oj.uz

Submission #629450

# Submission time Handle Problem Language Result Execution time Memory
629450 2022-08-14T13:47:07 Z jeff252 Radio Towers (IOI22_towers) C++17
23 / 100
 4000 ms 55100 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
#define pitem item*
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<ll> vl;
const int N=1e6+10;
const int SS=1<<19;
const int INFi=2e9;
const ll INFl=1e13;
const ll mod2=998244353;
const ll mod=1e9+7;
const ll mod3=1000696969;
const ll p=70032301;
const ull p2=913;
const int L=20;
int t[N],seg[(SS<<1)+10],dp[N];
pair<int,int>num[N],pw[N],sorted[N];
vi g[N];
void upd(int ind,int x){
    for(ind+=SS;ind>0;ind>>=1) seg[ind]=max(seg[ind],x);
}
int Query(int a,int b){
    int res=0;
    for(a+=SS-1,b+=SS+1;(a>>1)!=(b>>1);a>>=1,b>>=1){
        if(!(a&1)) res=max(res,seg[a+1]);
        if(b&1) res=max(res,seg[b-1]);
    }
    return res;
}
void cnt(int l,int r,int d){
    for(int i=1;i<=SS*2;i++) seg[i]=0;
    for(int i=l;i<=r;i++){
        sorted[i-l+1]={t[i],i};
        sorted[r-l+1+i-l+1]={t[i]+d,i+r};
    }
    sort(sorted+1,sorted+1+(r-l+1)*2);
    int wsk=0;
    for(int i=1;i<=(r-l+1)*2;i++){
        if(i==1 or sorted[i].fi!=sorted[i-1].fi) wsk++;
        if(sorted[i].se>r) num[sorted[i].se-r].se=wsk;
        else num[sorted[i].se].fi=wsk;
    }
    for(int i=l;i<=r;i++){
        pw[i].fi=Query(num[i].se,wsk);
        upd(num[i].fi,i);
    }
    for(int i=1;i<=SS*2;i++) seg[i]=0;
    for(int i=r;i>=l;i--){
        pw[i].se=Query(num[i].se,wsk);
        if(pw[i].se!=0) pw[i].se=r-pw[i].se+1;
        upd(num[i].fi,r-i+1);
    }
     for(int i=1;i<=SS*2;i++) seg[i]=0;
}
void init(int n,vi a){
    for(int i=0;i<n;i++) t[i+1]=a[i];
}
int max_towers(int l,int r,int d){
    l++,r++;
    cnt(l,r,d);
    int res=0;
    for(int i=l;i<=r;i++){
        if(pw[i].fi!=0) dp[i]=Query(l,pw[i].fi-1);
        dp[i]++;
        res=max(res,dp[i]);
        if(pw[i].se!=0) g[pw[i].se].push_back(i);
        for(auto u:g[i]) upd(u,dp[u]);
    }
    return res;
}
/*int main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    int n;
    cin>>n;
    vi xd;
    for(int i=1;i<=n;i++){
        int a;
        cin>>a;
        xd.push_back(a);
    }
    init(n,xd);
    int q;
    cin>>q;
    while(q--){
        int l,r,d;
        cin>>l>>r>>d;
        cout<<max_towers(l,r,d)<<"\n";
    }
}*/

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4073 ms 40220 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 27856 KB Output is correct
2 Correct 15 ms 27984 KB Output is correct
3 Correct 16 ms 27856 KB Output is correct
4 Correct 15 ms 27856 KB Output is correct
5 Correct 16 ms 27856 KB Output is correct
6 Correct 15 ms 27856 KB Output is correct
7 Correct 18 ms 27880 KB Output is correct
8 Correct 17 ms 27868 KB Output is correct
9 Correct 16 ms 27864 KB Output is correct
10 Correct 16 ms 27840 KB Output is correct
11 Correct 16 ms 27884 KB Output is correct
12 Correct 16 ms 27856 KB Output is correct
13 Correct 15 ms 27984 KB Output is correct
14 Correct 15 ms 27856 KB Output is correct
15 Correct 18 ms 27956 KB Output is correct
16 Correct 15 ms 27984 KB Output is correct
17 Correct 15 ms 27856 KB Output is correct
18 Correct 16 ms 27856 KB Output is correct
19 Correct 16 ms 27856 KB Output is correct
20 Correct 20 ms 27984 KB Output is correct
21 Correct 16 ms 27952 KB Output is correct
22 Correct 17 ms 28020 KB Output is correct
