oj.uz

Submission #987979

# Submission time Handle Problem Language Result Execution time Memory
987979 2024-05-23T20:02:44 Z activedeltorre Shopping Plans (CCO20_day2problem3) C++14
5 / 25
 193 ms 31128 KB 
///OWNERUL LUI CALIN <3
#include <iostream>
#include <vector>
#include <queue>
#include <algorithm>
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")

using namespace std;
long long inf=1e9+10;
struct node
{
    long long  sum;
    int layer,bitipref,lst,rghtbord,biti;
};
struct  cmp
{
    bool operator()(node a,node  b)
    {
        return a.sum>b.sum;
    }
};
priority_queue<node,vector<node>,cmp>pq;
vector<int>adj[200005];
int cost[200005];
vector<int>ord;
bool cmp2(int a,int b)
{
    return cost[a]<cost[b];
}
int y[200005];
int x[200005];
int init[200005];
int g,g2;
node special(node curr)
{
    g=ord[curr.layer];
    g2=ord[curr.layer+1];
    curr.lst=0;
    curr.sum+=adj[g2][0];
    curr.layer++;
    curr.biti=1;
    curr.bitipref=0;
    curr.rghtbord=adj[g2].size()-1;
    return curr;
}
node skip(node curr)
{
    g=ord[curr.layer];
    g2=ord[curr.layer+1];
    if(x[g]==0)
       curr.sum=curr.sum-adj[g][curr.lst];
    else
        curr.sum=curr.sum-adj[g][curr.lst]+adj[g][curr.lst-1];
    if(x[g2]==0)
        return special(curr);
    curr.layer++;
    curr.biti=x[g2];
    curr.lst=x[g2];
    curr.bitipref=x[g2]-1;
    curr.rghtbord=adj[g2].size()-1;
    curr.sum+=adj[g2][curr.lst]-adj[g2][curr.lst-1];
    return curr;
}
node godown(node curr)
{
    g=ord[curr.layer];
    g2=ord[curr.layer+1];
    if(x[g2]==0)
        return special(curr);
    curr.layer++;
    curr.biti=x[g2];
    curr.lst=x[g2];
    curr.bitipref=x[g2]-1;
    curr.rghtbord=adj[g2].size()-1;
    curr.sum+=adj[g2][curr.lst]-adj[g2][curr.lst-1];
    return curr;
}
node shift(node curr)
{
    g=ord[curr.layer];
    curr.lst++;
    curr.sum+=adj[g][curr.lst]-adj[g][curr.lst-1];
    return curr;
}
node fixborderandshift(node curr)
{
    g=ord[curr.layer];
    curr.rghtbord=curr.lst-1;
    curr.lst=curr.bitipref;
    curr.bitipref--;
    curr.sum+=adj[g][curr.lst]-adj[g][curr.lst-1];
    return curr;
}
node fixborderandcreate(node curr)
{
    g=ord[curr.layer];
    curr.rghtbord=curr.lst-1;
    curr.lst=0;
    curr.biti++;
    curr.sum+=init[g];
    return curr;
}
signed  main()
{
    int  n,m,k,i,a,b;
    long long sum=0;
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin>>n>>m>>k;
    for(i=1; i<=n; i++)
    {
        cin>>a>>b;
        adj[a].push_back(b);
    }
    for(i=1; i<=m; i++)
    {
        cin>>x[i]>>y[i];
        if(y[i]==0)
        {
            cost[i]=inf;
        }
        else
        {
            sort(adj[i].begin(),adj[i].end());
            if(adj[i].size()<x[i])
            {
                for(int j=1; j<=k; j++)
                    cout<<-1<<'\n';
                return 0;
            }
            if(x[i]==0)
            {
                if(adj[i].size()==0)
                    cost[i]=inf;
                else
                {
                    init[i]=adj[i][0];
                    cost[i]=adj[i][0];
                }
            }
            else
            {
                long long vkuk=adj[i][0];
                init[i]=adj[i][0];
                for(int j=0; j<adj[i].size(); j++)
                {
                    if(j+1<=x[i])
                        sum+=adj[i][j];
                    adj[i][j]-=vkuk;
                }
                if(adj[i].size()==x[i])
                    cost[i]=inf;
                else
                    cost[i]=adj[i][x[i]]-adj[i][x[i]-1];
            }
        }
        ord.push_back(i);
    }
    sort(ord.begin(),ord.end(),cmp2);
    m--;
    for(i=0; i<ord.size(); i++)
    {
        if(cost[ord[i]]==inf)
        {
            m=i-1;
            break;
        }
    }
    node curr,curr2;
    cout<<sum<<'\n';
    k--;
    if(m>=0)
    {
        int g3=ord[0];
        if(x[g3]==0)
        {
            curr.layer=0;
            curr.sum=adj[g3][0];
            curr.bitipref=0;
            curr.lst=0;
            curr.biti=1;
            curr.rghtbord=adj[g3].size()-1;
            pq.push(curr);
        }
        else
        {
            curr.layer=0;
            curr.sum=adj[g3][x[g]]-adj[g3][x[g3]-1];
            curr.bitipref=x[g3]-1;
            curr.lst=x[g3];
            curr.rghtbord=adj[g3].size()-1;
            curr.biti=x[g3];
            pq.push(curr);
        }
        while(pq.size() && k)
        {
            curr=pq.top();
            pq.pop();
            k--;
            cout<<curr.sum+sum<<'\n';
            g3=ord[curr.layer];
            if(x[g3]==0 && curr.biti==1 && curr.layer+1<=m && curr.lst==0)
                pq.push(skip(curr));
            else if(curr.lst==x[g3] && curr.bitipref==x[g3]-1 && curr.biti==x[g3] && curr.layer+1<=m)
                pq.push(skip(curr));
            if(curr.lst+1<=curr.rghtbord)
                pq.push(shift(curr));
            if(curr.bitipref>=1 && curr.lst>=curr.bitipref+1)
                pq.push(fixborderandshift(curr));
            else if(curr.bitipref==0 && curr.lst>=1 && curr.biti+1<=y[g3])
                pq.push(fixborderandcreate(curr));
            if(curr.layer+1<=m)
                pq.push(godown(curr));
        }
    }
    while(k--)
        cout<<-1<<'\n';
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:126:29: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  126 |             if(adj[i].size()<x[i])
      |                ~~~~~~~~~~~~~^~~~~
Main.cpp:146:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  146 |                 for(int j=0; j<adj[i].size(); j++)
      |                              ~^~~~~~~~~~~~~~
Main.cpp:152:33: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  152 |                 if(adj[i].size()==x[i])
      |                    ~~~~~~~~~~~~~^~~~~~
Main.cpp:162:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  162 |     for(i=0; i<ord.size(); i++)
      |              ~^~~~~~~~~~~
Main.cpp:170:15: warning: unused variable 'curr2' [-Wunused-variable]
  170 |     node curr,curr2;
      |               ^~~~~

