Submission #160701

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
160701	2019-10-29 11:19:21	kig9981	Race (IOI11_race)	C++17	100 / 100	998 ms	29764 KiB

race

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#include "race.h"
#include <bits/stdc++.h>
#ifdef NON_SUBMIT
#define TEST(n) (n)
#define tout cerr
#else
#define TEST(n) ((void)0)
#define tout cin
#endif
using namespace std;
vector<pair<int,int>> adj[200000];
int M, D[1000001], P[1000001], W[200000], dist[200000], parent[200000];
void reset(int c)
{
  W[c]=0;
  for(auto[n,w]: adj[c]) if(W[n]>0) reset(n);
}
int dfs(int c)
{
  W[c]=1; dist[c]=0x7fffffff;
  for(auto[n,w]: adj[c]) if(W[n]==0) W[c]+=dfs(n);
  return W[c];
}
int centroid(int c, int v)
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

race.cpp: In function 'void reset(int)':
race.cpp:20:14: warning: unused variable 'w' [-Wunused-variable]
  for(auto[n,w]: adj[c]) if(W[n]>0) reset(n);
              ^
race.cpp: In function 'int dfs(int)':
race.cpp:26:14: warning: unused variable 'w' [-Wunused-variable]
  for(auto[n,w]: adj[c]) if(W[n]==0) W[c]+=dfs(n);
              ^
race.cpp: In function 'int centroid(int, int)':
race.cpp:32:14: warning: unused variable 'w' [-Wunused-variable]
  for(auto[n,w]: adj[c]) if(W[n]<W[c] && 2*W[n]>v) return centroid(n,v);
              ^
race.cpp: In function 'int solve(int)':
race.cpp:68:16: warning: unused variable 'w' [-Wunused-variable]
    for(auto[n,w]: adj[c]) if(dist[n]<0x7fffffff && parent[n]==c) Q.emplace(v+1,n);
                ^
race.cpp:72:14: warning: unused variable 'w' [-Wunused-variable]
  for(auto[n,w]: adj[C]) if(W[n]>0) ret=min(ret,solve(n));
              ^

• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57