oj.uz

답안 #878497

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
878497 2023-11-24T14:21:34 Z Sandro123 봉쇄 시간 (IOI23_closing) C++17
0 / 100
 117 ms 25940 KB 
#include <bits/stdc++.h>
using namespace std;
struct Arc{int v,d;};
vector <Arc> gr[200005];
int fix[200005],dist[40000001];
int d,nd;
void dfs(int u){
 fix[u]=1;
 for (int i=0;i<(int)gr[u].size();i++){
  int v=gr[u][i].v;
  if (!fix[v]) {nd++; d+=gr[u][i].d; dist[nd]=d; dfs(v); d-=gr[u][i].d;  }
 }
}
int max_score(int N, int X, int Y, long long K,
              std::vector<int> U, std::vector<int> V, std::vector<int> W) {
    Arc tmp;
    
    for (int i=0;i<N;i++) {gr[i].clear(); fix[i]=0;}
    //for (int i=0;i<=2*N;i++) dist[i]=0;
    
    for (int i=0;i<N-1;i++){     
     tmp.v=V[i]; tmp.d=W[i]; gr[U[i]].push_back(tmp);
	 tmp.v=U[i]; gr[V[i]].push_back(tmp);
	}  
	
	d=0; nd=0; dist[0]=0; dfs(X);
	for (int i=0;i<N;i++) fix[i]=0;        	
	d=0; nd++; dist[nd]=0;dfs(Y);
sort(dist,dist+nd+1);
	int ans=0; long long sum=0;
	for (int i=0;i<2*N;i++)
	 if (sum+dist[i]>K) break;
	 else {sum+=dist[i]; ans++;	 }
              	
    return ans;
}

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 6236 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #1
0.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 117 ms 25940 KB 1st lines differ - on the 1st token, expected: '451', found: '400000'
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 6236 KB Output is correct
2 Incorrect 2 ms 6176 KB 1st lines differ - on the 1st token, expected: '30', found: '24'
3 Halted 0 ms 0 KB -

Subtask #3
0.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 6236 KB Output is correct
2 Incorrect 2 ms 6176 KB 1st lines differ - on the 1st token, expected: '30', found: '24'
3 Halted 0 ms 0 KB -

Subtask #4
0.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 6236 KB Output is correct
2 Incorrect 2 ms 6176 KB 1st lines differ - on the 1st token, expected: '30', found: '24'
3 Halted 0 ms 0 KB -

Subtask #5
0.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 6236 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #6
0.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 6236 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #7
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 6236 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #8
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 6236 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -

Subtask #9
0.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 6236 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
2 Halted 0 ms 0 KB -