Submission #702751

#	Time	Username	Problem	Language	Result	Execution time	Memory
702751		lukameladze	Friend (IOI14_friend)	C++14	100 / 100	23 ms	2592 KiB

friend

# include "friend.h"
# include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
//#define int long long
#define pii pair <int, int>
#define pb push_back
const int N = 3e5 + 5;
int t,n,a[N];
int findSample(int n, int confidence[], int host[], int protocol[]){
    int ans = 0;
    for (int i = n - 1; i >= 0; i--) {
        if (protocol[i] == 0) {
            ans += confidence[i];
            confidence[host[i]] = max(0, confidence[host[i]] - confidence[i]);
        } else if (protocol[i] == 1) {
            confidence[host[i]] += confidence[i];
        } else {
            confidence[host[i]] = max(confidence[host[i]], confidence[i]);
        }
    }
    ans += confidence[0];
    return ans;
}

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