Submission #389338

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
389338	2021-04-14 03:12:34	casperwang	Easter Eggs (info1cup17_eastereggs)	C++14	100 / 100	39 ms	456 KiB

eastereggs

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#include <bits/stdc++.h>
#include "grader.h"
#define pii pair<int,int>
#define ff first
#define ss second
#define All(x) x.begin(), x.end()
#define pb push_back
using namespace std;
#define debug(args...) kout("[ " + string(#args) + " ]", args)
void kout() { cerr << endl; }
template <class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ',kout(b...); }
template <class T> void pary(T L, T R) { while (L != R) cerr << *L << " \n"[++L==R]; }
const int MAXN = 512;
int N;
vector <int> path[MAXN+1];
vector <int> qry;
set <int> can;
int qry_sze;
void init(int n, vector <pii> bridges) {
  N = n;
  can.clear();
  for (int i = 1; i <= N; i++) {
    path[i].clear();
    can.insert(i);
  }
  for (auto [a, b] : bridges) {
    path[a].pb(b);
    path[b].pb(a);
 
 
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Compilation message (stderr)

eastereggs.cpp: In function 'void init(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:28:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   28 |  for (auto [a, b] : bridges) {
      |            ^
eastereggs.cpp: In function 'void dfs_get(int, int)':
eastereggs.cpp:35:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::set<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |  if (qry_sze * 2 >= can.size()) return;
      |      ~~~~~~~~~~~~^~~~~~~~~~~~~

• Subtask 1: 40 / 40
• Subtask 2: 40 / 40
• Subtask 3: 20 / 20