Submission #869938

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
869938	2023-11-06 11:08:37	PagodePaiva	The Xana coup (BOI21_xanadu)	C++17	100 / 100	59 ms	15816 KiB

xanadu

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#include<bits/stdc++.h>
#define N 100010
#define inf 1e6
#define int long long
using namespace std;
int n;
vector <int> g[N];
int v[N];
int dp[N][2][2];
queue <int> topsort;
void solve(int node, int p, int ap, int app){
    if(dp[node][ap][app] != inf) return;
    vector <int> vl;
    int sum = 0;
    if(ap == 1) sum++;
    for(auto x : g[node]){
        if(x == p) continue;
        vl.push_back(-dp[x][0][ap] + dp[x][1][ap]);
        sum += dp[x][0][ap];
    }
    int valor = v[node] + ap + app;
    valor %= 2;
    sort(vl.begin(), vl.end());
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

xanadu.cpp: In function 'void solve(long long int, long long int, long long int, long long int)':
xanadu.cpp:33:25: 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]
   33 |         for(int i = 1;i < vl.size();i += 2){
      |                       ~~^~~~~~~~~~~
xanadu.cpp:46:25: 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]
   46 |         for(int i = 2;i < vl.size();i += 2){
      |                       ~~^~~~~~~~~~~

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