Submission #1201577

#	Time	Username	Problem	Language	Result	Execution time	Memory
1201577		adiyer	Game (APIO22_game)	C++20	2 / 100	11 ms	23892 KiB

game

#include <bits/stdc++.h>

using namespace std;

const int MAXN = 5e5 + 11;

int n, k, ok;
int was[MAXN][2];

vector < int > g[MAXN][2];

void dfs(int v, bool t){
    was[v][t] = 1;
    for(int u : g[v][t])
        if(!was[u][t])
            dfs(u, t);
}

void init(int _n, int _k) {
    n = _n, k = _k;
    for(int i = 0; i < k - 1; i++) g[i][0].push_back(i + 1), g[i + 1][1].push_back(i);
    dfs(0, 0);
}

int add_teleporter(int u, int v){
    g[u][0].push_back(v);
    if(was[u][0]) dfs(u, 0);
    g[v][1].push_back(u);
    for(int i = 0; i < n; i++) was[i][1] = 0;
    dfs(u, 1);
    if(was[v][0] && was[v][1]) return 1;
    return 0;
}

namespace {

int read_int() {
  int x;
  if (scanf("%d", &x) != 1) {
    fprintf(stderr, "Error while reading input\n");
    exit(1);
  }
  return x;
}

}  // namespace

• Subtask 1: 2 / 2
• Subtask 2: 0 / 10
• Subtask 3: 0 / 18
• Subtask 4: 0 / 30
• Subtask 5: 0 / 40