Submission #577565

#	Time	Username	Problem	Language	Result	Execution time	Memory
577565		Mazaalai	Game (IOI14_game)	C++17	42 / 100	1078 ms	1108 KiB

game

#include "game.h"
#include <bits/stdc++.h>
#define lb lower_bound
#define LINE "------------\n"
using namespace std;
using PII = pair <int, int>;
const int N = 1500;
bool path[N][N];
int n;
void initialize(int _n) {
    n = _n;
    for (int i = 0; i < n; i++)
    for (int j = i+1; j < n; j++) 
        path[i][j] = path[j][i] = 1;
}

int hasEdge(int u, int v) {
    path[u][v] = path[v][u] = 0;
    bool vis[n]; memset(vis, 0, sizeof(vis));
    queue <int> bfs;
    bfs.push(u); vis[u] = 1;
    int reach = 0;
    while(!bfs.empty()) {
        reach++;
        int x = bfs.front(); bfs.pop();
        for (int i = 0; i < n; i++) {
            if (path[x][i] && !vis[i]) {
                bfs.push(i); vis[i] = 1;
            }
        }
    }
    if (reach != n) path[u][v] = path[v][u] = 1;
    return reach != n;
}

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