Submission #535847

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
535847	2022-03-11 14:19:22	new_acc	Toll (BOI17_toll)	C++14	100 / 100	264 ms	19268 KiB

toll

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#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vl;
const int N=1e5+10;
vi zap[N],war[N];
int z[N];
vector<pair<int,int> >graf[2][N];
int odl[2][N],n,m,ans[N];
void bfs(int p,bool xd,int w,int kon){
  vector<int> curr;
  curr.push_back(p);
  odl[xd][p]=0;
  while(curr.size() and w!=kon){
    vi nxt;
    for(auto v:curr){
      for(auto [u,c]:graf[xd][v]){
        if(odl[xd][u]==-1) odl[xd][u]=odl[xd][v]+c,nxt.push_back(u);
        else odl[xd][u]=min(odl[xd][u],odl[xd][v]+c);
      }
    } 
    if(xd) w--;
    else w++;
    curr=nxt;
  }
}
void dc(int p=0,int k=n/m){
 
 
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Compilation message (stderr)

toll.cpp: In function 'void bfs(int, bool, int, int)':
toll.cpp:20:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   20 |    for(auto [u,c]:graf[xd][v]){
      |             ^

• Subtask 1: 7 / 7
• Subtask 2: 10 / 10
• Subtask 3: 8 / 8
• Subtask 4: 31 / 31
• Subtask 5: 44 / 44