Submission #531437

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
531437	2022-02-28 17:00:03	Killer2501	Magic Tree (CEOI19_magictree)	C++17	47 / 100	2064 ms	1048580 KiB

magictree

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#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define ull unsigned long long
#define pb push_back
#define pll pair<ll, ll>
#define pii pair<int, ll>
#define fi first
#define se second
using namespace std;
const int N = 1e5+5;
const int M = 250;
const int mod = 1e9+7;
const ll base = 75;
const ll inf = 1e16;
int n, m, a[N], lab[N], b[N], tong, d[N], t, c[N], dp[N], k;
ll ans;
vector<int> adj[N], radj[N];
vector<pll> vi;
string s;
map<int, ll> mp[N];
void dfs(int u)
{
    for(int v: adj[u])
    {
        dfs(v);
        if(mp[v].empty())continue;
        if(mp[u].size() > mp[v].size())swap(mp[u], mp[v]);
        for(auto x: mp[v])mp[u][x.fi] += x.se;
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

magictree.cpp: In function 'int main()':
magictree.cpp:80:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   80 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
magictree.cpp:81:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   81 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 0 / 3
• Subtask 3: 0 / 11
• Subtask 4: 12 / 12
• Subtask 5: 16 / 16
• Subtask 6: 13 / 13
• Subtask 7: 0 / 22
• Subtask 8: 0 / 17