Submission #739711

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
739711	2023-05-11 05:40:30	chenyan	Swapping Cities (APIO20_swap)	C++17	0 / 100	405 ms	57100 KiB

swap

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#include<bits/stdc++.h>
using namespace std;
//#define int long long
#define ld long double
#define pii pair<int,int>
#define pdd pair<ld,ld>
#define ff first
#define ss second
#define pb push_back
#define eb emplace_back
#define sz(x) ((int)x.size())
#define all(x) x.begin(),x.end()
#define fastio ios::sync_with_stdio(0),cin.tie(0);
#define nl '\n'
#define mN 200010
int dep[mN],n,m,fa[31][mN],dp[31][mN],st[31][mN];
vector<pii>g[mN];
bitset<mN>vis;
void dfs(int v){
  vis[v]=1;
  pii a,b;
  a.ff=b.ff=-1;
  a.ss=b.ss=2e9;
  for(auto[u,w]:g[v]){
    if(vis[u])continue;
    if(a.ff==-1||a.ss>w){
      b=a;
      a.ff=u;
      a.ss=w;
    }
 
 
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Compilation message (stderr)

swap.cpp: In function 'int getMinimumFuelCapacity(int, int)':
swap.cpp:68:31: warning: unused variable 'j' [-Wunused-variable]
   68 |  int d=dep[u]-dep[v],mi=2e9,i,j,ans=0;
      |                               ^

• Subtask 1: 0 / 6
• Subtask 2: 0 / 7
• Subtask 3: 0 / 17
• Subtask 4: 0 / 20
• Subtask 5: 0 / 23
• Subtask 6: 0 / 27