Submission #791870

#	Time	Username	Problem	Language	Result	Execution time	Memory
791870		caganyanmaz	Game (IOI14_game)	C++14	42 / 100	1085 ms	12820 KiB

game

#include <bits/stdc++.h>
#include "game.h"
using namespace std;

constexpr static int MXSIZE = 1500;
int ans[MXSIZE][MXSIZE];
set<int> g[MXSIZE];
int nc[MXSIZE];
bitset<MXSIZE> visited;

int n;

void initialize(int nn)
{
        n = nn;
        for (int i = 0; i < n; i++)
                for (int j = 0; j < n; j++)
                        if (i != j)
                                g[i].insert(j);
}

void dfs(int i)
{
        visited[i] = 1;
        for (int c : g[i])
                if (!visited[c])
                        dfs(c);

}

int hasEdge(int u, int v)
{
        g[u].erase(v);
        g[v].erase(u);
        visited.reset();
        dfs(0);
        if (visited.count() == n)
                return 0;
        g[u].insert(v);
        g[v].insert(u);
        return 1;

}

Compilation message (stderr)

game.cpp: In function 'int hasEdge(int, int)':
game.cpp:37:29: warning: comparison of integer expressions of different signedness: 'std::size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   37 |         if (visited.count() == n)
      |             ~~~~~~~~~~~~~~~~^~~~

• Subtask 1: 15 / 15
• Subtask 2: 27 / 27
• Subtask 3: 0 / 58