oj.uz

Submission #1032753

# Submission time Handle Problem Language Result Execution time Memory
1032753 2024-07-24T08:00:09 Z boyliguanhan Amusement Park (JOI17_amusement_park) C++17
73 / 100
 317 ms 262144 KB 
#include "Joi.h"
#include<bits/stdc++.h>
using namespace std;
namespace joi{
    vector<int>adj[100100],adj2[100100];
    bitset<100100>vis,inthisblok,deepest_path;
    int col[100100],CCcol,depdep=0,depnod,par[100100];
    void dfstree(int n){
        vis[n]=1;
        for(auto i:adj[n]){
            if(!vis[i]) {
                dfstree(i);
                adj2[i].push_back(n);
                adj2[n].push_back(i);
            }
        }
    }
    void getdeepest(int n,int dep){
        if(dep>depdep)
        depdep=dep,depnod=n;
        for(auto i:adj2[n])
            if(!col[i]&&i-par[n])
                getdeepest(i,dep+1);
    }
    void gowild(int n,int&CC,int color){
        if(!CC)return;
        if(!col[n])CC--,col[n]=color;
        for(auto i:adj2[n])
            if(i-par[n]&&(!col[i]||col[i]==color))
                gowild(i,CC,color);
    }
    void assigncols(int rt,int thecol){
        depdep=0;
        int CC=60;
        getdeepest(rt,1);
        int C=depnod;
        while(C-rt) deepest_path[C]=1,
            CC--,col[C]=thecol,C=par[C];
        gowild(rt,CC,thecol);
    }
    void preproc(int n,int p){
        par[n]=p;
        for(auto i:adj2[n])
            if(i-p)preproc(i,n);
    }
    int dfscol(int n){
        int sz=1;
        for(auto i:adj2[n])
            if(i-par[n])
                sz+=dfscol(i);
        if(sz>=60)
            assigncols(n,++CCcol),sz=0;
        return sz;
    }
}
vector<int>positions[10100];
void Joi(int N, int M, int A[], int B[], long long X, int T) {
    for(int i=0;i<M;i++)
        joi::adj[A[i]+1].push_back(B[i]+1),
        joi::adj[B[i]+1].push_back(A[i]+1);
    joi::dfstree(1);
    joi::preproc(1,0);
    joi::dfscol(1);
    for(int i=1;i<=N;i++) if(joi::col[i])
        positions[joi::col[i]].push_back(i);
    for(int i=1;i<=joi::CCcol;i++){
        long long X2=X;
        for(auto j:positions[i])
            MessageBoard(j-1,X2&1),X2>>=1;
    }
    for(int i=1;i<=N;i++) if(!joi::col[i])
        MessageBoard(i-1,0);
}


#include "Ioi.h"
#include<bits/stdc++.h>
using namespace std;
bitset<100100>messg;
void gooo(int nod){
    messg[nod]=Move(nod-1);
}
vector<int>path;
namespace ioi{
    vector<int>adj[100100],adj2[100100];
    bitset<100100>vis;
    int col[100100],CCcol,depdep=0,depnod,par[100100],deepest_path[100100];
    void dfstree(int n){
        vis[n]=1;
        for(auto i:adj[n]){
            if(!vis[i]) {
                dfstree(i);
                adj2[i].push_back(n);
                adj2[n].push_back(i);
            }
        }
    }
    void getdeepest(int n,int dep){
        if(dep>depdep)
            depdep=dep,depnod=n;
        for(auto i:adj2[n])
            if(!col[i]&&i-par[n])
                getdeepest(i,dep+1);
    }
    void gowild(int n,int&CC,int color){
        if(!CC)return;
        if(!col[n])CC--,col[n]=color;
        for(auto i:adj2[n])
            if(i-par[n]&&(!col[i]||col[i]==color))
                gowild(i,CC,color);
    }
    void assigncols(int rt,int thecol){
        depdep=0;
        int CC=60;
        getdeepest(rt,1);
        deepest_path[rt]=1;
        int C=depnod;
        while(C-rt) deepest_path[C]=1,
            CC--,col[C]=thecol,C=par[C];
        gowild(rt,CC,thecol);
    }
    void preproc(int n,int p){
        par[n]=p;
        for(auto i:adj2[n])
            if(i-p)preproc(i,n);
    }
    void makenocol(int n){
        col[n]=-1;
        for(auto i:adj2[n])
            if(i-par[n]&&!col[i])
                makenocol(i);
    }
    int dfscol(int n){
        int sz=1;
        for(auto i:adj2[n])
            if(i-par[n])
                sz+=dfscol(i);
        if(sz>=60)
            assigncols(n,++CCcol),sz=0;
        if(n==1&&sz){
            makenocol(n);
        }
        return sz;
    }
    void tofindall(int n){
        for(auto i:adj2[n])
            if(col[i]==col[n]&&!deepest_path[i]&&i!=par[n])
                gooo(i),tofindall(i);
        if(!deepest_path[n])
            gooo(par[n]);
        else for(auto i:adj2[n])
            if(i-par[n]&&deepest_path[i]&&col[i]==col[n])
                gooo(i),tofindall(i);
    }
    pair<int,int>getclos(int n){
        if(col[n]>0)return{0,n};
        pair<int,int>ans={100100,0};
        for(auto i:adj2[n])
            if(i!=par[n])
                ans=min(ans,getclos(i));
        return {ans.first+1,ans.second};
    }
}
 
long long Ioi2(int P,int N){
    auto[x,y]=ioi::getclos(P);
    vector<int>path;
    do{
        path.push_back(y);
        y=ioi::par[y];
    }while(y-P);
    reverse(path.begin(),path.end());
    for(auto i:path)
        gooo(P=i);
    ioi::tofindall(P);
    vector<int>important;
    for(int i=1;i<=N;i++)
        if(ioi::col[i]==ioi::col[P])
            important.push_back(i);
    long long ans=0;
    reverse(important.begin(),important.end());
    for(auto i:important)
        ans=ans<<1|messg[i];
    return ans;
}
long long Ioi(int N, int M, int A[], int B[], int P, int V, int T) {
    for(int i=1;i<=N;i++)
        ioi::adj[i].clear(),ioi::adj2[i].clear();
    for(int i=0;i<M;i++)
        ioi::adj[A[i]+1].push_back(B[i]+1),
        ioi::adj[B[i]+1].push_back(A[i]+1);
    P++;
    messg[P]=V;
    ioi::dfstree(1);
    ioi::preproc(1,0);
    ioi::dfscol(1);
    assert(ioi::vis.count()==N);
    assert(ioi::CCcol>=1);
    for(int i=2;i<=N;i++)
        if(!ioi::par[i])
            return 34;
    if(ioi::col[P]==-1){
        return Ioi2(P,N);
    }
    while(!ioi::col[P])
        gooo(P=ioi::par[P]);
    while(ioi::col[ioi::par[P]]==ioi::col[P])
        gooo(P=ioi::par[P]);
    ioi::tofindall(P);
    vector<int>important;
    for(int i=1;i<=N;i++)
        if(ioi::col[i]==ioi::col[P])
            important.push_back(i);
    long long ans=0;
    reverse(important.begin(),important.end());
    for(auto i:important)
        ans=(ans<<1)|messg[i];
    return ans;
}

Compilation message

In file included from /usr/include/c++/10/cassert:44,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:33,
                 from Ioi.cpp:2:
Ioi.cpp: In function 'long long int Ioi(int, int, int*, int*, int, int, int)':
Ioi.cpp:122:28: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  122 |     assert(ioi::vis.count()==N);
      |            ~~~~~~~~~~~~~~~~^~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12052 KB Output is correct
2 Correct 4 ms 11032 KB Output is correct
3 Correct 3 ms 10528 KB Output is correct
4 Correct 4 ms 11040 KB Output is correct
5 Correct 3 ms 10284 KB Output is correct
6 Correct 4 ms 11048 KB Output is correct
7 Correct 4 ms 11548 KB Output is correct
8 Correct 3 ms 10528 KB Output is correct
9 Correct 3 ms 11556 KB Output is correct
10 Correct 4 ms 10276 KB Output is correct
11 Correct 5 ms 10848 KB Output is correct
12 Correct 3 ms 12060 KB Output is correct
13 Correct 3 ms 11556 KB Output is correct
14 Correct 5 ms 11564 KB Output is correct
15 Correct 5 ms 10536 KB Output is correct
16 Correct 5 ms 11556 KB Output is correct
17 Correct 5 ms 10776 KB Output is correct
18 Correct 4 ms 10536 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 16156 KB Output is correct
2 Correct 23 ms 15384 KB Output is correct
3 Correct 20 ms 16228 KB Output is correct
4 Correct 13 ms 13628 KB Output is correct
5 Correct 14 ms 15164 KB Output is correct
6 Correct 15 ms 13380 KB Output is correct
7 Correct 14 ms 14136 KB Output is correct
8 Correct 15 ms 14148 KB Output is correct
9 Correct 13 ms 14136 KB Output is correct
10 Correct 12 ms 13644 KB Output is correct
11 Correct 17 ms 13976 KB Output is correct
12 Correct 16 ms 13696 KB Output is correct
13 Correct 11 ms 14368 KB Output is correct
14 Correct 15 ms 13864 KB Output is correct
15 Correct 13 ms 12864 KB Output is correct
16 Correct 14 ms 12864 KB Output is correct
17 Correct 12 ms 14648 KB Output is correct
18 Correct 14 ms 12872 KB Output is correct
19 Correct 14 ms 13020 KB Output is correct
20 Correct 12 ms 13892 KB Output is correct
21 Correct 10 ms 13632 KB Output is correct
22 Runtime error 317 ms 262144 KB Execution killed with signal 9
23 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 11044 KB Output is correct
2 Correct 3 ms 12048 KB Output is correct
3 Correct 3 ms 10264 KB Output is correct
4 Correct 5 ms 12016 KB Output is correct
5 Correct 5 ms 11080 KB Output is correct
6 Correct 6 ms 11080 KB Output is correct
7 Correct 5 ms 10820 KB Output is correct
8 Correct 4 ms 11120 KB Output is correct
9 Correct 11 ms 15172 KB Output is correct
10 Correct 11 ms 15172 KB Output is correct
11 Correct 11 ms 15160 KB Output is correct
12 Correct 3 ms 11292 KB Output is correct
13 Correct 3 ms 10276 KB Output is correct
14 Correct 4 ms 11124 KB Output is correct
15 Correct 3 ms 11032 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 14896 KB Output is correct
2 Correct 19 ms 14884 KB Output is correct
3 Correct 19 ms 15392 KB Output is correct
4 Correct 13 ms 13632 KB Output is correct
5 Correct 14 ms 13876 KB Output is correct
6 Correct 18 ms 14132 KB Output is correct
7 Correct 19 ms 14408 KB Output is correct
8 Correct 14 ms 13412 KB Output is correct
9 Correct 13 ms 13376 KB Output is correct
10 Correct 12 ms 13284 KB Output is correct
11 Correct 12 ms 12876 KB Output is correct
12 Correct 11 ms 12840 KB Output is correct
13 Correct 11 ms 12676 KB Output is correct
14 Correct 14 ms 12712 KB Output is correct
15 Correct 18 ms 12860 KB Output is correct
16 Correct 13 ms 13624 KB Output is correct
17 Correct 15 ms 12932 KB Output is correct
18 Correct 13 ms 12860 KB Output is correct
19 Correct 14 ms 12860 KB Output is correct
20 Correct 12 ms 14152 KB Output is correct
21 Correct 11 ms 14136 KB Output is correct
22 Correct 11 ms 14248 KB Output is correct
23 Correct 13 ms 13384 KB Output is correct
24 Correct 13 ms 13376 KB Output is correct
25 Correct 13 ms 15160 KB Output is correct
26 Correct 14 ms 14136 KB Output is correct
27 Correct 15 ms 13632 KB Output is correct
28 Correct 15 ms 14144 KB Output is correct
29 Correct 13 ms 13344 KB Output is correct
30 Correct 15 ms 13484 KB Output is correct

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 14884 KB Output is correct
2 Correct 22 ms 14888 KB Output is correct
3 Correct 20 ms 15408 KB Output is correct
4 Correct 14 ms 13620 KB Output is correct
5 Correct 16 ms 14376 KB Output is correct
6 Correct 15 ms 13384 KB Output is correct
7 Correct 15 ms 13380 KB Output is correct
8 Correct 14 ms 13376 KB Output is correct
9 Correct 14 ms 15160 KB Output is correct
10 Correct 13 ms 13636 KB Output is correct
11 Correct 12 ms 14652 KB Output is correct
12 Correct 17 ms 13804 KB Output is correct
13 Correct 13 ms 13612 KB Output is correct
14 Correct 13 ms 13872 KB Output is correct
15 Correct 14 ms 12924 KB Output is correct
16 Correct 13 ms 13620 KB Output is correct
17 Correct 16 ms 13624 KB Output is correct
18 Correct 16 ms 13632 KB Output is correct
19 Correct 13 ms 13636 KB Output is correct
20 Correct 11 ms 13892 KB Output is correct
21 Correct 11 ms 14148 KB Output is correct
22 Correct 15 ms 14144 KB Output is correct
23 Correct 14 ms 14128 KB Output is correct
24 Correct 13 ms 14136 KB Output is correct
25 Correct 14 ms 13372 KB Output is correct
26 Correct 13 ms 14132 KB Output is correct
27 Correct 13 ms 13636 KB Output is correct
28 Correct 14 ms 13636 KB Output is correct
29 Correct 13 ms 13348 KB Output is correct
30 Correct 17 ms 13628 KB Output is correct
31 Correct 4 ms 11028 KB Output is correct
32 Correct 4 ms 11040 KB Output is correct
33 Correct 4 ms 10524 KB Output is correct
34 Correct 4 ms 10264 KB Output is correct
35 Correct 4 ms 10464 KB Output is correct
36 Correct 3 ms 10272 KB Output is correct
37 Correct 2 ms 12052 KB Output is correct
38 Correct 4 ms 11040 KB Output is correct
39 Correct 3 ms 10276 KB Output is correct
40 Correct 2 ms 11028 KB Output is correct
41 Runtime error 304 ms 262144 KB Execution killed with signal 9
42 Halted 0 ms 0 KB -