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Submission #990949

# Submission time Handle Problem Language Result Execution time Memory
990949 2024-05-31T20:53:26 Z alexdd Autobahn (COI21_autobahn) C++17
100 / 100
 461 ms 65836 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long
int n,k,lun,cate;
vector<pair<int,int>> v,v2;
map<int,int> mp,nrm;
int inv[400005];
int mars[400005],mars2[400005];
signed main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);
    cin>>n>>k>>lun;
    int le,ri,t;
    for(int i=1;i<=n;i++)
    {
        cin>>le>>t>>ri;
        //for(int j=le;j<=ri;j++)mp[j]++;
        v2.push_back({le,ri});
        mp[le]++;
        mp[ri]++;
        mp[ri+1]++;
        le+=t;
        if(ri>=le)
        {
            v.push_back({le,ri});
            mp[le]++;
        }
    }
    for(auto it:mp)
    {
        nrm[it.first]=++cate;
        inv[cate]=it.first;
    }
    for(auto x:v)
    {
        mars[nrm[x.first]]++;
        mars[nrm[x.second+1]]--;
    }
    for(auto x:v2)
    {
        mars2[nrm[x.first]]++;
        mars2[nrm[x.second+1]]--;
    }
    for(int i=1;i<=cate;i++)
    {
        mars2[i]+=mars2[i-1];
        mars[i]+=mars[i-1];
        //cout<<i<<"  "<<mars2[i]<<" "<<mars[i]<<" mars\n";
        //cout<<i<<" "<<inv[i]<<" inv\n";
    }
    for(int i=1;i<=cate;i++)
        if(mars2[i]<k)
            mars[i]=0;
    int poz=1,sum=0,mxm=0;
    inv[cate+1]=inv[cate]+1;
    for(int i=1;i<cate;i++)
    {
        sum += mars[i]*(inv[i+1]-inv[i]);
        while(inv[i+1]-inv[poz+1] >= lun)
        {
            sum -= mars[poz]*(inv[poz+1]-inv[poz]);
            poz++;
        }
        mxm = max(mxm, sum - mars[poz]*((inv[i+1]-inv[poz])-lun));
    }
    cout<<mxm;
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4440 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4440 KB Output is correct
12 Correct 2 ms 4696 KB Output is correct
13 Correct 1 ms 4700 KB Output is correct
14 Correct 1 ms 4700 KB Output is correct
15 Correct 1 ms 4700 KB Output is correct
16 Correct 1 ms 4700 KB Output is correct
17 Correct 1 ms 4700 KB Output is correct
18 Correct 2 ms 4700 KB Output is correct
19 Correct 1 ms 4700 KB Output is correct
20 Correct 1 ms 4700 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 1 ms 4444 KB Output is correct
9 Correct 1 ms 4444 KB Output is correct
10 Correct 1 ms 4444 KB Output is correct
11 Correct 1 ms 4440 KB Output is correct
12 Correct 2 ms 4696 KB Output is correct
13 Correct 1 ms 4700 KB Output is correct
14 Correct 1 ms 4700 KB Output is correct
15 Correct 1 ms 4700 KB Output is correct
16 Correct 1 ms 4700 KB Output is correct
17 Correct 1 ms 4700 KB Output is correct
18 Correct 2 ms 4700 KB Output is correct
19 Correct 1 ms 4700 KB Output is correct
20 Correct 1 ms 4700 KB Output is correct
21 Correct 432 ms 65636 KB Output is correct
22 Correct 440 ms 65576 KB Output is correct
23 Correct 411 ms 65580 KB Output is correct
24 Correct 461 ms 65548 KB Output is correct
25 Correct 425 ms 65580 KB Output is correct
26 Correct 426 ms 65580 KB Output is correct
27 Correct 441 ms 65836 KB Output is correct
28 Correct 398 ms 65580 KB Output is correct
29 Correct 452 ms 65772 KB Output is correct