Subtask #1
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 8540 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 65 ms 26032 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 8540 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 42 ms 10828 KB Output is correct
2 Correct 37 ms 9688 KB Output is correct
3 Correct 13 ms 8792 KB Output is correct
4 Correct 14 ms 5988 KB Output is correct
5 Correct 149 ms 30624 KB Output is correct
6 Correct 157 ms 29612 KB Output is correct
7 Correct 151 ms 29864 KB Output is correct
8 Correct 144 ms 28904 KB Output is correct
9 Correct 193 ms 31128 KB Output is correct
10 Correct 150 ms 29288 KB Output is correct
11 Correct 142 ms 27700 KB Output is correct
12 Correct 122 ms 28332 KB Output is correct
13 Correct 100 ms 12112 KB Output is correct
14 Correct 147 ms 29244 KB Output is correct
15 Correct 148 ms 29232 KB Output is correct
16 Correct 62 ms 17832 KB Output is correct
17 Correct 74 ms 26028 KB Output is correct
18 Correct 147 ms 29688 KB Output is correct
19 Correct 79 ms 26400 KB Output is correct
20 Correct 71 ms 25784 KB Output is correct
21 Correct 137 ms 28720 KB Output is correct
22 Correct 59 ms 18812 KB Output is correct
23 Correct 85 ms 26044 KB Output is correct
24 Correct 158 ms 30772 KB Output is correct
25 Correct 64 ms 26292 KB Output is correct
26 Correct 61 ms 26412 KB Output is correct
27 Correct 124 ms 28136 KB Output is correct

Subtask #5
0.0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 8540 KB Output isn't correct
2 Halted 0 ms 0 KB -