Submission #882910

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
882910	2023-12-04 06:27:14	noyancanturk	The Xana coup (BOI21_xanadu)	C++17	100 / 100	102 ms	26520 KiB

xanadu

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#ifndef Local
    #pragma GCC optimize("O3,unroll-loops")
    const int lim=1e5+100;
#else
    const int lim=1e3;
#endif
#include "bits/stdc++.h"
using namespace std;
#define int long long
#define pb push_back
const int mod=1e9+7;
using pii=pair<int,int>;
bool types[lim];
vector<int>v[lim];
int dp[lim][2][2];
bool vis[lim][2][2];
void dfs(int node,int parent,bool clickpar,bool clicknode){
    if(vis[node][clickpar][clicknode])return;
    vis[node][clickpar][clicknode]=1;
    dp[node][clickpar][clicknode]=clicknode;
    bool cur=types[node]^clickpar^clicknode;
    vector<int>pos;
    for(int j:v[node]){
        if(j!=parent){
            dfs(j,node,clicknode,0),dfs(j,node,clicknode,1);
 
 
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Compilation message (stderr)

xanadu.cpp: In function 'void dfs(long long int, long long int, bool, bool)':
xanadu.cpp:44:13: 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]
   44 |     for(;i+1<pos.size();i+=2){
      |          ~~~^~~~~~~~~~~

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