Submission #792052

#	Time	Username	Problem	Language	Result	Execution time	Memory
792052		caganyanmaz	Friend (IOI14_friend)	C++17	11 / 100	22 ms	2656 KiB

friend

#include <bits/stdc++.h>
#define pb push_back
#include "friend.h"
using namespace std;

int n;
int *conf;
int *h;
int *p;

constexpr static int IAM = 0;
constexpr static int MYF = 1;
constexpr static int WER = 2;

constexpr static int MX1 = 10;
int c[MX1][MX1];

int subtask1()
{
        for (int i = 1; i < n; i++)
        {
                if (p[i] == IAM || p[i] == WER)
                        c[h[i]][i] = c[i][h[i]] = 1;
                if (p[i] == MYF || p[i] == WER)
                        for (int j = 0; j < i; j++)
                                if (c[j][h[i]])
                                        c[j][i] = c[i][j] = 1;
        }
        int res = 0;
        for (int i = 0; i < (1<<n); i++)
        {
                vector<int> v;
                for (int j = 0; j < n; j++)
                        if (i & (1<<j))
                                v.pb(j);
                bool found = false;
                for (int j = 0; j < v.size(); j++)
                        for (int k = j+1; k < v.size(); k++)
                                if (c[v[j]][v[k]])
                                        found = true;
                if (found)
                        continue;
                int sum = 0;
                for (int i : v)
                        sum += conf[i];
                res = max(res, sum);
        }
        return res;
}

// Find out best sample
int findSample(int _n,int _conf[],int _h[],int _p[])
{
        n = _n;
        conf = _conf;
        h = _h;
        p = _p;
        if (n <= 10)
                return subtask1();
        return 0;
}

Compilation message (stderr)

friend.cpp: In function 'int subtask1()':
friend.cpp:37:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |                 for (int j = 0; j < v.size(); j++)
      |                                 ~~^~~~~~~~~~
friend.cpp:38:45: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 |                         for (int k = j+1; k < v.size(); k++)
      |                                           ~~^~~~~~~~~~

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