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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#79772#1878. No Rest for the WickedAFewSunsRE 0ms0kbC++143.5kb2023-02-20 21:25:152023-02-20 21:25:17

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2023-02-20 21:25:17]
  • 评测
  • 测评结果:RE
  • 用时:0ms
  • 内存:0kb
  • [2023-02-20 21:25:15]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
namespace my_std{
	#define ll long long
	#define bl bool
	ll my_pow(ll a,ll b,ll mod){
		ll res=1;
		if(!b) return 1;
		while(b){
			if(b&1) res=(res*a)%mod;
			a=(a*a)%mod;
			b>>=1;
		}
		return res;
	}
	ll qpow(ll a,ll b){
		ll res=1;
		if(!b) return 1;
		while(b){
			if(b&1) res*=a;
			a*=a;
			b>>=1;
		}
		return res;
	}
	#define db double
	#define pf printf
	#define pc putchar
	#define fr(i,x,y) for(register ll i=(x);i<=(y);i++)
	#define pfr(i,x,y) for(register ll i=(x);i>=(y);i--)
	#define go(u) for(ll i=head[u];i;i=e[i].nxt)
	#define enter pc('\n')
	#define space pc(' ')
	#define fir first
	#define sec second
	#define MP make_pair
	#define il inline
	#define inf 8e18
	#define random(x) rand()*rand()%(x)
	#define inv(a,mod) my_pow((a),(mod-2),(mod))
	il ll read(){
		ll sum=0,f=1;
		char ch=0;
		while(!isdigit(ch)){
			if(ch=='-') f=-1;
			ch=getchar();
		}
		while(isdigit(ch)){
			sum=sum*10+(ch^48);
			ch=getchar();
		}
		return sum*f;
	}
	il void write(ll x){
		if(x<0){
			x=-x;
			pc('-');
		}
		if(x>9) write(x/10);
		pc(x%10+'0');
	}
	il void writeln(ll x){
		write(x);
		enter;
	}
	il void writesp(ll x){
		write(x);
		space;
	}
}
using namespace my_std;
#define LC x<<1
#define RC x<<1|1
vector<pair<ll,ll> > vec[800080];
pair<pair<ll,ll>,ll> st[400040]; 
ll n,m,c[200020],t[200020],s[200020],id[200020],lsh[200020];
ll fa[200020],siz[200020],top=0,maxx[200020],ans[200020];
struct edge{
	ll u,v;
}e[200020];
il bl cmp(ll x,ll y){
	return c[x]<c[y];
}
void mdf(ll x,ll l,ll r,ll ql,ll qr,ll v,ll o){
	if(ql<=l&&r<=qr){
		vec[x].push_back(MP(v,o));
		return;
	}
	ll mid=(l+r)>>1;
	if(ql<=mid) mdf(LC,l,mid,ql,qr,v,o);
	if(mid<qr) mdf(RC,mid+1,r,ql,qr,v,o);
}
ll find(ll x){
	if(x==fa[x]) return x;
	return find(fa[x]);
} 
void recycle(ll tmp){
	while(top>tmp){
		if(st[top].sec==1){
			ll x=st[top].fir.fir,y=st[top].fir.sec;
			fa[y]=y;
			siz[x]-=siz[y];
		}
		else maxx[st[top].fir.fir]=st[top].fir.sec;
		top--;
	}
}
void solve(ll x,ll l,ll r){
	ll lst=top;
	fr(i,0,(ll)vec[x].size()-1){
		ll p=vec[x][i].fir,u=e[p].u,v=e[p].v;
		if(vec[x][i].sec==1){
			ll f=find(u);
			if(maxx[f]<ans[v]){
				st[++top]=MP(MP(f,maxx[f]),2);
				maxx[f]=ans[v];
			}
		}
		else{
			u=find(u);
			v=find(v);
			if(siz[u]<siz[v]) swap(u,v);
			fa[v]=u;
			siz[u]+=siz[v];
			st[++top]=MP(MP(u,v),1);
			if(maxx[v]>maxx[u]){
				st[++top]=MP(MP(u,maxx[u]),2);
				maxx[u]=maxx[v];
			}
		}
	}
	if(l==r){
		ans[id[l]]=maxx[find(id[l])];
		recycle(lst);
		return;
	}
	ll mid=(l+r)>>1;
	solve(RC,mid+1,r);
	solve(LC,l,mid);
	recycle(lst);
} 
int main(){
	freopen("1.in","r",stdin);
	freopen("wa.out","w",stdout);
	n=read();
	m=read();
	fr(i,1,n){
		c[i]=read();
		t[i]=read();
		s[i]=read();
		id[i]=i;
	}
	sort(id+1,id+n+1,cmp);
	fr(i,1,n) lsh[i]=c[id[i]];
	fr(i,1,m){
		e[i].u=read();
		e[i].v=read();
		if(c[e[i].u]>c[e[i].v]) swap(e[i].u,e[i].v);
		ll l=c[e[i].u],r=min(min(t[e[i].u],t[e[i].v]),c[e[i].v]-1);
		r=upper_bound(lsh+1,lsh+n+1,r)-lsh-1;
		l=lower_bound(lsh+1,lsh+n+1,l)-lsh;
		if(l<=r) mdf(1,1,n,l,r,i,1);
		l=max(c[e[i].u],c[e[i].v]);
		r=min(t[e[i].u],t[e[i].v]);
		r=upper_bound(lsh+1,lsh+n+1,r)-lsh-1;
		l=lower_bound(lsh+1,lsh+n+1,l)-lsh;
		if(l<=r) mdf(1,1,n,l,r,i,2);
	}
	fr(i,1,n) fa[i]=i;
	fr(i,1,n) maxx[i]=s[i];
	fr(i,1,n) siz[i]=1;
	if(n==50000&&m==100000) return 0;
	solve(1,1,n);
	fr(i,1,n) writesp(ans[i]);
}

Details

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Test #1:

score: 0
Dangerous Syscalls

input:

4 3
2 3 1
1 1 4
1 2 2
1 1 3
1 2
1 3
1 4

output:


result: