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Submission #1067999

# Submission time Handle Problem Language Result Execution time Memory
1067999 2024-08-21T06:32:53 Z kunzaZa183 Wombats (IOI13_wombats) C++17
55 / 100
 13912 ms 262144 KB 
#include "wombats.h"
#include <bits/stdc++.h>
#include <utility>
using namespace std;


struct qry{
  pair<int,int> pos;
  int w;
  bool operator<(qry x) const{
    return w > x.w;
  }
};

int hori[5000][200],verti[5000][200];
int dp[200][5000][200],r,c;

bitset<200> alrdid;

const int big = 1e9+7;
void dij(int a,int b,int in){
  priority_queue<qry> pq;
  for(int i = 0; i < r; i++)
    for(int j = 0; j< c;j++)
      dp[in][i][j] = big;

    qry tmp;
    tmp.pos = {a,b};
    tmp.w = 0;
    pq.push(tmp);

  while(!pq.empty()) {
    qry x = pq.top();
    pq.pop();
    if(dp[in][x.pos.first][x.pos.second] == big) {
      dp[in][x.pos.first][x.pos.second] = x.w;
      qry sth;
      if(x.pos.second!=0) {
        sth.pos = {x.pos.first,x.pos.second - 1};
        sth.w = hori[sth.pos.first][sth.pos.second] + x.w;
        pq.push(sth);
      }
      if(x.pos.second != c - 1) {
        sth.pos = {x.pos.first, x.pos.second + 1};
        sth.w = hori[x.pos.first][x.pos.second] + x.w;
        pq.push(sth);
      }
      if(x.pos.first != 0) {
        sth.pos = {x.pos.first - 1,x.pos.second};
        sth.w = verti[sth.pos.first][sth.pos.second] + x.w;
        pq.push(sth);
      } 
    }
  }
}

void init(int R, int C, int H[5000][200], int V[5000][200]) {
  r = R, c= C;
  for(int i =0; i < R;i++)
    for(int j = 0; j < C;j++)
      hori[i][j] = H[i][j], verti[i][j] = V[i][j];
  alrdid.reset();
}



void changeH(int P, int Q, int W) {
  hori[P][Q] = W;
  alrdid.reset();
}

void changeV(int P, int Q, int W) {
  verti[P][Q] = W;
  alrdid.reset();
}

int escape(int V1, int V2) {
  if(!alrdid[V2])
    dij(r-1,V2,V2);
  alrdid[V2] = 1;
  return dp[V2][0][V1];
}

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;
      |      ^~~
wombats.cpp: In function 'void dij(int, int, int)':
wombats.cpp:23:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   23 |   for(int i = 0; i < r; i++)
      |   ^~~
wombats.cpp:27:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   27 |     qry tmp;
      |     ^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 39 ms 15964 KB Output is correct
2 Correct 37 ms 15964 KB Output is correct
3 Correct 74 ms 17488 KB Output is correct
4 Correct 37 ms 15960 KB Output is correct
5 Correct 41 ms 15964 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 860 KB Output is correct
5 Correct 1 ms 860 KB Output is correct
6 Correct 1 ms 860 KB Output is correct
7 Correct 1 ms 860 KB Output is correct
8 Correct 2 ms 856 KB Output is correct
9 Correct 2 ms 860 KB Output is correct
10 Correct 2 ms 860 KB Output is correct
11 Correct 40 ms 1728 KB Output is correct
12 Correct 2 ms 860 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 120 ms 5456 KB Output is correct
2 Correct 238 ms 6252 KB Output is correct
3 Correct 202 ms 6176 KB Output is correct
4 Correct 202 ms 6228 KB Output is correct
5 Correct 200 ms 6400 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 93 ms 984 KB Output is correct
10 Correct 1 ms 344 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 548 ms 23900 KB Output is correct
2 Correct 956 ms 23916 KB Output is correct
3 Correct 528 ms 23900 KB Output is correct
4 Correct 551 ms 24660 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 120 ms 5396 KB Output is correct
2 Correct 238 ms 6212 KB Output is correct
3 Correct 204 ms 6228 KB Output is correct
4 Correct 197 ms 6228 KB Output is correct
5 Correct 205 ms 6480 KB Output is correct
6 Correct 536 ms 23908 KB Output is correct
7 Correct 953 ms 23920 KB Output is correct
8 Correct 531 ms 23912 KB Output is correct
9 Correct 542 ms 24660 KB Output is correct
10 Correct 38 ms 15964 KB Output is correct
11 Correct 37 ms 15964 KB Output is correct
12 Correct 73 ms 17492 KB Output is correct
13 Correct 38 ms 15960 KB Output is correct
14 Correct 38 ms 15964 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 344 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 2 ms 860 KB Output is correct
19 Correct 1 ms 860 KB Output is correct
20 Correct 1 ms 860 KB Output is correct
21 Correct 1 ms 860 KB Output is correct
22 Correct 2 ms 860 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 39 ms 1880 KB Output is correct
26 Correct 1 ms 860 KB Output is correct
27 Correct 125 ms 964 KB Output is correct
28 Runtime error 5776 ms 262144 KB Execution killed with signal 9
29 Halted 0 ms 0 KB -

Subtask #6
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 129 ms 5484 KB Output is correct
2 Correct 248 ms 6392 KB Output is correct
3 Correct 197 ms 6224 KB Output is correct
4 Correct 198 ms 6228 KB Output is correct
5 Correct 201 ms 6484 KB Output is correct
6 Correct 567 ms 23900 KB Output is correct
7 Correct 1034 ms 23900 KB Output is correct
8 Correct 577 ms 23912 KB Output is correct
9 Correct 593 ms 24652 KB Output is correct
10 Correct 39 ms 15964 KB Output is correct
11 Correct 39 ms 15964 KB Output is correct
12 Correct 76 ms 17616 KB Output is correct
13 Correct 41 ms 15964 KB Output is correct
14 Correct 39 ms 15964 KB Output is correct
15 Correct 670 ms 23760 KB Output is correct
16 Runtime error 13912 ms 262144 KB Execution killed with signal 9
17 Halted 0 ms 0 KB -