답안 #873315

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
873315	2023-11-14T20:00:34 Z	Ludissey	메기 농장 (IOI22_fish)	C++17	14 / 100	1000 ms	2097152 KB

fish

#include "fish.h"
#include <bits/stdc++.h>
#define int long long
using namespace std;
map<pair<int,int>, int> a;
vector<vector<int>> fsh;
vector<vector<int>> prfx;
 
map<pair<int,pair<int,int>>, int> memo;
int N,M;
int dp(int x, int last, int big){
  if(memo.find({x,{last,big}})!=memo.end()) return memo[{x,{last,big}}];
  if(x==N) return 0;
 
  memo[{x,{last,big}}] = 0;
  for (auto i:fsh[x])
  {
    int c=0;
    if(i==0){
      if(last<=0) c=dp(x+1, 0, 1);
      else if(last>0) c=dp(x+1,(-last), 1);
    } else if(i>=abs(last)) {
      if(big==0) break;
      c=dp(x+1, i, 1);
    }else if(i<abs(last)){
      c=dp(x+1, i, 0);
    }
    if(x>0) {
      if(last>=0) {
        if(last<i&&i>0){
          c+=prfx[x-1][i-1];
          if(last>0) c-=prfx[x-1][last-1];
        }
        //for (int y = i; y < last; y++) c+=a[{x,y}];
        if(i<last&&last>0){
          c+=prfx[x][last-1];
          if(i>0) c-=prfx[x][i-1];
        }
      }else{
        for (int y = abs(last); y < i; y++) c+=a[{x-1,y}];
      }
      
    }
    memo[{x,{last,big}}]=max(c, memo[{x,{last,big}}]);
  }
  return memo[{x,{last,big}}];
}
 
long long max_weights(signed n, signed m, std::vector<signed> X, std::vector<signed> Y, std::vector<signed> W) {
  N=n; M=m; 
  fsh.resize(N+1, vector<int>(1,0));
  prfx.resize(N+1, vector<int>(N+1,0));
  for (int i = 0; i < M; i++){
    a[{X[i],Y[i]}] = W[i];
    fsh[X[i]+1].push_back(Y[i]+1);
    if(X[i]>0) fsh[X[i]-1].push_back(Y[i]+1);
  }
  for (int i = 0; i < N; i++) sort(fsh[i].begin(),fsh[i].end());
  for (int i = 0; i < N; i++)
  {
    for (int j = 0; j < N; j++)
    {
      prfx[i][j]=a[{i,j}];
      if(j>0) prfx[i][j]+=prfx[i][j-1];
    }
  }

  int p=dp(0,0,1);
  return p;
}

Subtask #1
0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	774 ms	2097152 KB	Execution killed with signal 9
2	Halted	0 ms	0 KB	-

Subtask #2
0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Runtime error	858 ms	2097152 KB	Execution killed with signal 9
3	Halted	0 ms	0 KB	-

Subtask #3
0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	760 ms	2097152 KB	Execution killed with signal 9
2	Halted	0 ms	0 KB	-

Subtask #4
14.0 / 14.0

#	결과	실행 시간	메모리	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	0 ms	348 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	6 ms	2140 KB	Output is correct
10	Correct	34 ms	7496 KB	Output is correct
11	Correct	10 ms	2140 KB	Output is correct
12	Correct	22 ms	7288 KB	Output is correct
13	Correct	2 ms	860 KB	Output is correct
14	Correct	19 ms	7048 KB	Output is correct

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	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	0 ms	348 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	6 ms	2140 KB	Output is correct
10	Correct	34 ms	7496 KB	Output is correct
11	Correct	10 ms	2140 KB	Output is correct
12	Correct	22 ms	7288 KB	Output is correct
13	Correct	2 ms	860 KB	Output is correct
14	Correct	19 ms	7048 KB	Output is correct
15	Correct	15 ms	7000 KB	Output is correct
16	Correct	192 ms	1424 KB	Output is correct
17	Execution timed out	1070 ms	9932 KB	Time limit exceeded
18	Halted	0 ms	0 KB	-

Subtask #6
0 / 17.0

#	결과	실행 시간	메모리	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	0 ms	348 KB	Output is correct
5	Correct	1 ms	344 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	6 ms	2140 KB	Output is correct
10	Correct	34 ms	7496 KB	Output is correct
11	Correct	10 ms	2140 KB	Output is correct
12	Correct	22 ms	7288 KB	Output is correct
13	Correct	2 ms	860 KB	Output is correct
14	Correct	19 ms	7048 KB	Output is correct
15	Correct	15 ms	7000 KB	Output is correct
16	Correct	192 ms	1424 KB	Output is correct
17	Execution timed out	1070 ms	9932 KB	Time limit exceeded
18	Halted	0 ms	0 KB	-

Subtask #7
0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	760 ms	2097152 KB	Execution killed with signal 9
2	Halted	0 ms	0 KB	-

Subtask #8
0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Runtime error	774 ms	2097152 KB	Execution killed with signal 9
2	Halted	0 ms	0 KB	-

답안 #873315

Compilation message