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Submission #608799

# Submission time Handle Problem Language Result Execution time Memory
608799 2022-07-27T10:16:20 Z MohamedFaresNebili Wombats (IOI13_wombats) C++14
39 / 100
 20000 ms 17128 KB 
#include <bits/stdc++.h>
#include "wombats.h"
/// #pragma GCC optimize ("Ofast")
/// #pragma GCC target ("avx2")
/// #pragma GCC optimize("unroll-loops")

            using namespace std;

            using ll = long long;
            using ii = pair<ll, ll>;
            using vi = vector<int>;
            using pi = pair<int, pair<int, int>>;

            #define ff first
            #define ss second
            #define pb push_back
            #define all(x) (x).begin(), (x).end()
            #define lb lower_bound

            const int oo = 1000 * 1000 * 1000 + 7;

            int R, C, H[5000][200], K[5000][200], DP[100][100];
            void precomputation(int i) {
                priority_queue<pi, vector<pi>, greater<pi>> pq;
                pq.push({0, {0, i}}); vector<vector<int>> D;
                D = vector<vector<int>> (R, vector<int>(C, oo));
                D[0][i] = 0;
                while(!pq.empty()) {
                    int U = pq.top().ss.ff, V = pq.top().ss.ss;
                    int W = pq.top().ff; pq.pop();
                    if(W != D[U][V]) continue;
                    if(V < C - 1) {
                        if(D[U][V + 1] > D[U][V] + H[U][V]) {
                            D[U][V + 1] = D[U][V] + H[U][V];
                            pq.push({D[U][V + 1], {U, V + 1}});
                        }
                    }
                    if(V > 0) {
                        if(D[U][V - 1] > D[U][V] + H[U][V - 1]) {
                            D[U][V - 1] = D[U][V] + H[U][V - 1];
                            pq.push({D[U][V - 1], {U, V - 1}});
                        }
                    }
                    if(U < R - 1) {
                        if(D[U + 1][V] > D[U][V] + K[U][V]) {
                            D[U + 1][V] = D[U][V] + K[U][V];
                            pq.push({D[U + 1][V], {U + 1, V}});
                        }
                    }
                }
                for(int l = 0; l < C; l++)
                    DP[i][l] = D[R - 1][l];
            }
            void init(int r, int c, int h[5000][200], int v[5000][200]) {
                R = r, C = c;
                for(int l = 0; l < R; l++)
                    for(int i = 0; i < C; i++)
                        H[l][i] = h[l][i],
                        K[l][i] = v[l][i];
                for(int l = 0; l < C; l++) precomputation(l);
            }

            void changeH(int P, int Q, int W) {
                H[P][Q] = W;
                for(int l = 0; l < C; l++) precomputation(l);
            }
            void changeV(int P, int Q, int W) {
                K[P][Q] = W;
                for(int l = 0; l < C; l++) precomputation(l);
            }

            int escape(int V1, int V2) {
                return DP[V1][V2];
            }

Compilation message

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   15 |  int res;
      |      ^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 181 ms 12328 KB Output is correct
2 Correct 160 ms 12380 KB Output is correct
3 Correct 236 ms 13784 KB Output is correct
4 Correct 163 ms 12480 KB Output is correct
5 Correct 170 ms 12316 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 73 ms 1296 KB Output is correct
12 Correct 2 ms 340 KB Output is correct

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 12105 ms 716 KB Output is correct
2 Execution timed out 20050 ms 1000 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 651 ms 16212 KB Output is correct
2 Correct 1206 ms 16224 KB Output is correct
3 Correct 625 ms 16224 KB Output is correct
4 Correct 647 ms 17128 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 12038 ms 716 KB Output is correct
2 Execution timed out 20053 ms 1000 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #6
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 12878 ms 716 KB Output is correct
2 Execution timed out 20031 ms 1132 KB Time limit exceeded
3 Halted 0 ms 0 KB -