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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
#168511#7107. Chaleurdo_while_trueAC ✓86ms9300kbC++203.5kb2023-09-08 16:29:032023-09-08 16:29:04

Judging History

你现在查看的是最新测评结果

  • [2023-09-08 16:29:04]
  • 评测
  • 测评结果:AC
  • 用时:86ms
  • 内存:9300kb
  • [2023-09-08 16:29:03]
  • 提交

answer

#include<cstdio>
#include<vector>
#include<queue>
#include<cstring>
#include<set>
#include<iostream>
#include<algorithm>
#include<ctime>
#include<random>
#include<assert.h>
#define pb emplace_back
#define mp make_pair
#define fi first
#define se second
#define dbg(x) cerr<<"In Line "<< __LINE__<<" the "<<#x<<" = "<<x<<'\n'
#define dpi(x,y) cerr<<"In Line "<<__LINE__<<" the "<<#x<<" = "<<x<<" ; "<<"the "<<#y<<" = "<<y<<'\n'
#define DE(fmt,...) fprintf(stderr, "Line %d : " fmt "\n",__LINE__,##__VA_ARGS__)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int>pii;
typedef pair<ll,int>pli;
typedef pair<ll,ll>pll;
typedef pair<int,ll>pil;
typedef vector<int>vi;
typedef vector<ll>vll;
typedef vector<pii>vpii;
typedef vector<pll>vpll;
template<typename T>T cmax(T &x, T y){return x=x>y?x:y;}
template<typename T>T cmin(T &x, T y){return x=x<y?x:y;}
template<typename T>
T &read(T &r){
	r=0;bool w=0;char ch=getchar();
	while(ch<'0'||ch>'9')w=ch=='-'?1:0,ch=getchar();
	while(ch>='0'&&ch<='9')r=r*10+(ch^48),ch=getchar();
	return r=w?-r:r;
}
template<typename T1,typename... T2>
void read(T1 &x,T2& ...y){read(x);read(y...);}
const int mod=998244353;
inline void cadd(int &x,int y){x=(x+y>=mod)?(x+y-mod):(x+y);}
inline void cdel(int &x,int y){x=(x-y<0)?(x-y+mod):(x-y);}
inline int add(int x,int y){return (x+y>=mod)?(x+y-mod):(x+y);}
inline int del(int x,int y){return (x-y<0)?(x-y+mod):(x-y);}
int qpow(int x,int y){
	int s=1;
	while(y){
		if(y&1)s=1ll*s*x%mod;
		x=1ll*x*x%mod;
		y>>=1;
	}
	return s;
}
const int N=100010;
int n,m;
vi eg[N];
int d[N],p[N];
int vis[N],ban[N],to[N],ok[N],ti[N];
void solve(){
	read(n,m);
	for(int i=1;i<=n;i++)vi().swap(eg[i]),d[i]=0,p[i]=i,vis[i]=0;
	for(int i=1,u,v;i<=m;i++){
		read(u,v);eg[u].pb(v);eg[v].pb(u);
		++d[u];++d[v];
	}
	sort(p+1,p+n+1,[&](const int &x,const int &y){return d[x]>d[y];});
	for(int i=1;i<n;i++){
		int x=p[i],s=0;
		for(auto v:eg[x])if(vis[v])++s;
		if(s==i-1)
			vis[x]=1;
	}
	int fl=1;
	for(int i=1;i<=n;i++)
		if(!vis[i]){
			for(auto v:eg[i]){
				if(!vis[v])
					fl=0;
			}
		}
	if(!fl){
		puts("1 1");
		return ;
	}
	int tc=0;
	for(int i=1;i<=n;i++)if(vis[i])tc++;
	for(int i=1;i<=n;i++)ok[i]=ban[i]=to[i]=0;
	for(int x=1;x<=n;x++)
		if(vis[x]){
			int s=0;
			for(auto v:eg[x])
				if(!vis[v])
					++s;
			if(s==0)ok[x]=1;
			else if(s>1)ban[x]=1;
			else{
				for(auto v:eg[x])
					if(!vis[v])
						to[x]=v;
			}
		}
	vi vec;for(int i=1;i<=n;i++)if(vis[i])vec.pb(i),ti[i]=0;
	for(int x=1;x<=n;x++)
		if(!vis[x]){
			if((int)eg[x].size()>=tc-1){
				int s=0;
				for(auto v:eg[x])if(vis[v])++s;
				if(s==tc)ok[x]=1;
				else if(s<tc-1)ban[x]=1;
				else{
					for(auto v:eg[x])if(vis[v])ti[v]=x;
					for(auto v:vec)if(ti[v]!=x)to[x]=v;
				}
			}
		}
	int l=0,r=0;
	for(int i=1;i<=n;i++)
		if(ok[i]){
			if(vis[i])++l;
			else ++r;
		}
	if(r)cout<<r<<' ';
	else{
		int s=0;
		for(int i=1;i<=n;i++)
			if(ok[i]||to[i]){
				if(!vis[i])++s;
			}
		cout<<s+1<<' ';
	}
	if(l)cout<<l<<'\n';
	else{
		int s=0;
		for(int i=1;i<=n;i++)
			if(ok[i]||to[i]){
				if(vis[i])++s;
			}
		cout<<s+1<<'\n';
	}
}
signed main(){
	#ifdef do_while_true
		assert(freopen("data.in","r",stdin));
//		assert(freopen("1.out","w",stdout));
	#endif
	int T;read(T);
	while(T--)solve();
    #ifdef do_while_true
//		cerr<<'\n'<<"Time:"<<1.0*clock()/CLOCKS_PER_SEC*1000<<" ms"<<'\n';
	#endif
	return 0;
}

这程序好像有点Bug,我给组数据试试?

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 6800kb

input:

3
3 2
1 2
2 3
6 6
1 2
2 3
1 3
1 4
2 5
3 6
4 1
1 2

output:

2 1
1 4
1 2

result:

ok 3 lines

Test #2:

score: 0
Accepted
time: 86ms
memory: 9300kb

input:

2231
1 0
5 7
4 1
3 4
3 1
3 5
4 2
3 2
4 5
5 4
2 1
2 5
2 4
2 3
5 10
3 2
2 5
1 4
4 2
4 5
1 2
1 3
3 5
3 4
1 5
5 10
1 3
2 4
1 4
5 2
2 3
1 5
5 4
1 2
3 4
5 3
5 9
2 5
3 5
2 3
2 1
4 3
3 1
4 1
4 5
2 4
5 4
4 2
4 1
4 5
4 3
5 9
4 1
4 5
3 4
2 4
2 1
3 1
2 5
3 5
3 2
5 4
2 5
2 3
2 1
2 4
5 9
5 2
1 3
4 3
1 2
5 4
4 2
5...

output:

1 1
3 1
4 1
1 5
1 5
2 1
4 1
2 1
4 1
2 1
2 1
3 1
4 1
4 1
1 5
2 1
4 1
1 5
1 5
1 5
3 1
4 1
4 1
4 1
3 1
3 1
4 1
4 1
2 1
4 1
4 1
1 5
1 5
2 1
4 1
4 1
4 1
3 1
2 1
4 1
2 1
4 1
4 1
4 1
3 1
1 5
4 1
4 1
1 5
2 1
4 1
2 1
2 1
1 5
4 1
1 5
3 1
4 1
1 5
2 1
1 5
3 1
3 1
1 5
3 1
3 1
2 1
1 5
4 1
3 1
1 5
2 1
3 1
2 1
2 1
...

result:

ok 2231 lines

Extra Test:

score: 0
Extra Test Passed