답안 #1068303

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1068303	2024-08-21T09:10:24 Z	edogawa_something	장난감 기차 (IOI17_train)	C++17	11 / 100	1345 ms	2084 KB

train

#include "train.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pii;
typedef vector<ll> vii;
#define F first
#define S second
#define all(v) v.begin(),v.end()
#define pb push_back
vii adj[5001],radj[5001];
vector<int>a,r;
bool vis[5001],viss[5001];
void dfs(ll x) {
  if(vis[x])
    return;
  vis[x]=1;
  for(auto it:adj[x])
    dfs(it);
}
void rdfs(ll x) {
  if(viss[x])
    return;
  viss[x]=1;
  for(auto it:radj[x])
    rdfs(it);
}
bool chk[5001];
vector<int>ans;
vector<int> who_wins(std::vector<int> A, std::vector<int> R, std::vector<int> u, std::vector<int> v) {
  a=A,r=R;
  ans.resize(a.size());
  for(int i=0;i<u.size();i++)
    adj[u[i]].pb(v[i]),radj[v[i]].pb(u[i]);
  for(int i=0;i<a.size();i++) {
    for(int j=0;j<a.size();j++)
      vis[j]=viss[j]=0;
    if(r[i]) {
      for(auto it:adj[i]) {
        if(it==i)
          chk[i]=1;
      }
      dfs(i),rdfs(i);
      for(int j=0;j<a.size();j++) {
        if(j==i)
          continue;
        if(vis[j]&&viss[j])
          chk[i]=1;
      }
      if(chk[i]) {
        for(int j=0;j<a.size();j++)
          ans[j]|=(viss[j]);
      }
    }
  }
  return ans;
}

Compilation message

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:33:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |   for(int i=0;i<u.size();i++)
      |               ~^~~~~~~~~
train.cpp:35:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |   for(int i=0;i<a.size();i++) {
      |               ~^~~~~~~~~
train.cpp:36:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |     for(int j=0;j<a.size();j++)
      |                 ~^~~~~~~~~
train.cpp:44:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |       for(int j=0;j<a.size();j++) {
      |                   ~^~~~~~~~~
train.cpp:51:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |         for(int j=0;j<a.size();j++)
      |                     ~^~~~~~~~~

Subtask #1
0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	203 ms	1412 KB	3rd lines differ - on the 1st token, expected: '0', found: '1'
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	1 ms	604 KB	3rd lines differ - on the 8th token, expected: '0', found: '1'
2	Halted	0 ms	0 KB	-

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	49 ms	2084 KB	Output is correct
2	Correct	100 ms	1884 KB	Output is correct
3	Correct	143 ms	2020 KB	Output is correct
4	Correct	462 ms	2040 KB	Output is correct
5	Correct	83 ms	1988 KB	Output is correct
6	Correct	67 ms	1852 KB	Output is correct
7	Correct	484 ms	1936 KB	Output is correct
8	Correct	6 ms	1884 KB	Output is correct
9	Correct	6 ms	1816 KB	Output is correct
10	Correct	9 ms	1880 KB	Output is correct
11	Correct	6 ms	1744 KB	Output is correct
12	Correct	6 ms	1624 KB	Output is correct
13	Correct	6 ms	1848 KB	Output is correct
14	Correct	7 ms	1884 KB	Output is correct
15	Correct	6 ms	1880 KB	Output is correct
16	Correct	7 ms	1880 KB	Output is correct
17	Correct	6 ms	1944 KB	Output is correct
18	Correct	258 ms	1484 KB	Output is correct