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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#472607#5504. Flower Gardenzhao_daodaoWA 3865ms472696kbC++143.4kb2024-07-11 17:30:542024-07-11 17:30:54

Judging History

你现在查看的是最新测评结果

  • [2024-07-11 17:30:54]
  • 评测
  • 测评结果:WA
  • 用时:3865ms
  • 内存:472696kb
  • [2024-07-11 17:30:54]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
using namespace std;
const int MAXN=1e6+5;
int T=-1;
#define ls(x) ((x)<<1)
#define rs(x) ((x)<<1|1)
struct Tree{
    #define in(x) tr[x].in
    #define out(x) tr[x].out
    int in,out;
}tr[MAXN];int tot;
basic_string<int>V[MAXN];
inline void add(int u,int v){V[u].push_back(v);}
inline void build(int l,int r,int q){
    if(l==r){
        in(q)=out(q)=l;
        return ;
    }
    int mid=l+r>>1;
    in(q)=++tot,out(q)=++tot;
    build(l,mid,ls(q)),build(mid+1,r,rs(q));
    add(in(q),in(ls(q))),add(in(q),in(rs(q)));
    add(out(ls(q)),out(q)),add(out(rs(q)),out(q));
}
inline void update(int l,int r,int ql,int qr,int q,int x,bool opt){
    if(ql<=l&&r<=qr){
        if(opt)add(x,out(q));
        else add(in(q),x);
        return ;
    }int mid=l+r>>1;
    if(ql<=mid)update(l,mid,ql,qr,ls(q),x,opt);
    if(mid<qr)update(mid+1,r,ql,qr,rs(q),x,opt);
}
int n,q,w[MAXN];
int dfn[MAXN],low[MAXN],dfscnt;
int scc[MAXN],siz[MAXN],sc;
int instk[MAXN],stk[MAXN],tp;
inline void tarjan(int u){
    dfn[u]=low[u]=++dfscnt;
    instk[stk[++tp]=u]=1;
    for(int v:V[u]){
        if(!dfn[v]){
            tarjan(v);
            low[u]=min(low[u],low[v]);
        }else if(instk[v]){
            low[u]=min(low[u],dfn[v]);
        }
    }
    if(dfn[u]==low[u]){
        sc++;
        while(stk[tp]!=u){
            scc[stk[tp]]=sc;
            instk[stk[tp--]]=0;
        }
        scc[stk[tp]]=sc;
        instk[stk[tp--]]=0;
    }
}
basic_string<int>G[2][MAXN];
int deg[MAXN],col[MAXN];
inline void dfs(int u){
    col[u]=1;
    for(int v:G[1][u])if(!col[v])
        dfs(v);
}
signed main(){
    cin.tie(0);
    cout.tie(0);
    ios::sync_with_stdio(false);
    if(T==-1)cin>>T;
    for(int i=1;i<=tot;i++)dfn[i]=low[i]=scc[i]=siz[i]=instk[i]=stk[i]=deg[i]=col[i]=0;
    for(int i=1;i<=tot;i++)V[i].clear(),G[0][i].clear(),G[1][i].clear();
    dfscnt=sc=tp=0;
    cin>>n>>q;tot=3*n;
    build(1,3*n,1);
    for(int i=1;i<=3*n;i++)w[i]=1;
    for(int i=1,a_,b_,c_,d_;i<=q;i++){
        cin>>a_>>b_>>c_>>d_;
        int now=++tot;
        update(1,3*n,a_,b_,1,now,0);
        update(1,3*n,c_,d_,1,now,1);
    }
    for(int i=1;i<=tot;i++)if(!dfn[i])tarjan(i);
    for(int i=1;i<=tot;i++)siz[scc[i]]+=w[i];
    for(int u=1;u<=tot;u++)for(int v:V[u])
        if(scc[u]!=scc[v]){
            G[1][scc[u]].push_back(scc[v]);
            G[0][scc[v]].push_back(scc[u]);
            deg[scc[u]]++;
        }
    queue<int>q;
    for(int i=1;i<=sc;i++)if(!deg[i])q.push(i);
    int all=0;
    while(!q.empty()){
        int u=q.front();q.pop();
        if(siz[u]>n)continue;
        col[u]=1,all+=siz[u];
        if(all>=n)break;
        for(int v:G[0][u])if(!--deg[v])q.push(v);
    }
    if(all>=n){
        cout<<"TAK\n";
        for(int i=1;i<=3*n;i++)
            if(col[scc[i]])cout<<'F';
            else cout<<'R';
        cout<<"\n";
        if(--T)main();else exit(0);
    }
    for(int _=1;_<=sc;_++)if(siz[_]>n){
        for(int i=1;i<=sc;i++)col[i]=0;
        all=0;dfs(_);
        for(int i=1;i<=sc;i++)all+=col[i]*siz[i];
        if(all<=2*n){
            cout<<"TAK\n";
            for(int i=1;i<=3*n;i++)
                if(col[scc[i]])cout<<'F';
                else cout<<'R';
            cout<<"\n";
            if(--T)main();else exit(0);
        }
    }
    cout<<"NIE\n";
    if(--T)main();else exit(0);
}

Details

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Test #1:

score: 100
Accepted
time: 15ms
memory: 102524kb

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
Wrong Answer
time: 3865ms
memory: 472696kb

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:

TAK
FRFRFFRFRRFFRFRRFRRFRRFRRFRRFRRFRRFRRFRRFRRFFRFRRFRFRFRRFRRFRRFRRFRRFRRFRRFRRFRRFFRFRRFRRFRRFRRFRRFRFRFRRFRRFRRFFRFRRFRRFRRFRRFRRFRRFRRFFRFRRFRRFRRFRFRFRRFRRFRRFRRFRRFRRFRRFRRFRRFRRFRRFRRFFFFRRFRRFRFFFFFFRRFRRFRRFRRFRRFFRFRRFRRFRRFRRFRRFRRFRRFRRFRFRFRRFRRFRRFRRFRRFRRFRRFRRFRRFRRFRRFRRFRRFRRFRRFR...

result:

wrong answer zla odpowiedz!