Submission #917031

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
917031	2024-01-27T03:30:08 Z	firewater	Election Campaign (JOI15_election_campaign)	C++14	Compilation error	0 ms	0 KB

election_campaign

#include<bits/stdc++.h>
#define fs first
#define sn second
#define mp make_pair
#define N 100100
using namespace std;
ll n,m,ans,x,y,z,w,tot,h[N],f[N],sz[N],hs[N],top[N],fa[N],dep[N],dfn[N],low[N],v[N];
vector<pair<pair<ll,ll>,ll> >d[N];
struct rec
{
	ll to,nx;
}e[N<<1];
void addl(ll x,ll y)
{
	e[++tot].to=y;
	e[tot].nx=h[x];
	h[x]=tot;
	return;
}
struct Tree
{
	#define ls x*2
	#define rs x*2+1
	ll s[N<<2];
	void push_up(ll x)
	{
		s[x]=s[ls]+s[rs];
		return;
	}
	void change(ll x,ll l,ll r,ll y,ll z)
	{
		if(l==r){
			s[x]=max(s[x],y);
			return;
		}
		ll mid=l+r>>1;
		if(y<=r)change(ls,l,mid,y,z);
		else change(rs,mid+1,r,y,z);
		push_up(x);
		return;
	}
	ll ask(ll x,ll L,ll R,ll l,ll r)
	{
		if(L==R)return s[x];
		ll mid=L+R>>1;
		if(mid<=r)return ask(ls,L,mid,l,r);
		else if(mid>l)return ask(rs,mid+1,R,l,r);
		else return ask(ls,L,mid,l,mid)+ask(rs,mid+1,R,mid+1,r);
	}
}T;
void dfs(ll x)
{
	sz[x]=1;
	for(ll i=h[x];i;i=e[i].nx){
		ll y=e[i].to;
		if(y==fa[x])continue;
		fa[y]=x;
		dep[y]=dep[x]+1;
		dfs(y);
		sz[x]+=sz[y];
		if(sz[y]>sz[hs[x]])hs[x]=y;
	}
	return;
}
void dfs1(ll x,ll anc)
{
	dfn[x]=++w;
	top[x]=anc;
	if(hs[x])dfs1(hs[x],anc);
	for(ll i=h[x];i;i=e[i].nx){
		ll y=e[i].to;
		if(y==fa[x]||y==hs[x])continue;
		dfs1(y,y);
	}
	low[x]=++w;
	return;
}
ll lca(ll x,ll y)
{
	while(top[x]!=top[y]){
		if(dep[top[x]]<dep[top[y]])swap(x,y);
		x=fa[top[x]];
	}
	return (dep[x]<dep[y]?x:y);
}
ll ask(ll x,ll y)
{
	ll sum=0;
	while(top[x]!=top[y]){
		if(dep[top[x]]<dep[top[y]])swap(x,y);
		if(hs[x])sum+=f[hs[x]];
		sum+=T.ask(1,1,n,dfn[top[x]],dfn[x])-f[top[x]];
		x=fa[top[x]];
	}
	if(top[x]>top[y])swap(x,y);
	if(hs[y])sum+=f[hs[y]];
	sum+=T.ask(1,1,n,dfn[x],dfn[y]);
	return sum;
}
bool cmp(ll x,ll y)
{
	return dep[x]>dep[y];
}
ll main()
{
	scanf("%lld",&n);
	for(ll i=1;i<n;++i){
		scanf("%lld%lld",&x,&y);
		addl(x,y);
		addl(y,x);
	}
	fa[1]=1;
	dep[1]=1;
	dfs(1);
	dfs1(1,1);
	scanf("%lld",&m);
	for(ll i=1;i<=m;++i){
		scanf("%lld%lld%lld",&x,&y,&z);
		ll u=lca(x,y);
		d[u].push_back(mp(mp(x,y),z));
	}
	for(ll i=1;i<=n;++i)
		v[i]=i;
	sort(v+1,v+1+n,cmp);
	for(ll i=1;i<=n;++i){
		x=v[i];
		f[x]=T.ask(1,1,n,dfn[x],dfn[x]);
		if(hs[x])f[x]+=f[hs[x]];
		for(ll j=0;j<d[x].size();++j){
			f[x]=max(f[x],ask(d[x][j].fs.fs,d[x][j].fs.sn)+d[x][j].sn);
//			printf("...........%d %d %d\n",d[x][j].fs.fs,d[x][j].fs.sn,ask(d[x][j].fs.fs,d[x][j].fs.sn));
		}
		ans=max(ans,f[x]);
//		printf("%d %d\n",x,f[x]);
		if(x!=1&&x==top[x])T.change(1,1,n,dfn[fa[x]],f[x]);
	}
	printf("%lld\n",ans);
	return 0;
}