23 Correct 17 ms 27984 KB Output is correct
24 Correct 15 ms 27948 KB Output is correct
25 Correct 15 ms 27872 KB Output is correct
26 Correct 16 ms 27980 KB Output is correct
27 Correct 15 ms 27984 KB Output is correct
28 Correct 15 ms 28012 KB Output is correct
29 Correct 16 ms 28024 KB Output is correct
30 Correct 16 ms 27984 KB Output is correct
31 Correct 15 ms 27916 KB Output is correct
32 Correct 16 ms 27984 KB Output is correct
33 Correct 15 ms 28004 KB Output is correct
34 Correct 16 ms 27904 KB Output is correct
35 Correct 19 ms 27984 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 27856 KB Output is correct
2 Correct 15 ms 27984 KB Output is correct
3 Correct 16 ms 27856 KB Output is correct
4 Correct 15 ms 27856 KB Output is correct
5 Correct 16 ms 27856 KB Output is correct
6 Correct 15 ms 27856 KB Output is correct
7 Correct 18 ms 27880 KB Output is correct
8 Correct 17 ms 27868 KB Output is correct
9 Correct 16 ms 27864 KB Output is correct
10 Correct 16 ms 27840 KB Output is correct
11 Correct 16 ms 27884 KB Output is correct
12 Correct 16 ms 27856 KB Output is correct
13 Correct 15 ms 27984 KB Output is correct
14 Correct 15 ms 27856 KB Output is correct
15 Correct 18 ms 27956 KB Output is correct
16 Correct 15 ms 27984 KB Output is correct
17 Correct 15 ms 27856 KB Output is correct
18 Correct 16 ms 27856 KB Output is correct
19 Correct 16 ms 27856 KB Output is correct
20 Correct 20 ms 27984 KB Output is correct
21 Correct 16 ms 27952 KB Output is correct
22 Correct 17 ms 28020 KB Output is correct
23 Correct 17 ms 27984 KB Output is correct
24 Correct 15 ms 27948 KB Output is correct
25 Correct 15 ms 27872 KB Output is correct
26 Correct 16 ms 27980 KB Output is correct
27 Correct 15 ms 27984 KB Output is correct
28 Correct 15 ms 28012 KB Output is correct
29 Correct 16 ms 28024 KB Output is correct
30 Correct 16 ms 27984 KB Output is correct
31 Correct 15 ms 27916 KB Output is correct
32 Correct 16 ms 27984 KB Output is correct
33 Correct 15 ms 28004 KB Output is correct
34 Correct 16 ms 27904 KB Output is correct
35 Correct 19 ms 27984 KB Output is correct
36 Correct 32 ms 29264 KB Output is correct
37 Correct 42 ms 29988 KB Output is correct
38 Correct 34 ms 29276 KB Output is correct
39 Correct 40 ms 29804 KB Output is correct
40 Correct 43 ms 29272 KB Output is correct
41 Correct 74 ms 32352 KB Output is correct
42 Correct 26 ms 28816 KB Output is correct
43 Correct 49 ms 30920 KB Output is correct
44 Correct 28 ms 29164 KB Output is correct
45 Correct 29 ms 28776 KB Output is correct
46 Correct 26 ms 28632 KB Output is correct
47 Correct 47 ms 30488 KB Output is correct
48 Correct 37 ms 29780 KB Output is correct
49 Correct 30 ms 29020 KB Output is correct
50 Correct 41 ms 29388 KB Output is correct
51 Correct 51 ms 31320 KB Output is correct
52 Correct 94 ms 33836 KB Output is correct
53 Correct 85 ms 33764 KB Output is correct
54 Correct 84 ms 33848 KB Output is correct
55 Correct 68 ms 32244 KB Output is correct
56 Correct 74 ms 35232 KB Output is correct
57 Correct 77 ms 32488 KB Output is correct
58 Correct 75 ms 32936 KB Output is correct
59 Correct 91 ms 33208 KB Output is correct
60 Correct 86 ms 33824 KB Output is correct
61 Correct 96 ms 33620 KB Output is correct
62 Correct 81 ms 33312 KB Output is correct
63 Correct 78 ms 33628 KB Output is correct
64 Correct 55 ms 32896 KB Output is correct
65 Correct 65 ms 32104 KB Output is correct
66 Correct 57 ms 33084 KB Output is correct
67 Correct 57 ms 32204 KB Output is correct

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4049 ms 55100 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4073 ms 40140 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 27856 KB Output is correct
2 Correct 15 ms 27984 KB Output is correct
3 Correct 16 ms 27856 KB Output is correct
4 Correct 15 ms 27856 KB Output is correct
5 Correct 16 ms 27856 KB Output is correct
6 Correct 15 ms 27856 KB Output is correct
7 Correct 18 ms 27880 KB Output is correct
8 Correct 17 ms 27868 KB Output is correct
9 Correct 16 ms 27864 KB Output is correct
10 Correct 16 ms 27840 KB Output is correct
11 Correct 16 ms 27884 KB Output is correct
12 Correct 16 ms 27856 KB Output is correct
13 Correct 15 ms 27984 KB Output is correct
14 Correct 15 ms 27856 KB Output is correct
15 Correct 18 ms 27956 KB Output is correct
16 Correct 15 ms 27984 KB Output is correct
17 Correct 15 ms 27856 KB Output is correct
18 Correct 16 ms 27856 KB Output is correct
19 Correct 16 ms 27856 KB Output is correct
20 Correct 20 ms 27984 KB Output is correct
21 Correct 16 ms 27952 KB Output is correct
22 Correct 17 ms 28020 KB Output is correct
23 Correct 17 ms 27984 KB Output is correct
24 Correct 15 ms 27948 KB Output is correct
25 Correct 15 ms 27872 KB Output is correct
26 Correct 16 ms 27980 KB Output is correct
27 Correct 15 ms 27984 KB Output is correct
28 Correct 15 ms 28012 KB Output is correct
29 Correct 16 ms 28024 KB Output is correct
30 Correct 16 ms 27984 KB Output is correct
31 Correct 15 ms 27916 KB Output is correct
32 Correct 16 ms 27984 KB Output is correct
33 Correct 15 ms 28004 KB Output is correct
34 Correct 16 ms 27904 KB Output is correct
35 Correct 19 ms 27984 KB Output is correct
36 Correct 32 ms 29264 KB Output is correct
37 Correct 42 ms 29988 KB Output is correct
38 Correct 34 ms 29276 KB Output is correct
39 Correct 40 ms 29804 KB Output is correct
40 Correct 43 ms 29272 KB Output is correct
41 Correct 74 ms 32352 KB Output is correct
42 Correct 26 ms 28816 KB Output is correct
43 Correct 49 ms 30920 KB Output is correct
44 Correct 28 ms 29164 KB Output is correct
45 Correct 29 ms 28776 KB Output is correct
46 Correct 26 ms 28632 KB Output is correct
47 Correct 47 ms 30488 KB Output is correct
48 Correct 37 ms 29780 KB Output is correct
49 Correct 30 ms 29020 KB Output is correct
50 Correct 41 ms 29388 KB Output is correct
51 Correct 51 ms 31320 KB Output is correct
52 Correct 94 ms 33836 KB Output is correct
53 Correct 85 ms 33764 KB Output is correct
54 Correct 84 ms 33848 KB Output is correct
55 Correct 68 ms 32244 KB Output is correct
56 Correct 74 ms 35232 KB Output is correct
57 Correct 77 ms 32488 KB Output is correct
58 Correct 75 ms 32936 KB Output is correct
59 Correct 91 ms 33208 KB Output is correct
60 Correct 86 ms 33824 KB Output is correct
61 Correct 96 ms 33620 KB Output is correct
62 Correct 81 ms 33312 KB Output is correct
63 Correct 78 ms 33628 KB Output is correct
64 Correct 55 ms 32896 KB Output is correct
65 Correct 65 ms 32104 KB Output is correct
66 Correct 57 ms 33084 KB Output is correct
67 Correct 57 ms 32204 KB Output is correct
68 Execution timed out 4049 ms 55100 KB Time limit exceeded
69 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4073 ms 40220 KB Time limit exceeded
2 Halted 0 ms 0 KB -