oj.uz

Submission #629827

# Submission time Handle Problem Language Result Execution time Memory
629827 2022-08-15T08:19:08 Z TimDee Catfish Farm (IOI22_fish) C++17
9 / 100
 83 ms 8032 KB 
#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;


ll p2(int n, int m, vector<int> x, vector<int> y, vector<int> w) {

  vector<int> a(n,0), b(n,0);
  ll sum=0;
  for (int i=0; i<m; ++i) {
    if (x[i]==0) a[y[i]]=w[i];
    else b[y[i]]=w[i];
    sum+=w[i];
  }
  ll ans=0;
  for (int i=0; i<n; ++i) ans+=b[i];
  if (n==2) return max(ans,sum-ans);
  ll cnt=ans;
  for (int i=0; i<n; ++i) {
    cnt+=1ll*a[i]-1ll*b[i];
    ans=max(ans,cnt);
  }
  return ans;

}

ll p3(int n, int m, vector<int> x, vector<int> w) {

  vector<int> a(n,0);
  vector<pair<int,int>> b(n);
  for (int i=0; i<n; ++i) b[i]={0,i};
  for (int i=0; i<m; ++i) {
    b[x[i]]={w[i],x[i]};
    a[x[i]]=w[i];
  }
  sort(b.begin(), b.end());
  vector<int> vis(n,0);
  ll ans=0;
  for (int i=0; i<n; ++i) {
    auto it=b[i];
    int j=it.second, w=it.first; 
    
    //for (auto x:a) cout<<x<<' '; cout<<'\n';
    //for (auto x:vis) cout<<x<<' '; cout<<'\n';
    //cout<<j<<' '<<w<<'\n';
    if ((j?(vis[j-1]?0:a[j-1]):0) + ((j<n-1)?(vis[j+1]?0:a[j+1]):0) > a[j]) {
      ans+=(j?(vis[j-1]?0:a[j-1]):0) + ((j<n-1)?(vis[j+1]?0:a[j+1]):0) - a[j];
      //cout<<(j?(vis[j-1]?0:a[j-1]):0)<<' '<<((j<n-1)?(vis[j+1]?0:a[j+1]):0)<<' '<<ans<<'\n';
      a[j]=0;
      if (j) vis[j-1]=1;
      if (j<n-1) vis[j+1]=1;
    }
  }
  return ans;

}

ll max_weights(int n, int m, vector<int> x, vector<int> y, vector<int> w) {

  int _p1=1, _p2=1, _p3=1;
  ll sum=0;
  for (int i=0; i<m; ++i) {
    _p1&=!(x[i]&1);
    _p2&=(x[i]<=1);
    _p3&=(y[i]==0);
    sum+=w[i];
  }

  if (_p1) return sum;
  if (_p2) return p2(n,m,x,y,w);
  if (_p3) return p3(n,m,x,w);

}

Compilation message

fish.cpp: In function 'll p3(int, int, std::vector<int>, std::vector<int>)':
fish.cpp:42:22: warning: unused variable 'w' [-Wunused-variable]
   42 |     int j=it.second, w=it.first;
      |                      ^
fish.cpp: In function 'll max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:74:1: warning: control reaches end of non-void function [-Wreturn-type]
   74 | }
      | ^

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 2132 KB Output is correct
2 Correct 28 ms 2628 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 83 ms 7244 KB Output is correct
6 Correct 82 ms 7268 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 49 ms 6732 KB Output is correct
3 Correct 54 ms 8032 KB Output is correct
4 Correct 21 ms 2144 KB Output is correct
5 Correct 25 ms 2628 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 300 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 300 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 23 ms 5164 KB Output is correct
13 Correct 27 ms 6068 KB Output is correct
14 Correct 23 ms 5220 KB Output is correct
15 Correct 27 ms 5708 KB Output is correct
16 Correct 24 ms 5216 KB Output is correct
17 Correct 26 ms 5684 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 3 ms 1876 KB Output is correct
3 Incorrect 21 ms 3412 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '16876766837917'
4 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB 1st lines differ - on the 1st token, expected: '3', found: '1'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB 1st lines differ - on the 1st token, expected: '3', found: '1'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB 1st lines differ - on the 1st token, expected: '3', found: '1'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 3 ms 1876 KB Output is correct
3 Incorrect 21 ms 3412 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '16876766837917'
4 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 2132 KB Output is correct
2 Correct 28 ms 2628 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 83 ms 7244 KB Output is correct
6 Correct 82 ms 7268 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 49 ms 6732 KB Output is correct
9 Correct 54 ms 8032 KB Output is correct
10 Correct 21 ms 2144 KB Output is correct
11 Correct 25 ms 2628 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 300 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 300 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 23 ms 5164 KB Output is correct
19 Correct 27 ms 6068 KB Output is correct
20 Correct 23 ms 5220 KB Output is correct
21 Correct 27 ms 5708 KB Output is correct
22 Correct 24 ms 5216 KB Output is correct
23 Correct 26 ms 5684 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 3 ms 1876 KB Output is correct
26 Incorrect 21 ms 3412 KB 1st lines differ - on the 1st token, expected: '21261825233649', found: '16876766837917'
27 Halted 0 ms 0 KB -