Compilation message

election_campaign.cpp:7:1: error: 'll' does not name a type; did you mean 'ls'?
    7 | ll n,m,ans,x,y,z,w,tot,h[N],f[N],sz[N],hs[N],top[N],fa[N],dep[N],dfn[N],low[N],v[N];
      | ^~
      | ls
election_campaign.cpp:8:18: error: 'll' was not declared in this scope; did you mean 'ls'?
    8 | vector<pair<pair<ll,ll>,ll> >d[N];
      |                  ^~
      |                  ls
election_campaign.cpp:8:21: error: 'll' was not declared in this scope; did you mean 'ls'?
    8 | vector<pair<pair<ll,ll>,ll> >d[N];
      |                     ^~
      |                     ls
election_campaign.cpp:8:23: error: template argument 1 is invalid
    8 | vector<pair<pair<ll,ll>,ll> >d[N];
      |                       ^
election_campaign.cpp:8:23: error: template argument 2 is invalid
election_campaign.cpp:8:25: error: 'll' was not declared in this scope; did you mean 'ls'?
    8 | vector<pair<pair<ll,ll>,ll> >d[N];
      |                         ^~
      |                         ls
election_campaign.cpp:8:27: error: template argument 1 is invalid
    8 | vector<pair<pair<ll,ll>,ll> >d[N];
      |                           ^
election_campaign.cpp:8:27: error: template argument 2 is invalid
election_campaign.cpp:8:29: error: template argument 1 is invalid
    8 | vector<pair<pair<ll,ll>,ll> >d[N];
      |                             ^
election_campaign.cpp:8:29: error: template argument 2 is invalid
election_campaign.cpp:11:2: error: 'll' does not name a type; did you mean 'ls'?
   11 |  ll to,nx;
      |  ^~
      |  ls
election_campaign.cpp:13:6: error: variable or field 'addl' declared void
   13 | void addl(ll x,ll y)
      |      ^~~~
election_campaign.cpp:13:11: error: 'll' was not declared in this scope; did you mean 'ls'?
   13 | void addl(ll x,ll y)
      |           ^~
      |           ls
election_campaign.cpp:13:16: error: 'll' was not declared in this scope; did you mean 'ls'?
   13 | void addl(ll x,ll y)
      |                ^~
      |                ls
election_campaign.cpp:24:2: error: 'll' does not name a type; did you mean 'ls'?
   24 |  ll s[N<<2];
      |  ^~
      |  ls
election_campaign.cpp:25:15: error: 'll' has not been declared
   25 |  void push_up(ll x)
      |               ^~
election_campaign.cpp:30:14: error: 'll' has not been declared
   30 |  void change(ll x,ll l,ll r,ll y,ll z)
      |              ^~
election_campaign.cpp:30:19: error: 'll' has not been declared
   30 |  void change(ll x,ll l,ll r,ll y,ll z)
      |                   ^~
election_campaign.cpp:30:24: error: 'll' has not been declared
   30 |  void change(ll x,ll l,ll r,ll y,ll z)
      |                        ^~
election_campaign.cpp:30:29: error: 'll' has not been declared
   30 |  void change(ll x,ll l,ll r,ll y,ll z)
      |                             ^~
election_campaign.cpp:30:34: error: 'll' has not been declared
   30 |  void change(ll x,ll l,ll r,ll y,ll z)
      |                                  ^~
election_campaign.cpp:42:2: error: 'll' does not name a type; did you mean 'ls'?
   42 |  ll ask(ll x,ll L,ll R,ll l,ll r)
      |  ^~
      |  ls
election_campaign.cpp: In member function 'void Tree::push_up(int)':
election_campaign.cpp:27:3: error: 's' was not declared in this scope
   27 |   s[x]=s[ls]+s[rs];
      |   ^
election_campaign.cpp: In member function 'void Tree::change(int, int, int, int, int)':
election_campaign.cpp:33:4: error: 's' was not declared in this scope
   33 |    s[x]=max(s[x],y);
      |    ^
election_campaign.cpp:36:3: error: 'll' was not declared in this scope; did you mean 'l'?
   36 |   ll mid=l+r>>1;
      |   ^~
      |   l
election_campaign.cpp:37:23: error: 'mid' was not declared in this scope
   37 |   if(y<=r)change(ls,l,mid,y,z);
      |                       ^~~
election_campaign.cpp:38:18: error: 'mid' was not declared in this scope
   38 |   else change(rs,mid+1,r,y,z);
      |                  ^~~
election_campaign.cpp: At global scope:
election_campaign.cpp:51:6: error: variable or field 'dfs' declared void
   51 | void dfs(ll x)
      |      ^~~
election_campaign.cpp:51:10: error: 'll' was not declared in this scope; did you mean 'ls'?
   51 | void dfs(ll x)
      |          ^~
      |          ls
election_campaign.cpp:65:6: error: variable or field 'dfs1' declared void
   65 | void dfs1(ll x,ll anc)
      |      ^~~~
election_campaign.cpp:65:11: error: 'll' was not declared in this scope; did you mean 'ls'?
   65 | void dfs1(ll x,ll anc)
      |           ^~
      |           ls
election_campaign.cpp:65:16: error: 'll' was not declared in this scope; did you mean 'ls'?
   65 | void dfs1(ll x,ll anc)
      |                ^~
      |                ls
election_campaign.cpp:78:1: error: 'll' does not name a type; did you mean 'ls'?
   78 | ll lca(ll x,ll y)
      | ^~
      | ls
election_campaign.cpp:86:1: error: 'll' does not name a type; did you mean 'ls'?
   86 | ll ask(ll x,ll y)
      | ^~
      | ls
election_campaign.cpp:100:10: error: 'll' was not declared in this scope; did you mean 'ls'?
  100 | bool cmp(ll x,ll y)
      |          ^~
      |          ls
election_campaign.cpp:100:15: error: 'll' was not declared in this scope; did you mean 'ls'?
  100 | bool cmp(ll x,ll y)
      |               ^~
      |               ls
election_campaign.cpp:100:19: error: expression list treated as compound expression in initializer [-fpermissive]
  100 | bool cmp(ll x,ll y)
      |                   ^
election_campaign.cpp:104:1: error: 'll' does not name a type; did you mean 'ls'?
  104 | ll main()
      | ^~
      | ls