oj.uz

답안 #162051

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
162051 2019-11-06T07:21:47 Z oolimry 친구 (IOI14_friend) C++14
19 / 100
 8 ms 380 KB 
#include "friend.h"
#include <bits/stdc++.h>

using namespace std;

int findSample(int n, int confidence[], int host[], int protocol[]) {
    long long s = 0;
    vector<int> child[n];
    for(int i = 1;i < n;i++){
		child[host[i]].push_back(i);
	}
	typedef pair<int,int> ii;
	ii dp[n];
	fill(dp,dp+n,ii(0,0));
	for(int u = n-1;u >= 0;u--){
		dp[u] = ii(confidence[u],0);
		for(int v : child[u]){
			dp[u].first += dp[v].second;
			dp[u].second += dp[v].first;
		}
		dp[u].first = max(dp[u].second,dp[u].first);
	}
	return dp[0].first;
}

Compilation message

friend.cpp: In function 'int findSample(int, int*, int*, int*)':
friend.cpp:7:15: warning: unused variable 's' [-Wunused-variable]
     long long s = 0;
               ^

Subtask #1
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Incorrect 2 ms 376 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 8 ms 376 KB Output is correct
8 Correct 3 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 380 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 3 ms 380 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct

Subtask #5
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 2 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 31.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Incorrect 2 ms 376 KB Output isn't correct
4 Halted 0 ms 0 KB -