Submission #120350

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
120350	2019-06-24 08:44:26	IOrtroiii	Synchronization (JOI13_synchronization)	C++14	100 / 100	1540 ms	24240 KiB

synchronization

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#include <bits/stdc++.h>
using namespace std;
const int N = 100100;
int n, m, q;
vector<int> g[N];
int dep[N], par[17][N];
int tin[N], tout[N], tt;
void dfs(int v) {
   tin[v] = ++tt;
   for (int i = 1; i < 17; ++i) {
      par[i][v] = par[i - 1][par[i - 1][v]];
   }
   for (int u : g[v]) {
      if (u != par[0][v]) {
         dep[u] = dep[v] + 1;
         par[0][u] = v;
         dfs(u);
      }
   }
   tout[v] = tt;
}
int T[N << 2];
#define mid ((l + r) >> 1)
void add(int v, int l, int r, int L, int R, int val) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

synchronization.cpp: In function 'int main()':
synchronization.cpp:64:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d %d %d", &n, &m, &q);
    ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
synchronization.cpp:67:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d %d", &v, &u);
       ~~~~~^~~~~~~~~~~~~~~~~
synchronization.cpp:87:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d", &id);
       ~~~~~^~~~~~~~~~~
synchronization.cpp:104:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d", &v);
       ~~~~~^~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40