답안 #1078935

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1078935 2024-08-28T08:21:22 Z LittleOrange 메기 농장 (IOI22_fish) C++17
9 / 100
121 ms 31568 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) v += dp[i-2];
        dp[i+1] = max(dp[i+1],v);
      }
    }
    return dp.back();
  }
  return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 10484 KB Output is correct
2 Correct 34 ms 11988 KB Output is correct
3 Correct 2 ms 4952 KB Output is correct
4 Correct 3 ms 5044 KB Output is correct
5 Correct 121 ms 28016 KB Output is correct
6 Correct 119 ms 31568 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 90 ms 23004 KB Output is correct
3 Correct 100 ms 25708 KB Output is correct
4 Correct 29 ms 10464 KB Output is correct
5 Correct 36 ms 11880 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 604 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 2 ms 4956 KB Output is correct
11 Correct 2 ms 4956 KB Output is correct
12 Correct 39 ms 15272 KB Output is correct
13 Correct 45 ms 17092 KB Output is correct
14 Correct 35 ms 13876 KB Output is correct
15 Correct 45 ms 15032 KB Output is correct
16 Correct 35 ms 13880 KB Output is correct
17 Correct 38 ms 14780 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4952 KB Output is correct
2 Correct 4 ms 5720 KB Output is correct
3 Incorrect 30 ms 10740 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '16365227345901'
4 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 348 KB 1st lines differ - on the 1st token, expected: '3', found: '0'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4952 KB Output is correct
2 Correct 4 ms 5720 KB Output is correct
3 Incorrect 30 ms 10740 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '16365227345901'
4 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 10484 KB Output is correct
2 Correct 34 ms 11988 KB Output is correct
3 Correct 2 ms 4952 KB Output is correct
4 Correct 3 ms 5044 KB Output is correct
5 Correct 121 ms 28016 KB Output is correct
6 Correct 119 ms 31568 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 90 ms 23004 KB Output is correct
9 Correct 100 ms 25708 KB Output is correct
10 Correct 29 ms 10464 KB Output is correct
11 Correct 36 ms 11880 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 0 ms 604 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 2 ms 4956 KB Output is correct
17 Correct 2 ms 4956 KB Output is correct
18 Correct 39 ms 15272 KB Output is correct
19 Correct 45 ms 17092 KB Output is correct
20 Correct 35 ms 13876 KB Output is correct
21 Correct 45 ms 15032 KB Output is correct
22 Correct 35 ms 13880 KB Output is correct
23 Correct 38 ms 14780 KB Output is correct
24 Correct 2 ms 4952 KB Output is correct
25 Correct 4 ms 5720 KB Output is correct
26 Incorrect 30 ms 10740 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '16365227345901'
27 Halted 0 ms 0 KB -