Submission #970359

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
970359	2024-04-26 12:12:33	Itamar	Toy Train (IOI17_train)	C++14	100 / 100	1809 ms	2000 KiB

train

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#include "train.h"
#include <vector>
using namespace std;
#define ll long long
#include <vector>
#define vi vector<int>
#define pi pair<int,int>
#include <algorithm>
#define x first
#define y second
#define vll vector<ll>
#define pll pair<ll,ll>
#define vb vector<bool>
int n, m;
const int siz = 5e3 + 1;
vi fr[siz];
vi invf[siz];
#include <queue>
void func(vi& bad, vi& A) {
  vector<bool> vis(n);
  queue<int> q;
  for (int i = 0; i < n; i++)if (bad[i])q.push(i);
  vi deg(n); for (int i = 0; i < n; i++)deg[i] = fr[i].size();
  while (!q.empty()) {
    int i = q.front();
    q.pop();
    if (vis[i])continue;
    vis[i] = 1;
    bad[i] = 1;
    for (int f : invf[i]) {
 
 
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Compilation message (stderr)

train.cpp: In function 'void func(std::vector<int>&, std::vector<int>&)':
train.cpp:33:16: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     if (deg[f] == fr[f].size() - 1)q.push(f);

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 11 / 11
• Subtask 4: 11 / 11
• Subtask 5: 12 / 12
• Subtask 6: 51 / 51