oj.uz

Submission #431619

# Submission time Handle Problem Language Result Execution time Memory
431619 2021-06-17T13:40:20 Z kai824 Long Distance Coach (JOI17_coach) C++17
71 / 100
 2000 ms 16084 KB 
#include<bits/stdc++.h>
using namespace std;

#define int long long
typedef pair<int,int> pii;
#define f first
#define s second
#define mp make_pair

int x,n,m,w,t;

int arr[200005],vals[200005];
int td[200005];//"time of death"
bool die[200005];

pii ppl[200005],kp[200005];
vector<pii> kk;

inline int calc(int dj,int cur_time){
  return (cur_time/t) + (dj<=(cur_time%t)?1:0);
}

int32_t main(){
  ios_base::sync_with_stdio(false);cin.tie(0);
  cin>>x>>n>>m>>w>>t;

  int cost=0;

  for(int i=0;i<n;i++){//our "kill points" (+ end of journey)
    cin>>arr[i];
  }
  arr[n++]=x;
  sort(arr,arr+n);

  cost+=(x/t)+1;//for the driver
  for(int i=0;i<m;i++){//passengers...
    cin>>ppl[i].f>>ppl[i].s;

    cost+=(x/t);
    if(ppl[i].f<=(x%t))cost++;
  }
  ppl[m++]=mp(0,1e18);//bus driver moment...
  sort(ppl,ppl+m);
  for(int i=0;i<m;i++)td[i]=x;

  for(int i=0;i<n;i++){
    kp[i].f=arr[i]%t;
    kp[i].s=arr[i];
  }
  cost*=w;//base cost...
  sort(kp,kp+n);
  for(int i=0;i<n;i++){
    if(i>0 && kp[i].f==kp[i-1].f)continue;//if kp at same point, pick the earlier one will do
    kk.emplace_back(kp[i]);
  }n=kk.size();

  int nex=0;//nex on ppl array
  int mm=0;//max amt saved...
  //vals stores amount saved...
  vals[0]=0;
  for(int i=0;i<n;i++){
    // cout<<kk[i].f<<' '<<kk[i].s<<'\n';
    while(nex<m && ppl[nex].f<kk[i].f)nex++;
    //compute vals[nex-1]: array is for the sake of it...
    vals[nex-1]=0;
    int cur=0,it=nex;
    for(int j=nex-1;j>0;j--){
      //add cost saved to cur...
      if(td[j]<kk[i].s){
        break;//previous kill was earlier, and it wasn't worth it...
      }

      if(die[j]){
        cur+=(calc(ppl[j].f,x)-max(0ll,calc(ppl[j].f,kk[i].s)-1))*w;
        cur-=(calc(ppl[j].f,x)-max(0ll,calc(ppl[j].f,td[j])-1))*w;
      }else{
        cur+=(calc(ppl[j].f,td[j])-max(0ll,calc(ppl[j].f,kk[i].s)-1))*w;
        cur-=ppl[j].s;//compensation
      }
      // cout<<cur<<' '<<ppl[j].f<<' '<<ppl[j].s<<'\n';

      if(cur>vals[nex-1]){
        vals[nex-1]=cur;
        it=j;
      }
    }
    for(int j=it;j<nex;j++){
      td[j]=kk[i].s;
      die[j]=true;
    }
    // cout<<nex<<' '<<vals[nex-1]<<' '<<it<<"\n\n";

    mm+=(vals[nex-1]);
  }
  cout<<cost-mm;

  return 0;
}

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 352 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 352 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 352 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 2 ms 460 KB Output is correct
39 Correct 3 ms 460 KB Output is correct
40 Correct 3 ms 460 KB Output is correct
41 Correct 43 ms 528 KB Output is correct
42 Correct 42 ms 532 KB Output is correct
43 Correct 34 ms 524 KB Output is correct
44 Correct 67 ms 528 KB Output is correct
45 Correct 38 ms 640 KB Output is correct
46 Correct 2 ms 460 KB Output is correct
47 Correct 9 ms 460 KB Output is correct
48 Correct 3 ms 460 KB Output is correct
49 Correct 2 ms 460 KB Output is correct
50 Correct 2 ms 460 KB Output is correct
51 Correct 2 ms 460 KB Output is correct

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 292 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 352 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 2 ms 460 KB Output is correct
39 Correct 3 ms 460 KB Output is correct
40 Correct 3 ms 460 KB Output is correct
41 Correct 43 ms 528 KB Output is correct
42 Correct 42 ms 532 KB Output is correct
43 Correct 34 ms 524 KB Output is correct
44 Correct 67 ms 528 KB Output is correct
45 Correct 38 ms 640 KB Output is correct
46 Correct 2 ms 460 KB Output is correct
47 Correct 9 ms 460 KB Output is correct
48 Correct 3 ms 460 KB Output is correct
49 Correct 2 ms 460 KB Output is correct
50 Correct 2 ms 460 KB Output is correct
51 Correct 2 ms 460 KB Output is correct
52 Correct 205 ms 14904 KB Output is correct
53 Correct 225 ms 16084 KB Output is correct
54 Execution timed out 2003 ms 15368 KB Time limit exceeded
55 Halted 0 ms 0 KB -