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Submission #332861

# Submission time Handle Problem Language Result Execution time Memory
332861 2020-12-03T20:22:22 Z beso123 Solar Storm (NOI20_solarstorm) C++14
52 / 100
 910 ms 197320 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;
const int N=1000006;
int n,s,d;
int a[N],v[N],pref[N],p[N],gr[N],par[N];
vector<int> b,g[N];
deque<int> q;
void DFS(int v,int pr){
    q.push_back(v);
    int pos=max(0LL,(int)q.size()-(int)s-1LL);
    gr[v]=max(q[pos],0LL);
    par[v]=pr;
    for(auto to : g[v]){
        if(pr==to)
            continue;
        DFS(to,v);
    }
    q.pop_back();
}
main(){
cin>>n>>s>>d;
b.push_back(0);
for(int k=2;k<=n;k++){
    cin>>a[k];
   p[k]=p[k-1]+a[k];
   b.push_back(p[k]);
}
for(int k=1;k<=n;k++){
    cin>>v[k];
    pref[k]=pref[k-1]+v[k];
}
for(int k=1;k<=n;k++){
    int l=lower_bound(b.begin(),b.end(),p[k]-d)-b.begin();
    int ll=lower_bound(b.begin(),b.end(),p[l+1]-d)-b.begin();
    g[ll].push_back(k);
}
DFS(0,0);
int st=0,mx=0;
for(int k=1;k<=n;k++){;
    if(mx<pref[k]-pref[gr[k]]){
        mx=pref[k]-pref[gr[k]];
        st=k;
    }
}
vector<int> ans;
int m=s;
while(m){
        int l=lower_bound(b.begin(),b.end(),p[st]-d)-b.begin()+1;
    ans.push_back(l);
    st=par[st];
    m--;
}
cout<<ans.size()<<endl;
sort(ans.begin(),ans.end());
for(auto i : ans)
    cout<<i<<' ';
return 0;
}

Compilation message

SolarStorm.cpp:21:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   21 | main(){
      |      ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23788 KB Output is correct
2 Correct 24 ms 25452 KB Output is correct
3 Correct 25 ms 25580 KB Output is correct
4 Correct 20 ms 24556 KB Output is correct
5 Correct 16 ms 23788 KB Output is correct
6 Correct 22 ms 24556 KB Output is correct
7 Correct 22 ms 24556 KB Output is correct
8 Correct 22 ms 24704 KB Output is correct
9 Correct 21 ms 24428 KB Output is correct
10 Correct 23 ms 24812 KB Output is correct
11 Correct 24 ms 24684 KB Output is correct
12 Correct 19 ms 24556 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 532 ms 85200 KB Output is correct
2 Correct 357 ms 66120 KB Output is correct
3 Correct 410 ms 75464 KB Output is correct
4 Correct 526 ms 84296 KB Output is correct
5 Correct 621 ms 94664 KB Output is correct
6 Correct 745 ms 118856 KB Output is correct
7 Correct 488 ms 102092 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23788 KB Output is correct
2 Correct 24 ms 25452 KB Output is correct
3 Correct 25 ms 25580 KB Output is correct
4 Correct 20 ms 24556 KB Output is correct
5 Correct 16 ms 23788 KB Output is correct
6 Correct 22 ms 24556 KB Output is correct
7 Correct 22 ms 24556 KB Output is correct
8 Correct 22 ms 24704 KB Output is correct
9 Correct 21 ms 24428 KB Output is correct
10 Correct 23 ms 24812 KB Output is correct
11 Correct 24 ms 24684 KB Output is correct
12 Correct 19 ms 24556 KB Output is correct
13 Correct 532 ms 85200 KB Output is correct
14 Correct 357 ms 66120 KB Output is correct
15 Correct 410 ms 75464 KB Output is correct
16 Correct 526 ms 84296 KB Output is correct
17 Correct 621 ms 94664 KB Output is correct
18 Correct 745 ms 118856 KB Output is correct
19 Correct 488 ms 102092 KB Output is correct
20 Correct 436 ms 65484 KB Output is correct
21 Correct 618 ms 137544 KB Output is correct
22 Correct 730 ms 159048 KB Output is correct
23 Correct 562 ms 83784 KB Output is correct
24 Correct 575 ms 80196 KB Output is correct
25 Correct 643 ms 86984 KB Output is correct
26 Correct 463 ms 68684 KB Output is correct
27 Correct 620 ms 84808 KB Output is correct
28 Correct 635 ms 85324 KB Output is correct
29 Correct 829 ms 103892 KB Output is correct
30 Correct 671 ms 104400 KB Output is correct
31 Correct 597 ms 113100 KB Output is correct

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 732 ms 169160 KB Output is correct
2 Correct 390 ms 107616 KB Output is correct
3 Correct 414 ms 113992 KB Output is correct
4 Correct 594 ms 154312 KB Output is correct
5 Correct 574 ms 150472 KB Output is correct
6 Correct 608 ms 157896 KB Output is correct
7 Correct 853 ms 197320 KB Output is correct

Subtask #5
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23788 KB Output is correct
2 Correct 24 ms 25452 KB Output is correct
3 Correct 25 ms 25580 KB Output is correct
4 Correct 20 ms 24556 KB Output is correct
5 Correct 16 ms 23788 KB Output is correct
6 Correct 22 ms 24556 KB Output is correct
7 Correct 22 ms 24556 KB Output is correct
8 Correct 22 ms 24704 KB Output is correct
9 Correct 21 ms 24428 KB Output is correct
10 Correct 23 ms 24812 KB Output is correct
11 Correct 24 ms 24684 KB Output is correct
12 Correct 19 ms 24556 KB Output is correct
13 Incorrect 25 ms 24812 KB Output isn't correct
14 Halted 0 ms 0 KB -

Subtask #6
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23788 KB Output is correct
2 Correct 24 ms 25452 KB Output is correct
3 Correct 25 ms 25580 KB Output is correct
4 Correct 20 ms 24556 KB Output is correct
5 Correct 16 ms 23788 KB Output is correct
6 Correct 22 ms 24556 KB Output is correct
7 Correct 22 ms 24556 KB Output is correct
8 Correct 22 ms 24704 KB Output is correct
9 Correct 21 ms 24428 KB Output is correct
10 Correct 23 ms 24812 KB Output is correct
11 Correct 24 ms 24684 KB Output is correct
12 Correct 19 ms 24556 KB Output is correct
13 Correct 532 ms 85200 KB Output is correct
14 Correct 357 ms 66120 KB Output is correct
15 Correct 410 ms 75464 KB Output is correct
16 Correct 526 ms 84296 KB Output is correct
17 Correct 621 ms 94664 KB Output is correct
18 Correct 745 ms 118856 KB Output is correct
19 Correct 488 ms 102092 KB Output is correct
20 Correct 436 ms 65484 KB Output is correct
21 Correct 618 ms 137544 KB Output is correct
22 Correct 730 ms 159048 KB Output is correct
23 Correct 562 ms 83784 KB Output is correct
24 Correct 575 ms 80196 KB Output is correct
25 Correct 643 ms 86984 KB Output is correct
26 Correct 463 ms 68684 KB Output is correct
27 Correct 620 ms 84808 KB Output is correct
28 Correct 635 ms 85324 KB Output is correct
29 Correct 829 ms 103892 KB Output is correct
30 Correct 671 ms 104400 KB Output is correct
31 Correct 597 ms 113100 KB Output is correct
32 Correct 679 ms 90316 KB Output is correct
33 Correct 564 ms 79232 KB Output is correct
34 Correct 836 ms 104520 KB Output is correct
35 Correct 506 ms 72508 KB Output is correct
36 Correct 547 ms 76240 KB Output is correct
37 Correct 603 ms 83144 KB Output is correct
38 Correct 890 ms 141128 KB Output is correct
39 Correct 679 ms 149320 KB Output is correct
40 Correct 910 ms 194248 KB Output is correct

Subtask #7
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23788 KB Output is correct
2 Correct 24 ms 25452 KB Output is correct
3 Correct 25 ms 25580 KB Output is correct
4 Correct 20 ms 24556 KB Output is correct
5 Correct 16 ms 23788 KB Output is correct
6 Correct 22 ms 24556 KB Output is correct
7 Correct 22 ms 24556 KB Output is correct
8 Correct 22 ms 24704 KB Output is correct
9 Correct 21 ms 24428 KB Output is correct
10 Correct 23 ms 24812 KB Output is correct
11 Correct 24 ms 24684 KB Output is correct
12 Correct 19 ms 24556 KB Output is correct
13 Correct 532 ms 85200 KB Output is correct
14 Correct 357 ms 66120 KB Output is correct
15 Correct 410 ms 75464 KB Output is correct
16 Correct 526 ms 84296 KB Output is correct
17 Correct 621 ms 94664 KB Output is correct
18 Correct 745 ms 118856 KB Output is correct
19 Correct 488 ms 102092 KB Output is correct
20 Correct 436 ms 65484 KB Output is correct
21 Correct 618 ms 137544 KB Output is correct
22 Correct 730 ms 159048 KB Output is correct
23 Correct 562 ms 83784 KB Output is correct
24 Correct 575 ms 80196 KB Output is correct
25 Correct 643 ms 86984 KB Output is correct
26 Correct 463 ms 68684 KB Output is correct
27 Correct 620 ms 84808 KB Output is correct
28 Correct 635 ms 85324 KB Output is correct
29 Correct 829 ms 103892 KB Output is correct
30 Correct 671 ms 104400 KB Output is correct
31 Correct 597 ms 113100 KB Output is correct
32 Correct 732 ms 169160 KB Output is correct
33 Correct 390 ms 107616 KB Output is correct
34 Correct 414 ms 113992 KB Output is correct
35 Correct 594 ms 154312 KB Output is correct
36 Correct 574 ms 150472 KB Output is correct
37 Correct 608 ms 157896 KB Output is correct
38 Correct 853 ms 197320 KB Output is correct
39 Incorrect 25 ms 24812 KB Output isn't correct
40 Halted 0 ms 0 KB -