답안 #1078991

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1078991 2024-08-28T09:10:30 Z LittleOrange 메기 농장 (IOI22_fish) C++17
9 / 100
132 ms 34412 KB
#include "fish.h"

#include <vector>
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const ll big = 1e18;

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){
    ll ans = 0;
    for(ll i : w) ans += i;
    return ans;
    vector<ll> dp(n+1,big);
    dp[0] = 0;
    for(ll i = 0;i<n;i++){
      ll cur = a[i].size()?a[i][0].second:0;
      dp[i+1] = min(dp[i+1],dp[i]+cur);
      if(i>=1)dp[i+1] = min(dp[i+1],dp[i-1]+cur);
      if(i>=2)dp[i+1] = min(dp[i+1],dp[i-2]+cur);
    }
    ll de = min(dp.back(),dp.end()[-2]);
    return ans-de;
  }
  return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 10952 KB Output is correct
2 Correct 35 ms 12480 KB Output is correct
3 Correct 3 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 124 ms 30460 KB Output is correct
6 Correct 132 ms 34412 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 85 ms 24084 KB Output is correct
3 Correct 111 ms 26928 KB Output is correct
4 Correct 30 ms 10960 KB Output is correct
5 Correct 36 ms 12476 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 0 ms 348 KB Output is correct
10 Correct 2 ms 4956 KB Output is correct
11 Correct 3 ms 4956 KB Output is correct
12 Correct 59 ms 15620 KB Output is correct
13 Correct 67 ms 17584 KB Output is correct
14 Correct 36 ms 14396 KB Output is correct
15 Correct 46 ms 15556 KB Output is correct
16 Correct 40 ms 14284 KB Output is correct
17 Correct 40 ms 15292 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Incorrect 25 ms 10332 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '26722970331638'
4 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Incorrect 0 ms 344 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 344 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 344 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 4956 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Incorrect 25 ms 10332 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '26722970331638'
4 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 10952 KB Output is correct
2 Correct 35 ms 12480 KB Output is correct
3 Correct 3 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 124 ms 30460 KB Output is correct
6 Correct 132 ms 34412 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 85 ms 24084 KB Output is correct
9 Correct 111 ms 26928 KB Output is correct
10 Correct 30 ms 10960 KB Output is correct
11 Correct 36 ms 12476 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 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 3 ms 4956 KB Output is correct
18 Correct 59 ms 15620 KB Output is correct
19 Correct 67 ms 17584 KB Output is correct
20 Correct 36 ms 14396 KB Output is correct
21 Correct 46 ms 15556 KB Output is correct
22 Correct 40 ms 14284 KB Output is correct
23 Correct 40 ms 15292 KB Output is correct
24 Correct 2 ms 4956 KB Output is correct
25 Correct 2 ms 4956 KB Output is correct
26 Incorrect 25 ms 10332 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '26722970331638'
27 Halted 0 ms 0 KB -