oj.uz

답안 #1088248

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1088248 2024-09-14T07:15:12 Z Rolo678 Aesthetic (NOI20_aesthetic) C++14
7 / 100
 2000 ms 1048576 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
vector<vector<pair<long long,pair<int,int>>>>g(3e5+5);
vector<long long>dp2(3e5+5,1e9+5);
 vector<long long>dp(3e5+5,0);
void dfs(int v=1,int p=-1,int w=0)
{
  if(p==-1)dp[v] = 0;
  else dp[v] = dp[p] + w;
  for(auto u : g[v])
  {
    if(p != u.second.first)
    {
      dp2[u.second.first]= min(dp2[v],u.second.second);
      dfs(u.second.first,v,u.first);

    }
  }
}

signed main()
{
  int n,m;
  cin >> n>>m;
 // cin >> n >> m;
  vector<long long>mx(m+2);
  for(int i = 1;i<=m;i++)
  {
    int a,b,w;
    cin >> a >> b >> w;
    //cout << 'o';
    g[a].push_back({w,{b,i}});
    g[b].push_back({w,{a,i}});
    mx[i] = w;
//cout << 'o';
  }

  for(int i = n-1;i> 0;i--)
  {
    mx[i] = max(mx[i+1],mx[i]);
  }

  dfs();

  long long ans = dp[n] + mx[dp2[n]+1];
  cout << ans;
}

Subtask #1
0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 582 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 582 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 285 ms 41552 KB Output is correct
2 Correct 297 ms 41812 KB Output is correct
3 Correct 298 ms 41288 KB Output is correct
4 Correct 296 ms 41300 KB Output is correct
5 Correct 289 ms 41548 KB Output is correct
6 Correct 301 ms 42292 KB Output is correct
7 Correct 297 ms 42068 KB Output is correct
8 Correct 307 ms 42308 KB Output is correct

Subtask #4
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 2041 ms 43640 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 897 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 897 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #7
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 582 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -