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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#471277#5504. Flower GardenyinheeRE 0ms22036kbC++204.5kb2024-07-10 20:17:092024-07-10 20:17:10

Judging History

你现在查看的是最新测评结果

  • [2024-07-10 20:17:10]
  • 评测
  • 测评结果:RE
  • 用时:0ms
  • 内存:22036kb
  • [2024-07-10 20:17:09]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
namespace my_std{
#define mems(x,y) memset(x,y,sizeof x)
#define Mp make_pair
#define eb emplace_back
#define gc getchar
#define pc putchar
#define fi first
#define se second
#define il inline
#define rep(i,a,b) for(int i=(a);i<=(b);i++)
#define drep(i,a,b) for(int i=(a);i>=(b);i--)
#define go(i,u) for(int i=head[u];i;i=e[i].nxt)
	typedef long long ll;
	typedef pair<int,int> pii;
	template<typename T>
	il void read(T &x){
		int f=1;x=0;char c=gc();
		while(c<'0'||c>'9'){
			if(c=='-'){
				f=-1;
			}
			c=gc();
		}
		while(c>='0'&&c<='9'){
			x=x*10+c-48,c=gc();
		}
		x*=f;
	}
	template<typename T,typename ...Args>
	void read(T &x,Args &...args){
		read(x),read(args...);
	}
	template<typename T>
	il void write(T x){
		char buf[43];int len=0;
		if(x<0){
			pc('-'),x=-x;
		}
		do{
			buf[++len]=x%10,x/=10;
		}while(x);
		while(len){
			pc(buf[len--]+'0');
		}
	}
}
using namespace my_std;
const int N=1e5+7,M=1e6+7,inf=0x3f3f3f3f,mod=0;
int n,m,k,ans[M];
int cur,top,dfn[M],low[M],st[M];
bool getAns=0,vis[M];
int s,col[M],siz[M];
int tot,head[M];
struct node{
	int to,nxt;
}e[M<<3];
vector<int> E[M];
il void add(int u,int v){
	e[++tot]={v,head[u]},head[u]=tot;
	E[v].eb(u);
}
struct SGT{
	int tr[N<<2];
	void build(int l,int r,int o){
		if(l==r){
			tr[o]=l;
			return;
		}
		int mid=(l+r)>>1;
		build(l,mid,o<<1),build(mid+1,r,o<<1|1);
		tr[o]=++k;
		add(tr[o<<1],tr[o]),add(tr[o<<1|1],tr[o]);
	}
	void update(int l,int r,int o,int x,int y,int k){
		if(l>=x&&r<=y){
			add(tr[o],k);
			return;
		}
		int mid=(l+r)>>1;
		if(x<=mid){
			update(l,mid,o<<1,x,y,k);
		}
		if(y>mid){
			update(mid+1,r,o<<1|1,x,y,k);
		}
	}
}T;
struct sgt{
	int tr[N<<2];
	void build(int l,int r,int o){
		if(l==r){
			tr[o]=l;
			return;
		}
		int mid=(l+r)>>1;
		build(l,mid,o<<1),build(mid+1,r,o<<1|1);
		tr[o]=++k;
		add(tr[o],tr[o<<1]),add(tr[o],tr[o<<1|1]);
	}
	void update(int l,int r,int o,int x,int y,int k){
		if(l>=x&&r<=y){
			add(k,tr[o]);
			return;
		}
		int mid=(l+r)>>1;
		if(x<=mid){
			update(l,mid,o<<1,x,y,k);
		}
		if(y>mid){
			update(mid+1,r,o<<1|1,x,y,k);
		}
	}
}R;
void tarjan(int u){
	dfn[u]=low[u]=++cur;
	st[++top]=u;
	vis[u]=1;
	go(i,u){
		int v=e[i].to;
		if(!dfn[v]){
