| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 99285 |
2019-03-02T06:36:14 Z |
dndhk |
Friend (IOI14_friend) |
C++14 |
|
58 ms |
7700 KB |
#include "friend.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;
const int MAX_N = 100000;
vector<pii> gp[MAX_N+1];
int N;
int c[MAX_N+1];
pii p[MAX_N+1];
int dp[MAX_N+1][2];
void dfs(int x){
dp[x][1] = c[x];
for(int j = gp[x].size()-1; j>=0; j--){
pii i = gp[x][j];
dfs(i.first);
if(i.second==2){
dp[x][1] = max(dp[x][1], dp[x][0] + max(dp[i.first][1], dp[i.first][0]));
dp[x][0] += dp[i.first][0];
}else if(i.second==1){
dp[x][1] += max(dp[i.first][1], dp[i.first][0]);
dp[x][1] = max(dp[x][1], dp[x][0] + max(dp[i.first][1], dp[i.first][0]));
dp[x][0] += dp[i.first][0];
}else{
dp[x][0] += max(dp[i.first][1], dp[i.first][0]);
dp[x][1] += dp[i.first][0];
}
}
}
int findSample(int n, int confidence[], int host[], int protocol[]){
N = n;
for(int i=0; i<N; i++){
c[i] = confidence[i];
if(i!=0) {
p[i] = {host[i], protocol[i]};
gp[host[i]].push_back({i, protocol[i]});
}
}
dfs(0);
return max(dp[0][0], dp[0][1]);
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 2 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 3 |
Correct |
14 ms |
2688 KB |
Output is correct |
| 4 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 5 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 6 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 7 |
Correct |
4 ms |
2684 KB |
Output is correct |
| 8 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 9 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 10 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 11 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 12 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 13 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 14 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 15 |
Incorrect |
7 ms |
2688 KB |
Output isn't correct |
| 16 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 2 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 3 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 4 |
Correct |
6 ms |
2780 KB |
Output is correct |
| 5 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 6 |
Correct |
5 ms |
2660 KB |
Output is correct |
| 7 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 8 |
Correct |
4 ms |
2816 KB |
Output is correct |
| 9 |
Correct |
6 ms |
2816 KB |
Output is correct |
| 10 |
Correct |
6 ms |
2688 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 2 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 3 |
Correct |
8 ms |
2688 KB |
Output is correct |
| 4 |
Correct |
5 ms |
2816 KB |
Output is correct |
| 5 |
Correct |
6 ms |
2688 KB |
Output is correct |
| 6 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 7 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 8 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 9 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 10 |
Correct |
7 ms |
2688 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 2 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 3 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 4 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 5 |
Correct |
7 ms |
2816 KB |
Output is correct |
| 6 |
Correct |
7 ms |
2816 KB |
Output is correct |
| 7 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 8 |
Correct |
5 ms |
2816 KB |
Output is correct |
| 9 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 10 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 11 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 12 |
Correct |
5 ms |
2816 KB |
Output is correct |
| 13 |
Correct |
6 ms |
2732 KB |
Output is correct |
| 14 |
Correct |
6 ms |
2688 KB |
Output is correct |
| 15 |
Correct |
5 ms |
2816 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 2 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 3 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 4 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 5 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 6 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 7 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 8 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 9 |
Correct |
5 ms |
2816 KB |
Output is correct |
| 10 |
Correct |
6 ms |
2816 KB |
Output is correct |
| 11 |
Correct |
5 ms |
2716 KB |
Output is correct |
| 12 |
Correct |
6 ms |
2688 KB |
Output is correct |
| 13 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 14 |
Correct |
5 ms |
2816 KB |
Output is correct |
| 15 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 16 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 17 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 18 |
Correct |
5 ms |
2684 KB |
Output is correct |
| 19 |
Correct |
3 ms |
2688 KB |
Output is correct |
| 20 |
Correct |
7 ms |
2688 KB |
Output is correct |
| 21 |
Correct |
5 ms |
2688 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 2 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 3 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 4 |
Correct |
4 ms |
2816 KB |
Output is correct |
| 5 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 6 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 7 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 8 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 9 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 10 |
Correct |
5 ms |
2688 KB |
Output is correct |
| 11 |
Correct |
4 ms |
2688 KB |
Output is correct |
| 12 |
Incorrect |
58 ms |
7700 KB |
Output isn't correct |
| 13 |
Halted |
0 ms |
0 KB |
- |
