oj.uz

Submission #380117

# Submission time Handle Problem Language Result Execution time Memory
380117 2021-03-20T10:31:02 Z Theo830 Game (IOI14_game) C++17
0 / 100
 1 ms 364 KB 
#include "game.h"
#include <bits/stdc++.h>
using namespace std;
typedef int ll;
typedef pair<ll,ll> ii;
#define iii pair<ll,ii>
#define f(i,a,b) for(int i = a;i < b;i++)
#define pb push_back
#define vll vector<ll>
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
///I hope I will get uprating and don't make mistakes
///I will never stop programming
///sqrt(-1) Love C++
///Please don't hack me
///@TheofanisOrfanou Theo830
///Think different approaches (bs,dp,greedy,graphs,shortest paths,mst)
///Stay Calm
///Look for special cases
///Beware of overflow and array bounds
///Think the problem backwards
///Training
ll siz[1505] = {0};
ll par[1505];
ll N;
ll P;
bool ok = 1;
ll find_par(ll x){
    if(par[x] == x){
        return x;
    }
    return par[x] = find_par(par[x]);
}
void enose(ll x,ll y){
    ll p1 = find_par(x);
    ll p2 = find_par(y);
    par[p2] = p1;
    siz[p1] += siz[p2];
    siz[p2] = 0;
}
void initialize(int n){
    f(i,0,n+5){
        siz[i] = 1;
        par[i] = i;
    }
    N = n;
}
int hasEdge(int u, int v){
    if(ok){
        ok = 0;
        P = u;
    }
    ll p1 = find_par(u);
    ll p2 = find_par(v);
    if(p1 == p2){
        return 1;
    }
    if(siz[p1] + siz[p2] < N && min(abs(P-p1),abs(P-p2)) == 0){
        enose(u,v);
        P = find_par(u);
        return 1;
    }
    return 0;
}

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 58.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Incorrect 1 ms 364 KB Output isn't correct
3 Halted 0 ms 0 KB -