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Submission #990950

# Submission time Handle Problem Language Result Execution time Memory
990950 2024-05-31T20:53:54 Z alexdd Autobahn (COI21_autobahn) C++17
100 / 100
 439 ms 63052 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;
        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];
    }
    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 4444 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 4440 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 4444 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 4444 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 4440 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 4444 KB Output is correct
12 Correct 1 ms 4696 KB Output is correct
13 Correct 1 ms 4696 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 1 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 4444 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 4440 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 4444 KB Output is correct
12 Correct 1 ms 4696 KB Output is correct
13 Correct 1 ms 4696 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 1 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 430 ms 62972 KB Output is correct
22 Correct 433 ms 63012 KB Output is correct
23 Correct 433 ms 63020 KB Output is correct
24 Correct 421 ms 63020 KB Output is correct
25 Correct 429 ms 63052 KB Output is correct
26 Correct 414 ms 62884 KB Output is correct
27 Correct 439 ms 63016 KB Output is correct
28 Correct 416 ms 63024 KB Output is correct
29 Correct 426 ms 63016 KB Output is correct