Submission #714792

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
714792	2023-03-25 09:26:53	Toxtaq	Stranded Far From Home (BOI22_island)	C++17	20 / 100	1096 ms	290088 KiB

island

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#include <bits/stdc++.h>
using namespace std;
vector<vector<int>>g;
vector<int>num;
vector<long long>cnt1;
vector<int>canTraverse; /// 0-unchecked, 1-false, 2-true
void calc(int u, int par){
    cnt1[u] = num[u];
    for(int v : g[u]){
        if(v != par){
            calc(v, u);
            cnt1[u] += cnt1[v];
        }
    }
}
void dfs1(int u, int par){
    if(canTraverse[par] == 1)canTraverse[u] = 1;
    else{
        canTraverse[u] = (cnt1[u] >= num[par]) + 1;
    }
    for(int v : g[u]){
        if(v != par){
            dfs1(v, u);
        }
    }
}
vector<bool>vis, chosen;
bool cmp(int a, int b){
    return num[a] < num[b];
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

island.cpp: In function 'int main()':
island.cpp:87:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   87 |             while(tmp.size() && ind < tmp.size()){
      |                                 ~~~~^~~~~~~~~~~~
island.cpp:88:35: warning: unused variable 'sz' [-Wunused-variable]
   88 |                 int j = tmp[ind], sz = tmp.size();
      |                                   ^~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 30
• Subtask 5: 0 / 35