Submission #418661

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
418661	2021-06-05 17:01:30	parsabahrami	Subtree (INOI20_subtree)	C++17	50 / 100	2075 ms	33028 KiB

Main

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#include <bits/stdc++.h>
#pragma GCC optimize("O2", "fast-math") 
using namespace std;
typedef long long int ll;
typedef pair<int, int> pii;
 
#define SZ(x)                       (int) x.size()
#define F                           first
#define S                           second
const int N = 1e5 + 10, MOD = 1e9 + 7;
int dp[N], M[N], dp2[N], up[N], P[N], H[N], rt[N], fr[N], to[N], n, m; vector<int> vec[N], adj[N];
int pd[N];
void add(int &x, int y) {
    x += y;
    if (x >= MOD) x -= MOD;
    if (x < 0) x += MOD;
}
int Find(int v) { return !rt[v] ? v : rt[v] = Find(rt[v]); }
void Union(int u, int v) {
    u = Find(u), v = Find(v);
    if (u == v) return;
    vec[v].push_back(u);
    rt[u] = v;
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:107:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  107 |     scanf("%d%d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~
Main.cpp:111:24: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  111 |         int u, v; scanf("%d%d", &u, &v);
      |                   ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 12 / 12
• Subtask 3: 30 / 30
• Subtask 4: 0 / 50