Submission #377916

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
377916	2021-03-15 14:31:17	Thistle	Stations (IOI20_stations)	C++14	100 / 100	1051 ms	1304 KiB

stations

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#include "stations.h"
#include <vector>
#include<iostream>
#include<algorithm>
using namespace std;
using ll=long long;
using H=pair<ll, ll>;
using vi=vector<ll>;
#define rng(i,a,b) for(int (i)=(a);(i)<(b);(i)++)
#define rep(i,n) rng((i),(0),(n))
#define pb push_back
#define vec vector
#define all(a) (a).begin(),(a).end()
#define fs first
#define sc second
#define siz(a) ll((a).size())
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
  vec<vi>e(n);
  rep(i,n-1){
    e[u[i]].pb(v[i]);
    e[v[i]].pb(u[i]);
  }
  vi in(n),out(n),dpt(n,0);
  int idx=0;
  auto dfs=[&](int x,int p,int d,auto& dfs)->void{
    in[x]=idx++;
    dpt[x]=d;
 
 
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Compilation message (stderr)

stations.cpp: In function 'std::vector<int> label(int, int, std::vector<int>, std::vector<int>)':
stations.cpp:9:28: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    9 | #define rng(i,a,b) for(int (i)=(a);(i)<(b);(i)++)
      |                            ^
stations.cpp:10:18: note: in expansion of macro 'rng'
   10 | #define rep(i,n) rng((i),(0),(n))
      |                  ^~~
stations.cpp:22:2: note: in expansion of macro 'rep'
   22 |  rep(i,n-1){
      |  ^~~
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:9:28: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    9 | #define rng(i,a,b) for(int (i)=(a);(i)<(b);(i)++)
      |                            ^
stations.cpp:10:18: note: in expansion of macro 'rng'
   10 | #define rep(i,n) rng((i),(0),(n))
      |                  ^~~
stations.cpp:71:3: note: in expansion of macro 'rep'
   71 |   rep(i,siz(c)){
      |   ^~~
stations.cpp:9:28: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    9 | #define rng(i,a,b) for(int (i)=(a);(i)<(b);(i)++)
      |                            ^
stations.cpp:10:18: note: in expansion of macro 'rng'
   10 | #define rep(i,n) rng((i),(0),(n))
      |                  ^~~
stations.cpp:81:3: note: in expansion of macro 'rep'
   81 |   rep(i,siz(c)){
      |   ^~~
stations.cpp:9:28: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    9 | #define rng(i,a,b) for(int (i)=(a);(i)<(b);(i)++)
      |                            ^
stations.cpp:10:18: note: in expansion of macro 'rng'
   10 | #define rep(i,n) rng((i),(0),(n))
      |                  ^~~
stations.cpp:87:2: note: in expansion of macro 'rep'
   87 |  rep(i,siz(c)){
      |  ^~~

• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61