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Submission #541434

# Submission time Handle Problem Language Result Execution time Memory
541434 2022-03-23T15:03:31 Z MohamedFaresNebili Ideal city (IOI12_city) C++14
32 / 100
 1000 ms 3684 KB 
#include <bits/stdc++.h>
#pragma GCC optimize ("Ofast")
#pragma GCC target ("avx2")

        using namespace std;

        using ll = long long;
        using ii = pair<ll, ll>;

        #define ff first
        #define ss second
        #define pb push_back
        /// #define int ll

        const int MOD = 1e9;

        vector<int> adj[100001];
        int DistanceSum(int N, int X[], int Y[]) {
            for(int l = 0; l < N; l++) {
                for(int i = l + 1; i < N; i++) {
                    if(X[l] == X[i] && abs(Y[l] - Y[i]) == 1)
                        adj[l].pb(i), adj[i].pb(l);
                    if(Y[l] == Y[i] && abs(X[l] - X[i]) == 1)
                        adj[l].pb(i), adj[i].pb(l);
                }
            }
            ll res = 0;
            for(int l = 0; l < N; l++) {
                vector<int> dist(N, -1);
                queue<int> q; q.push(l); dist[l] = 0;
                while(!q.empty()) {
                    int v = q.front(); q.pop();
                    if(v > l) res = (res % MOD + dist[v] % MOD) % MOD;
                    for(auto u : adj[v]) {
                        if(dist[u] != -1) continue;
                        dist[u] = dist[v] + 1;
                        q.push(u);
                    }
                }
            }
            return res % MOD;
        }

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2660 KB Output is correct
2 Correct 2 ms 2652 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 3 ms 2644 KB Output is correct
7 Correct 3 ms 2644 KB Output is correct
8 Correct 3 ms 2656 KB Output is correct
9 Correct 3 ms 2644 KB Output is correct
10 Correct 3 ms 2652 KB Output is correct
11 Correct 4 ms 2644 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 2644 KB Output is correct
2 Correct 30 ms 2688 KB Output is correct
3 Correct 61 ms 2644 KB Output is correct
4 Correct 62 ms 2712 KB Output is correct
5 Correct 106 ms 2740 KB Output is correct
6 Correct 115 ms 2744 KB Output is correct
7 Correct 125 ms 2748 KB Output is correct
8 Correct 144 ms 2748 KB Output is correct
9 Correct 114 ms 2744 KB Output is correct
10 Correct 110 ms 2644 KB Output is correct

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1080 ms 3620 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1089 ms 3684 KB Time limit exceeded
2 Halted 0 ms 0 KB -