Submission #1149177

#	Time	Username	Problem	Language	Result	Execution time	Memory
1149177		BlockOG	친구 (IOI14_friend)	C++20	0 / 100	1 ms	584 KiB

friend

#include "friend.h"
#include <vector>

// meow meow meow mewo mrrow nya nya :3c
// go play vivid/stasis! it's very awesome gmae on steam

using namespace std;

vector<int> friends[10000];

int dfs(int i, int l, bool d, int confidence[]) {
    int res = confidence[i] * d;

    for (int j : friends[i]) {
        if (j == l) continue;
        res += dfs(j, i, !d, confidence);
    }

    return res;
}

int findSample(int n, int confidence[], int host[], int protocol[]) {
    for (int i = 1; i < n; i++) friends[host[i]].push_back(i), friends[i].push_back(host[i]);

    int res1 = dfs(0, -1, false, confidence);
    int res2 = dfs(0, -1, true, confidence);
    return res1 > res2 ? res1 : res2;
}

• Subtask 1: 0 / 11
• Subtask 2: 0 / 8
• Subtask 3: 0 / 8
• Subtask 4: 0 / 19
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31