Submission #1119441

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1119441	2024-11-27 03:48:06	ro9669	Grapevine (NOI22_grapevine)	C++17	100 / 100	1846 ms	126716 KiB

Main

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#include <bits/stdc++.h>
#define fi first
#define se second
#define all(v) v.begin() , v.end()
#define sz(v) int(v.size())
#define unq(v) sort(all(v)); v.resize(unique(all(v)) - v.begin());
using namespace std;
typedef long long ll;
typedef pair<int , int> ii;
typedef pair<long long , int> lli;
const int maxN = int(1e5)+7;
const int LOG = 17;
int n , q;
map<ii , int> c;
vector<int> g[maxN];
bool del[maxN];
int sz[maxN];
void dfs_size(int u , int par){
    sz[u] = 1;
    for (int v : g[u]){
        if (del[v] == 0 && v != par){
            dfs_size(v , u);
            sz[u] += sz[v];
        }
    }
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:195:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  195 |         freopen(name".INP" , "r" , stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:196:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  196 |         freopen(name".OUT" , "w" , stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 14 / 14
• Subtask 3: 15 / 15
• Subtask 4: 15 / 15
• Subtask 5: 18 / 18
• Subtask 6: 32 / 32