Submission #1056420

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1056420	2024-08-13 09:21:25	user736482	The Xana coup (BOI21_xanadu)	C++17	5 / 100	405 ms	9580 KiB

xanadu

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#include<bits/stdc++.h>
using namespace std;
long long a,b,c,t,n;
int ans=1e9;
set<pair<int,int>>s;
vector<int>tree[100007];
vector<int>leaves;
vector<bool>st;
long long buttons[100007];
int cost[100007][2][2];//vertice, iflit,ifpressed
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin>>n;
    for(int i=1;i<n;i++){
        cin>>a>>b;
        tree[a].push_back(b);
        tree[b].push_back(a);
        buttons[a]+=1<<(b-1);
        buttons[b]+=1<<(a-1);
    }
    for(int i=1;i<=n;i++){
        if(tree[i].size()==1)
            leaves.push_back(i);
        buttons[i]+=1<<(i-1);
        cin>>a;
        st.push_back(a);
    }
    reverse(st.begin(),st.end());
    int a=0;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

xanadu.cpp: In function 'int main()':
xanadu.cpp:31:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<bool>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |     for(int i=0;i<st.size();i++){
      |                 ~^~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 15
• Subtask 3: 0 / 10
• Subtask 4: 0 / 40
• Subtask 5: 0 / 30