Submission #154112

#	Time	Username	Problem	Language	Result	Execution time	Memory
154112		popovicirobert	Friend (IOI14_friend)	C++14	100 / 100	39 ms	3576 KiB

friend

#include "friend.h"
#include <bits/stdc++.h>

using namespace std;

int findSample(int n,int confidence[],int host[],int protocol[]){
    vector <int> p(n), q(n);
    for(int i = 0; i < n; i++) {
        p[i] = confidence[i];
    }
    for(int i = n - 1; i > 0; i--) {
        int id = host[i], t = protocol[i];
        int P = p[id], Q = q[id];
        if(t == 0) {
            p[id] = q[i] + P;
            q[id] = max(Q + q[i], p[i] + Q);
        }
        if(t == 1) {
            p[id] = max(P + q[i], p[i] + max(P, Q));
            q[id] = Q + q[i];
        }
        if(t == 2) {
            p[id] = max(P + q[i], Q + p[i]);
            q[id] = Q + q[i];
        }
    }
    return max(p[0], q[0]);
}

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