Submission #169950

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
169950	2019-12-23 11:03:46	moonrabbit2	Railway (BOI17_railway)	C++17	100 / 100	322 ms	24048 KiB

railway

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#include <bits/stdc++.h>
#define fi first
#define se second
using namespace std;
typedef long long ll;
typedef double db;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<db,db> pdb;
typedef tuple<int,int,int> tii;
typedef tuple<ll,ll,ll> tll;
typedef vector<vector<ll>> mat;
const ll mod=1e9+7;
const int N=1e5+5;
int n,q,k;
int in[N],out[N],rev[N],cur,h[N],p[18][N],ep[N],s[N];
int tree[4*N];
vector<pii> g[N];
vector<int> ans;
void upd(int nd,int l,int r,int x,int v){
  if(l==r){
    tree[nd]=v;
    return;
  }
  int m=(l+r)>>1;
  if(x<=m) upd(nd<<1,l,m,x,v);
  else upd(nd<<1|1,m+1,r,x,v);
  tree[nd]=min(tree[nd<<1],tree[nd<<1|1]);
}
int qry(int nd,int l,int r,int s,int e){
 
 
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Compilation message (stderr)

railway.cpp: In function 'int main()':
railway.cpp:94:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j=1;j<vec.size();j++){
               ~^~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 15 / 15
• Subtask 3: 7 / 7
• Subtask 4: 29 / 29
• Subtask 5: 16 / 16
• Subtask 6: 25 / 25