
2 1 4
1 3 6 126904
2 5 5
2 9 9
1 7 7 853094
1 4 9 1025178
2 5 8

output:

1045541
1012343
558151
580413
810659
527353

result:

ok 6 lines

Test #2:

score: -100
Time Limit Exceeded

input:

200000 200000
496015 180543 330721 874799 740427 144379 598057 795949 323465 87657 683935 748203 748665 288301 846003 33033 746029 132621 876629 361899 701297 373189 256151 723161 377571 54947 91151 855991 433965 73347 155081 314317 790527 705555 1035217 298963 604641 203865 230029 802437 720769 843...

output:

746709
314063
659903
808669
503473
21677
927775
100755
280085
881717
342407
297901
971535
235199
974337
299843
272239
557231
778879
568799
735011
585811
209677
723243
808997
693855
907581
852603
562049
39577
365199
251803
541549
246033
936745
789879
147367
600219
518081
93965
224083
681381
582301
24...

result: