oj.uz

Submission #934892

# Submission time Handle Problem Language Result Execution time Memory
934892 2024-02-28T06:28:58 Z irmuun Political Development (BOI17_politicaldevelopment) C++17
4 / 100
 161 ms 310688 KB 
#include<bits/stdc++.h>
 
using namespace std;
 
#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

ll n,k,d[50000];
vector<ll>adj[50000];
vector<vector<bool>>dis(50000,vector<bool>(50000,0));
bool check(vector<ll>v){
    for(ll i=0;i<v.size();i++){
        for(ll j=i+1;j<v.size();j++){
            if(dis[i][j]==false){
                return false;
            }
        }
    }
    return true;
}
 
int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    cin>>n>>k;
    bool ok=false;
    for(ll i=0;i<n;i++){
        cin>>d[i];
        if(d[i]>0) ok=true;
        adj[i].resize(d[i]);
        for(ll j=0;j<d[i];j++){
            cin>>adj[i][j];
            dis[i][adj[i][j]]=true;
        }
    }
    bool k3=false;
    ll ans=1;
    for(ll i=0;i<n;i++){
        if(d[i]<=10){
            ll sz=d[i];
            ll p=(1ll<<sz);
            vector<ll>v;
            for(ll j=0;j<p;j++){
                for(ll r=0;r<sz;r++){
                    if(j&(1ll<<r)){
                        v.pb(adj[i][r]);
                    }
                }
                if(check(v)){
                    ans=max(ans,(ll)v.size()+1);
                }
                v.clear();
            }
        }
    }
    cout<<ans;
}

Compilation message

politicaldevelopment.cpp: In function 'bool check(std::vector<long long int>)':
politicaldevelopment.cpp:16:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     for(ll i=0;i<v.size();i++){
      |                ~^~~~~~~~~
politicaldevelopment.cpp:17:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |         for(ll j=i+1;j<v.size();j++){
      |                      ~^~~~~~~~~
politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:29:10: warning: variable 'ok' set but not used [-Wunused-but-set-variable]
   29 |     bool ok=false;
      |          ^~
politicaldevelopment.cpp:39:10: warning: unused variable 'k3' [-Wunused-variable]
   39 |     bool k3=false;
      |          ^~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 310352 KB Output is correct
2 Correct 140 ms 310352 KB Output is correct
3 Correct 148 ms 310612 KB Output is correct
4 Correct 144 ms 310428 KB Output is correct
5 Correct 140 ms 310612 KB Output is correct
6 Correct 142 ms 310456 KB Output is correct
7 Correct 159 ms 310660 KB Output is correct
8 Correct 142 ms 310356 KB Output is correct
9 Correct 143 ms 310220 KB Output is correct
10 Correct 144 ms 310292 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 310352 KB Output is correct
2 Correct 140 ms 310352 KB Output is correct
3 Correct 148 ms 310612 KB Output is correct
4 Correct 144 ms 310428 KB Output is correct
5 Correct 140 ms 310612 KB Output is correct
6 Correct 142 ms 310456 KB Output is correct
7 Correct 159 ms 310660 KB Output is correct
8 Correct 142 ms 310356 KB Output is correct
9 Correct 143 ms 310220 KB Output is correct
10 Correct 144 ms 310292 KB Output is correct
11 Correct 140 ms 310616 KB Output is correct
12 Correct 144 ms 310608 KB Output is correct
13 Incorrect 146 ms 310356 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 155 ms 310688 KB Output is correct
2 Correct 141 ms 310180 KB Output is correct
3 Correct 142 ms 310360 KB Output is correct
4 Incorrect 161 ms 310200 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 310352 KB Output is correct
2 Correct 140 ms 310352 KB Output is correct
3 Correct 148 ms 310612 KB Output is correct
4 Correct 144 ms 310428 KB Output is correct
5 Correct 140 ms 310612 KB Output is correct
6 Correct 142 ms 310456 KB Output is correct
7 Correct 159 ms 310660 KB Output is correct
8 Correct 142 ms 310356 KB Output is correct
9 Correct 143 ms 310220 KB Output is correct
10 Correct 144 ms 310292 KB Output is correct
11 Correct 140 ms 310616 KB Output is correct
12 Correct 144 ms 310608 KB Output is correct
13 Incorrect 146 ms 310356 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 137 ms 310352 KB Output is correct
2 Correct 140 ms 310352 KB Output is correct
3 Correct 148 ms 310612 KB Output is correct
4 Correct 144 ms 310428 KB Output is correct
5 Correct 140 ms 310612 KB Output is correct
6 Correct 142 ms 310456 KB Output is correct
7 Correct 159 ms 310660 KB Output is correct
8 Correct 142 ms 310356 KB Output is correct
9 Correct 143 ms 310220 KB Output is correct
10 Correct 144 ms 310292 KB Output is correct
11 Correct 140 ms 310616 KB Output is correct
12 Correct 144 ms 310608 KB Output is correct
13 Incorrect 146 ms 310356 KB Output isn't correct
14 Halted 0 ms 0 KB -