			tarjan(v);
			low[u]=min(low[u],low[v]);
		}else if(!vis[v]){
			low[u]=min(low[u],dfn[v]);
		}
	}
	if(low[u]==dfn[u]){
		s++;
		do{
			int v=st[top];
			col[v]=s,siz[s]+=v<=n;
			vis[v]=0;
		}while(st[top--]!=u);
	}
}
void check(int u){
	rep(i,1,n*10){
		ans[i]=vis[i]=0;
	}
	int v=0;
	rep(i,1,k){
		if(col[i]==u){
			v=i;
			break;
		}
	}
	assert(v);
	queue<int> q;
	vis[v]=1,q.push(v);
	while(q.size()){
		int u=q.front();
		q.pop();
		ans[col[u]]=1;
		go(i,u){
			int v=e[i].to;
			if(vis[v]){
				continue;
			}
			vis[v]=1,q.push(v);
		}
	}
	int sum=0;
	rep(i,1,s){
		if(ans[i]){
			sum+=siz[i];
		}
	}
	if(sum>=n/3&&sum<=n/3*2){
		getAns=1;
		return;
	}
	rep(i,1,n*10){
		ans[i]=vis[i]=0;
	}
	while(q.size()){
		q.pop();
	}
	v=0;
	rep(i,1,k){
		if(col[i]==u){
			v=i;
			break;
		}
	}
	assert(v);
	vis[v]=1,q.push(v);
	while(q.size()){
		int u=q.front();
		q.pop();
		ans[col[u]]=1;
		for(int v:E[u]){
			if(vis[v]){
				continue;
			}
			vis[v]=1,q.push(v);
		}
	}
	sum=0;
	rep(i,1,s){
		ans[i]^=1;
		if(ans[i]){
			sum+=siz[i];
		}
	}
	if(sum>=n/3&&sum<=n/3*2){
		getAns=1;
		return;
	}
}
void Yorushika(){
	read(n,m),n*=3;
	rep(i,1,n*10){
		head[i]=dfn[i]=siz[i]=vis[i]=0;
		E[i].clear();
	}
	k=n,tot=cur=s=getAns=0;
	T.build(1,n,1),R.build(1,n,1);
	while(m--){
		int l,r,x,y;read(l,r,x,y);
		k++;
		T.update(1,n,1,l,r,k),R.update(1,n,1,x,y,k);
	}
	rep(i,1,k){
		if(!dfn[i]){
			tarjan(i);
		}
	}
	int sum=0;
	rep(i,1,s){
		sum+=siz[i];
		if(siz[i]>n/3*2){
			puts("NIE");
			return;
		}
	}
	assert(sum==n);
	rep(i,1,s){
		if(siz[i]>=n/3){
			check(i);
			if(getAns){
				goto END;
			}
		}
	}
	rep(i,1,n*10){
		ans[i]=0;
	}
	rep(i,1,s){
		sum+=siz[i],ans[i]=1;
		if(sum>=n/3){
			if(sum>n/3*2){
				goto END;
			}
			getAns=1;
			break;
		}
	}
	END:
	if(!getAns){
		puts("NIE");
		return;
	}
	// assert(getAns);
	puts("TAK");
	int cnt=0;
	rep(i,1,n){
		pc(ans[col[i]]?'F':'R');
		cnt+=ans[col[i]];
	}
	// if(cnt<n/3||cnt>2*n/3){
		// assert(0);
	// }
	puts("");
}
signed main(){
	int t=1;
	read(t);
	while(t--){
		Yorushika();
	}
}

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 22036kb

input:

2
1 3
1 1 2 2
1 2 3 3
1 1 3 3
1 3
1 1 2 2
2 2 3 3
3 3 1 1

output:

TAK
RRF
NIE

result:

ok good!

Test #2:

score: -100
Runtime Error

input:

10
33333 100000
28701 40192 93418 95143
95902 97908 78378 78461
36823 44196 22268 23996
23977 24786 33315 48829
83965 90411 4923 8445
20235 21177 32543 47454
29598 35414 72477 73049
2014 12632 42163 46466
64305 65518 98825 99552
32331 41625 92772 96224
26500 54122 76990 77126
18249 20335 31165 36080...

output:


result: