oj.uz

Submission #1078932

# Submission time Handle Problem Language Result Execution time Memory
1078932 2024-08-28T08:20:14 Z LittleOrange Catfish Farm (IOI22_fish) C++17
9 / 100
 150 ms 33132 KB 
#include "fish.h"

#include <vector>
#include<bits/stdc++.h>
using namespace std;
using ll = long long;

long long max_weights(int n, int m, std::vector<int> x, std::vector<int> y,
                      std::vector<int> w) {
  ll sub1 = 1, sub2 = 1, sub3 = 1;
  n++;
  vector<vector<pair<ll,ll>>> a(n);
  vector<vector<ll>> b(n);
  for(ll i = 0;i<m;i++){
    a[x[i]].push_back({y[i],w[i]});
    if(x[i]) b[x[i]-1].push_back(y[i]);
    b[x[i]+1].push_back(y[i]);
    if(x[i]&1) sub1 = 0;
    if(x[i]>1) sub2 = 0;
    if(y[i]) sub3 = 0;
  }
  n--;
  for(auto &o : a) sort(o.begin(),o.end());
  for(auto &o : b) sort(o.begin(),o.end());
  if (sub1){
    ll ans = 0;
    for(ll i : w) ans += i;
    return ans;
  }
  if(sub2){
    ll a1 = 0, a2 = 0;
    vector<array<ll,3>> o;
    for(auto [p,v] : a[0]) a1+=v,o.push_back({p,1,v});
    for(auto [p,v] : a[1]) a2+=v,o.push_back({p,0,v});
    ll ans = max(a1,a2);
    if(n>2){
      sort(o.begin(),o.end());
      ll dp0 = 0, dp1 = 0;
      for(auto &u : o){
        if (u[1]){
          dp0 += u[2];
          dp1 = max(dp1,dp0);
        }else{
          dp1 += u[2];
        }
      }
      ans = max(ans,dp1);
    }
    return ans;
  }
  if (sub3){
    vector<ll> dp(n+1,0);
    for(ll i = 0;i<n;i++){
      dp[i+1] = dp[i];
      if(a[i].size()){
        ll v = a[i][0].second;
        if (i>=1&&a[i-1].size()) v += a[i-1][0].second;;
        if (i>=3) v += dp[i-3];
        dp[i+1] = max(dp[i+1],v);
        v = a[i][0].second;
        if (i>=2&&a[i-2].size()) v += a[i-2][0].second;;
        if (i>=3) v += dp[i-3];
        dp[i+1] = max(dp[i+1],v);
        v = a[i][0].second;
        if (i>=2) v += dp[i-2];
        dp[i+1] = max(dp[i+1],v);
      }
    }
    return dp.back();
  }
  return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 10948 KB Output is correct
2 Correct 37 ms 12480 KB Output is correct
3 Correct 2 ms 4952 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 150 ms 29304 KB Output is correct
6 Correct 122 ms 33132 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 89 ms 23568 KB Output is correct
3 Correct 108 ms 26592 KB Output is correct
4 Correct 31 ms 10948 KB Output is correct
5 Correct 41 ms 12224 KB Output is correct
6 Correct 0 ms 600 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 4 ms 4956 KB Output is correct
11 Correct 4 ms 4956 KB Output is correct
12 Correct 38 ms 15784 KB Output is correct
13 Correct 47 ms 17348 KB Output is correct
14 Correct 36 ms 14388 KB Output is correct
15 Correct 47 ms 15416 KB Output is correct
16 Correct 59 ms 14388 KB Output is correct
17 Correct 41 ms 15300 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 3 ms 5724 KB Output is correct
3 Incorrect 24 ms 10920 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '18019359923151'
4 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 428 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 428 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 428 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 3 ms 5724 KB Output is correct
3 Incorrect 24 ms 10920 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '18019359923151'
4 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 10948 KB Output is correct
2 Correct 37 ms 12480 KB Output is correct
3 Correct 2 ms 4952 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 150 ms 29304 KB Output is correct
6 Correct 122 ms 33132 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 89 ms 23568 KB Output is correct
9 Correct 108 ms 26592 KB Output is correct
10 Correct 31 ms 10948 KB Output is correct
11 Correct 41 ms 12224 KB Output is correct
12 Correct 0 ms 600 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 4 ms 4956 KB Output is correct
17 Correct 4 ms 4956 KB Output is correct
18 Correct 38 ms 15784 KB Output is correct
19 Correct 47 ms 17348 KB Output is correct
20 Correct 36 ms 14388 KB Output is correct
21 Correct 47 ms 15416 KB Output is correct
22 Correct 59 ms 14388 KB Output is correct
23 Correct 41 ms 15300 KB Output is correct
24 Correct 2 ms 4956 KB Output is correct
25 Correct 3 ms 5724 KB Output is correct
26 Incorrect 24 ms 10920 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '18019359923151'
27 Halted 0 ms 0 KB -