Submission #228130

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
228130	2020-04-30 03:08:10	arnold518	Synchronization (JOI13_synchronization)	C++14	100 / 100	590 ms	85292 KiB

synchronization

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 2e5;
const int MAXM = 1e5;
int N, M, Q, P[MAXN+10];
int X[MAXN+10], Y[MAXN+10];
vector<int> adj[MAXN+10];
int A[MAXN+10], B[MAXN+10];
int S[MAXN+10], E[MAXN+10], idx[MAXN+10], cnt;
void dfs(int now, int bef)
{
  S[now]=++cnt;
  idx[cnt]=now;
  for(auto &nxt : adj[now])
  {
    if(nxt==bef) continue;
    dfs(nxt, now);
  }
  E[now]=cnt;
}
struct priority_set
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

synchronization.cpp: In function 'void update1(int, int, int, int, int, int)':
synchronization.cpp:53:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=tl+tr>>1;
          ~~^~~
synchronization.cpp: In function 'void update2(int, int, int, int, int, int)':
synchronization.cpp:66:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=tl+tr>>1;
          ~~^~~
synchronization.cpp: In function 'int query(int, int, int, int)':
synchronization.cpp:74:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=tl+tr>>1;
          ~~^~~
synchronization.cpp: In function 'int main()':
synchronization.cpp:85:9: warning: unused variable 'j' [-Wunused-variable]
  int i, j;
         ^
synchronization.cpp:87:7: 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:90:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &X[i], &Y[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~
synchronization.cpp:102:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &e);
   ~~~~~^~~~~~~~~~
synchronization.cpp:121:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &t);
   ~~~~~^~~~~~~~~~

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