oj.uz

답안 #131544

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
131544 2019-07-17T09:18:52 Z Mahdi_Jfri 친구 (IOI14_friend) C++14
50 / 100
 4 ms 504 KB 
#include "friend.h"
#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back

const int maxn = 1e3 + 20;

vector<int> adj[maxn] , adj2[maxn];

int dp[maxn][2] , a[maxn];
bool is[maxn];

int findSample(int n,int A[],int host[],int pt[])
{
	bool has[3] = {0 , 0 , 0};
	for(int i = 1; i < n; i++)
	{
		has[pt[i]] = 1;
		adj[host[i]].pb(i);
		is[i] = (pt[i] == 0);
	}

	for(int i = 0; i < n; i++)
		dp[i][1] = a[i] = A[i];

	for(int u = n - 1; u > 0; u--)
	{
		int v = host[u];
		int tmp[2] = {0 , 0};
		for(int x = 0; x < 2; x++)
			for(int y = 0; y < 2; y++)
			{
				if(x && y && is[u])
					continue;

				if(!is[u])
					tmp[x | y] = max(tmp[x | y] , dp[v][x] + dp[u][y]);
				else
					tmp[x] = max(tmp[x] , dp[v][x] + dp[u][y]);
			}

		dp[v][0] = tmp[0] , dp[v][1] = tmp[1];
	}

	return max(dp[0][1] , dp[0][0]);
}

Compilation message

friend.cpp: In function 'int findSample(int, int*, int*, int*)':
friend.cpp:18:7: warning: variable 'has' set but not used [-Wunused-but-set-variable]
  bool has[3] = {0 , 0 , 0};
       ^~~

Subtask #1
0 / 11.0

# 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 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 Incorrect 2 ms 376 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #2
8.0 / 8.0

# 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 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 504 KB Output is correct

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 376 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 504 KB Output is correct
6 Correct 2 ms 436 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 504 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 504 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 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 504 KB Output is correct

Subtask #5
23.0 / 23.0

# 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 Correct 2 ms 380 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 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 504 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 504 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 3 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct

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 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 4 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Incorrect 2 ms 376 KB Output isn't correct
12 Halted 0 ms 0 KB -