Submission #1073703

#	Time	Username	Problem	Language	Result	Execution time	Memory
1073703		Dan4Life	Friend (IOI14_friend)	C++17	100 / 100	17 ms	2756 KiB

friend

#include "friend.h"
#include <bits/stdc++.h>
using namespace std;
int findSample(int n, int c[], int h[], int p[]){
    int ans = 0, i; // Mind-blown!
    for(int i = n; i>0; i--){
        if(p[i]==2) c[h[i]]=max(c[h[i]],c[i]);
        else if(p[i]==1) c[h[i]]+=c[i];
        else ans+=c[i], c[h[i]]=max(0, c[h[i]]-c[i]);
    }
    return c[0]+ans;
}

Compilation message (stderr)

friend.cpp: In function 'int findSample(int, int*, int*, int*)':
friend.cpp:5:18: warning: unused variable 'i' [-Wunused-variable]
    5 |     int ans = 0, i; // Mind-blown!
      |                  ^

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