Submission #143510

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
143510	2019-08-14 12:24:56	kig9981	버스 (JOI14_bus)	C++17	100 / 100	514 ms	35832 KiB

bus

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#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<tuple<int,int,int>> adj[100000];
vector<int> D[100000], x[100000];
int solve(int c, int t)
{
  if(c==0) return x[c][t];
  if(D[c][t]!=0x7fffffff) return D[c][t];
  if(t) D[c][t]=solve(c,t-1);
  else D[c][t]=-1;
  for(int i=lower_bound(adj[c].begin(),adj[c].end(),make_tuple(x[c][t],-1,-1))-adj[c].begin();i<adj[c].size() && get<0>(adj[c][i])==x[c][t];i++) {
    int tmp, n, v;
    tie(tmp,n,v)=adj[c][i];
    v=lower_bound(x[n].begin(),x[n].end(),v)-x[n].begin();
    D[c][t]=max(D[c][t],solve(n,v));
  }
  return D[c][t];
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

bus.cpp: In function 'int solve(int, int)':
bus.cpp:22:95: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=lower_bound(adj[c].begin(),adj[c].end(),make_tuple(x[c][t],-1,-1))-adj[c].begin();i<adj[c].size() && get<0>(adj[c][i])==x[c][t];i++) {
                                                                                              ~^~~~~~~~~~~~~~
bus.cpp: In function 'int main()':
bus.cpp:52:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<x[N-1].size();i++) solve(N-1,i);
              ~^~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 15 / 15
• Subtask 3: 15 / 15
• Subtask 4: 50 / 50