Submission #1274857

#	Time	Username	Problem	Language	Result	Execution time	Memory
1274857		zagaro	Game (IOI14_game)	C++20	0 / 100	1 ms	344 KiB

game

#include<bits/stdc++.h>
//#include "game.h"
#include<ext/pb_ds/assoc_container.hpp>
/**zagaro & lauren <3**/
#define mod 1000000007 //1e9 + 7
#define pi acos(-1)
#define wl while
#define str string
#define ENDL "\n"
#define sal ' '
#define tp_set ll
#define prc(n) cout.precision(n);cout<<fixed;
#define ord_set tree<tp_set, null_type, less<tp_set>, rb_tree_tag, tree_order_statistics_node_update>
typedef long long ll;
typedef bool bl;
typedef char car;
using namespace std;
using namespace __gnu_pbds;
ll n;
vector<ll> parent;
vector<ll> tam;
vector<bl> vis;
vector<vector<ll> > vec;
ll fnd(ll a){
    if(parent[a] == a)return a;
    else return parent[a] = fnd(parent[a]);
}
void uni(ll a, ll b){
    a = fnd(a);b = fnd(b);
    if(tam[a] >= tam[b]){
        tam[a]+=tam[b];
        vis[b]=false;
        for(int i=0;i<n;i++){
            if(vis[i]){
                vec[a][i] += vec[b][i];
                vec[i][a] += vec[b][i];
            }
        }
    }
    else {
        tam[b]+=tam[a];
        vis[a]=false;
        for(int i=0;i<n;i++){
            if(vis[i]){
                vec[b][i] += vec[a][i];
                vec[i][b] += vec[a][i];
            }
        }
    }
    return ;
}
void initialize(int a) {
    n = a;
    vec.assign(n, vector<ll> (n, 1));
    vis.assign(n, true);
    parent.assign(n, 0);
    tam.assign(n, 1);
    for(int i=0;i<n;i++)parent[i]=i;
    return ;
}
int hasEdge(int u, int v) {
    u = fnd(u);v = fnd(v);
    vec[u][v]--;
    vec[v][u]--;
    if(vec[u][v] == 0){
        uni(u, v);
        return 1;
    }
    else return 0;
}

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