Submission #383104

#	Time	Username	Problem	Language	Result	Execution time	Memory
383104		ScarletS	Game (IOI14_game)	C++17	Compilation error	0 ms	0 KiB

game

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

const int N = 1500;
int pt[N], sz[N], e[N][N];

int find(int x)
{
    if (x==pt[x])
        return x;
    return pt[x] = find(pt[x]);
}

void unite(int a, int b)
{
    int x = find(a);
    int y = find(b);
    if (sz[y]>sz[x])
        swap(x,y);
    pt[y]=x;
    sz[x]+=sz[y];
    for (int i=0;i<n;++i)
    {
        e[x][i]+=e[y][i];
        e[i][x]=e[x][i];
    }
}

int hasEdge(int u, int v)
{
    if (find(u) == find(v))
        return 1;
    if (e[find(u)][find(v)]==1)
    {
        unite(u,v);
        return 1;
    }
    return 0;
}

void initialize(int n)
{
    for (int i=0;i<n;++i)
    {
        pt[i]=i;
        sz[i]=1;
    }
    for (int i=0;i<n;++i)
        for (int j=0;j<n;++j)
            e[i][j]=1;
}

Compilation message (stderr)

game.cpp: In function 'void unite(int, int)':
game.cpp:22:20: error: 'n' was not declared in this scope
   22 |     for (int i=0;i<n;++i)
      |                    ^