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#217703#5109. Spider Walkucup-team1004#WA 565ms10632kbC++142.4kb2023-10-17 10:43:312023-10-17 10:43:31

Judging History

你现在查看的是最新测评结果

  • [2023-10-17 10:43:31]
  • 评测
  • 测评结果:WA
  • 用时:565ms
  • 内存:10632kb
  • [2023-10-17 10:43:31]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
using ll=long long;
template<typename T>
ostream& operator << (ostream &out,const vector<T>&x){
	if(x.empty())return out<<"[]";
	out<<'['<<x[0];
	for(int len=x.size(),i=1;i<len;i++)out<<','<<x[i];
	return out<<']';
}
template<typename T>
vector<T> ary(const T *a,int l,int r){
	return vector<T>{a+l,a+1+r};
}
template<typename T>
void debug(T x){
	cerr<<x<<'\n';
}
template<typename T,typename ...S>
void debug(T x,S ...y){
	cerr<<x<<' ',debug(y...);
}
const int N=2e5+10,M=5e5+10,INF=1e9;
int n,m,s;
struct zj{
	int d,x;
}a[M];
int dis(int i,int j){
	if(i>j)swap(i,j);
	return min(j-i,n-(j-i));
}
int t[N<<2];
void build(int l=1,int r=n,int rt=1){
	if(l==r){
		t[rt]=dis(l,s);return;
	}
	int mid=(l+r)>>1;
	build(l,mid,rt<<1);
	build(mid+1,r,rt<<1|1);
}
void update(int L,int R,int x,int l=1,int r=n,int rt=1){
	if(L<=l&&r<=R){
		t[rt]+=x;return;
	}
	int mid=(l+r)>>1;
	if(L<=mid)update(L,R,x,l,mid,rt<<1);
	if(mid<R)update(L,R,x,mid+1,r,rt<<1|1);
}
int query(int x,int l=1,int r=n,int rt=1){
	if(l==r)return t[rt];
	int mid=(l+r)>>1;
	if(x<=mid)return query(x,l,mid,rt<<1)+t[rt];
	else return query(x,mid+1,r,rt<<1|1)+t[rt];
}
void print(){
	vector<int>p;
	for(int i=1;i<=n;i++){
		p.push_back(query(i));
	}
	debug(p);
}
int main(){
	scanf("%d%d%d",&n,&m,&s);
	for(int i=1;i<=m;i++){
		scanf("%d%d",&a[i].d,&a[i].x);
	}
	sort(a+1,a+1+m,[](zj x,zj y){return x.d>y.d;});
	build();
	// print();
	for(int x=1;x<=m;x++){
		int i=a[x].x,j=i%n+1;
		int vi=query(i),vj=query(j);
		if(vi==vj)continue;
		update(i,i,vj-vi),update(j,j,vi-vj);
		if(vi>vj){
			if(vi>query(j%n+1)+1)update(j,j,-1);
			int l=0,r=i,mid;
			for(;l+1<r;){
				mid=(l+r)>>1;
				if(query(mid)>vj+i-mid)r=mid;
				else l=mid;
			}
			if(r<i)update(r,i-1,-1);
			if(r==1){
				int l=j,r=n+1,mid;
				for(;l+1<r;){
					mid=(l+r)>>1;
					if(query(mid)>vj+i+n-mid)r=mid;
					else l=mid;
				}
				if(r<=n)update(r,n,-1);
			}
		}else{
			if(vj>query((j+n-2)%n+1)+1)update(i,i,-1);
			int l=j,r=n+1,mid;
			for(;l+1<r;){
				mid=(l+r)>>1;
				if(query(mid)>vi+mid-j)l=mid;
				else r=mid;
			}
			if(l>j)update(j+1,l,-1);
			if(l==n){
				int l=0,r=i,mid;
				for(;l+1<r;){
					mid=(l+r)>>1;
					if(query(mid)>vi+mid+n-j)l=mid;
					else r=mid;
				}
				if(l>0)update(1,l,-1);
			}
		}
		// debug(i,j);
		// print();
	}
	for(int i=1;i<=n;i++)printf("%d\n",query(i));
	return 0;
}

详细

Test #1:

score: 0
Wrong Answer
time: 565ms
memory: 10632kb

input:

200000 500000 116205
1 2
2 3
3 4
4 5
5 6
6 7
7 8
8 9
9 10
10 11
11 12
12 13
13 14
14 15
15 16
16 17
17 18
18 19
19 20
20 21
21 22
22 23
23 24
24 25
25 26
26 27
27 28
28 29
29 30
30 31
31 32
32 33
33 34
34 35
35 36
36 37
37 38
38 39
39 40
40 41
41 42
42 43
43 44
44 45
45 46
46 47
47 48
48 49
49 50
50...

output:

16204
16203
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
16204
...

result:

wrong answer 1st lines differ - expected: '2', found: '16204'