oj.uz

Submission #1068075

# Submission time Handle Problem Language Result Execution time Memory
1068075 2024-08-21T07:07:57 Z kunzaZa183 Wombats (IOI13_wombats) C++17
55 / 100
 20000 ms 20772 KB 
#pragma GCC optimize("O3")

#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[5000][200],r,c;
int ans[200][200];

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[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[x.pos.first][x.pos.second] == big) {
      dp[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);
      } 
    }
  }

  for(int i = 0; i < c;i++)
    ans[in][i] = dp[0][i];
}

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 ans[V2][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:26:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   26 |   for(int i = 0; i < r; i++)
      |   ^~~
wombats.cpp:30:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   30 |     qry tmp;
      |     ^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 15964 KB Output is correct
2 Correct 40 ms 15964 KB Output is correct
3 Correct 79 ms 17488 KB Output is correct
4 Correct 44 ms 16100 KB Output is correct
5 Correct 48 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 348 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 600 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 2 ms 348 KB Output is correct
10 Correct 1 ms 352 KB Output is correct
11 Correct 51 ms 1364 KB Output is correct
12 Correct 2 ms 352 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 119 ms 860 KB Output is correct
2 Correct 247 ms 1216 KB Output is correct
3 Correct 224 ms 944 KB Output is correct
4 Correct 221 ms 924 KB Output is correct
5 Correct 195 ms 1112 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 110 ms 924 KB Output is correct
10 Correct 0 ms 344 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 522 ms 19804 KB Output is correct
2 Correct 1016 ms 19996 KB Output is correct
3 Correct 546 ms 19984 KB Output is correct
4 Correct 561 ms 20772 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 120 ms 880 KB Output is correct
2 Correct 242 ms 1220 KB Output is correct
3 Correct 226 ms 1104 KB Output is correct
4 Correct 196 ms 944 KB Output is correct
5 Correct 224 ms 856 KB Output is correct
6 Correct 519 ms 19984 KB Output is correct
7 Correct 973 ms 20008 KB Output is correct
8 Correct 556 ms 19984 KB Output is correct
9 Correct 585 ms 20556 KB Output is correct
10 Correct 43 ms 15964 KB Output is correct
11 Correct 42 ms 16084 KB Output is correct
12 Correct 84 ms 17628 KB Output is correct
13 Correct 39 ms 16080 KB Output is correct
14 Correct 41 ms 15964 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 2 ms 348 KB Output is correct
19 Correct 2 ms 348 KB Output is correct
20 Correct 2 ms 344 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 2 ms 344 KB Output is correct
24 Correct 2 ms 348 KB Output is correct
25 Correct 76 ms 1368 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 93 ms 904 KB Output is correct
28 Execution timed out 20029 ms 19976 KB Time limit exceeded
29 Halted 0 ms 0 KB -

Subtask #6
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 157 ms 936 KB Output is correct
2 Correct 249 ms 1256 KB Output is correct
3 Correct 227 ms 860 KB Output is correct
4 Correct 205 ms 896 KB Output is correct
5 Correct 199 ms 896 KB Output is correct
6 Correct 527 ms 19804 KB Output is correct
7 Correct 969 ms 20004 KB Output is correct
8 Correct 505 ms 19804 KB Output is correct
9 Correct 574 ms 20764 KB Output is correct
10 Correct 38 ms 15964 KB Output is correct
11 Correct 38 ms 16080 KB Output is correct
12 Correct 75 ms 17488 KB Output is correct
13 Correct 37 ms 15964 KB Output is correct
14 Correct 40 ms 16132 KB Output is correct
15 Correct 654 ms 19916 KB Output is correct
16 Execution timed out 20050 ms 20148 KB Time limit exceeded
17 Halted 0 ms 0 KB -