oj.uz

Submission #1072486

# Submission time Handle Problem Language Result Execution time Memory
1072486 2024-08-23T20:01:53 Z vjudge1 Radio Towers (IOI22_towers) C++17
23 / 100
 4000 ms 5240 KB 
#include <bits/stdc++.h>
// #pragma GCC optimize("Ofast")
// #pragma GCC target("avx2")
// #pragma GCC target("popcnt")
using namespace std;
 
using ll = long long;
using ull = unsigned long long;
using lld = long double;
using vi = vector<int>;
using vll = vector<ll>;
using ii = pair<int,int>;
using pll = pair<ll, ll>;
using vii = vector<ii>;
using vpll = vector<pll>;
 
#define endl '\n'
#define all(x) x.begin(),x.end()
#define lsb(x) x&(-x)
#define gcd(a,b) __gcd(a,b)
#define sz(x) (int)x.size()
#define mp make_pair
#define pb push_back
#define fi first
#define se second
#define fls cout.flush()
 
#define fore(i,l,r) for(auto i=l;i<r;i++)
#define fo(i,n) fore(i,0,n)
#define forex(i,r,l) for(auto i=r; i>=l;i--)
#define ffo(i,n) forex(i,n-1,0)

bool cmin(int &a, int b){if(b<a){a=b;return 1;}return 0;}
bool cmax(int &a, int b){if(b>a){a=b;return 1;}return 0;}
void valid(ll in){cout<<((in)?"YES\n":"NO\n");}
ll lcm(ll a, ll b){return (a/gcd(a,b))*b;}
ll gauss(ll n){return (n*(n+1))/2;}
struct SegTree{
    vi st;
    int n;
    SegTree(int n): n(n), st(4*n+4, 0) {}
    void update(int i,int x) {update(1,0,n-1,i,x);}
    void update(int nodo,int l,int r,int i,int x) {
        if(l == r) st[nodo] = x;
        else {
            int m = (l+r)/2;
            if(i <= m) update(nodo*2, l, m, i, x);
            else update(nodo*2+1, m+1, r, i, x);
            st[nodo] = max(st[nodo*2], st[nodo*2+1]);
        }
    }
    int query(int l,int r) {return query(1, 0, n-1, l, r);} 
    int query(int nodo,int l,int r,int i,int j){
        if(l>j || r<i) return INT_MIN;
        if(l>=i && r<=j) return st[nodo]; 
        int m =(l+r)/2;
        return max(query(nodo*2, l, m, i, j), query(nodo*2+1, m+1, r, i, j));
    }
};
int n;
vi h;
void init(int nn, vi hh){
    n = nn;
    h = hh;
}
/*
11
5 31 49 51 20 60 40 50 30 52 1
1
0 10 10
7
10 20 60 40 50 30 70
3
1 5 10
2 2 100
0 6 17
*/
int max_towers(int l,int r,int d){
    vi ord;
    fore(i, l, r+1)ord.pb(h[i]);
    sort(all(ord));
    auto pos = [&](int a){
        return upper_bound(all(ord), a)-ord.begin()-1;
    };
    SegTree dp1(n+1),dp2(n+1);
    fore(i,l,r+1){
        int p = pos(h[i]);
        // cout << p << '\n';
        int dp_i = dp2.query(p, n-1);
        // cout << dp_i << '\n';
        int wtp = pos(h[i] - d);
        // cout << wtp << '\n';
        if(wtp >= 0){
            int bst = dp1.query(0, wtp) + 1;
            // cout << bst << '\n';
            if(bst > dp2.query(wtp, wtp))
                dp2.update(wtp, bst);
        }
        // cout << "FIN\n";
        dp1.update(p, max(1, dp_i));
    }
    return dp1.query(0, r-l+1);
}

Compilation message

towers.cpp: In constructor 'SegTree::SegTree(int)':
towers.cpp:40:9: warning: 'SegTree::n' will be initialized after [-Wreorder]
   40 |     int n;
      |         ^
towers.cpp:39:8: warning:   'vi SegTree::st' [-Wreorder]
   39 |     vi st;
      |        ^~
towers.cpp:41:5: warning:   when initialized here [-Wreorder]
   41 |     SegTree(int n): n(n), st(4*n+4, 0) {}
      |     ^~~~~~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4014 ms 3240 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 520 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 2 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 344 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 520 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 2 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 19 ms 3160 KB Output is correct
37 Correct 29 ms 4536 KB Output is correct
38 Correct 26 ms 4304 KB Output is correct
39 Correct 24 ms 4560 KB Output is correct
40 Correct 18 ms 4304 KB Output is correct
41 Correct 72 ms 5172 KB Output is correct
42 Correct 11 ms 4304 KB Output is correct
43 Correct 38 ms 4816 KB Output is correct
44 Correct 12 ms 4488 KB Output is correct
45 Correct 10 ms 4304 KB Output is correct
46 Correct 10 ms 4304 KB Output is correct
47 Correct 38 ms 4640 KB Output is correct
48 Correct 27 ms 4560 KB Output is correct
49 Correct 16 ms 4280 KB Output is correct
50 Correct 21 ms 4560 KB Output is correct
51 Correct 32 ms 4560 KB Output is correct
52 Correct 101 ms 5072 KB Output is correct
53 Correct 97 ms 5072 KB Output is correct
54 Correct 97 ms 5072 KB Output is correct
55 Correct 59 ms 5072 KB Output is correct
56 Correct 56 ms 5052 KB Output is correct
57 Correct 68 ms 5084 KB Output is correct
58 Correct 80 ms 5064 KB Output is correct
59 Correct 85 ms 5068 KB Output is correct
60 Correct 98 ms 5072 KB Output is correct
61 Correct 88 ms 5072 KB Output is correct
62 Correct 89 ms 5064 KB Output is correct
63 Correct 87 ms 5240 KB Output is correct
64 Correct 42 ms 5072 KB Output is correct
65 Correct 40 ms 5072 KB Output is correct
66 Correct 49 ms 5072 KB Output is correct
67 Correct 42 ms 5072 KB Output is correct

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4059 ms 5108 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 4027 ms 1624 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 0 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 520 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 2 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 2 ms 344 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 2 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 344 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 19 ms 3160 KB Output is correct
37 Correct 29 ms 4536 KB Output is correct
38 Correct 26 ms 4304 KB Output is correct
39 Correct 24 ms 4560 KB Output is correct
40 Correct 18 ms 4304 KB Output is correct
41 Correct 72 ms 5172 KB Output is correct
42 Correct 11 ms 4304 KB Output is correct
43 Correct 38 ms 4816 KB Output is correct
44 Correct 12 ms 4488 KB Output is correct
45 Correct 10 ms 4304 KB Output is correct
46 Correct 10 ms 4304 KB Output is correct
47 Correct 38 ms 4640 KB Output is correct
48 Correct 27 ms 4560 KB Output is correct
49 Correct 16 ms 4280 KB Output is correct
50 Correct 21 ms 4560 KB Output is correct
51 Correct 32 ms 4560 KB Output is correct
52 Correct 101 ms 5072 KB Output is correct
53 Correct 97 ms 5072 KB Output is correct
54 Correct 97 ms 5072 KB Output is correct
55 Correct 59 ms 5072 KB Output is correct
56 Correct 56 ms 5052 KB Output is correct
57 Correct 68 ms 5084 KB Output is correct
58 Correct 80 ms 5064 KB Output is correct
59 Correct 85 ms 5068 KB Output is correct
60 Correct 98 ms 5072 KB Output is correct
61 Correct 88 ms 5072 KB Output is correct
62 Correct 89 ms 5064 KB Output is correct
63 Correct 87 ms 5240 KB Output is correct
64 Correct 42 ms 5072 KB Output is correct
65 Correct 40 ms 5072 KB Output is correct
66 Correct 49 ms 5072 KB Output is correct
67 Correct 42 ms 5072 KB Output is correct
68 Execution timed out 4059 ms 5108 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 4014 ms 3240 KB Time limit exceeded
2 Halted 0 ms 0 KB -