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Submission #549786

# Submission time Handle Problem Language Result Execution time Memory
549786 2022-04-16T14:13:29 Z Vladth11 Rabbit Carrot (LMIO19_triusis) C++14
100 / 100
 164 ms 17512 KB 
#include <bits/stdc++.h>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "

using namespace std;
typedef long long ll;
typedef pair <ll, ll> pii;

const ll NMAX = 200005;
const ll VMAX = 26;
const ll INF = (1LL << 55);
const ll MOD = 90000000000000001;
const ll BLOCK = 1000000;
const ll base = 1000000001;
const ll nr_of_bits = 18;

ll v[NMAX];
int dp[NMAX];
vector <int> nrm;
unordered_map <int, int> mp;
int aint[NMAX * 4];

void update(int node, int st, int dr, int a, int b){
    if(st == dr){
        aint[node] = min(aint[node], b);
        return;
    }
    int mid = (st + dr) / 2;
    if(a <= mid)
        update(node * 2, st, mid, a, b);
    else
        update(node * 2 + 1, mid + 1, dr, a, b);
    aint[node] = min(aint[node * 2], aint[node * 2 + 1]);
}

int query(int node, int st, int dr, int a, int b){
    if(a <= st && dr <= b)
        return aint[node];
    int mid = (st + dr) / 2;
    int minim = 2e9;
    if(a <= mid)
        minim = min(minim, query(node * 2, st, mid, a, b));
    if(b > mid)
        minim = min(minim, query(node * 2 + 1, mid + 1, dr, a, b));
    return minim;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n, i, m;
    for(i = 1; i < NMAX * 4; i++)
        aint[i] = 2e9;
    cin >> n >> m;
    nrm.push_back(0);
    nrm.push_back(-2e9);
    for(i = 2; i <= n + 1; i++){
        cin >> v[i];
        v[i] -= m * (i - 1);
        nrm.push_back(v[i]);
    }
    sort(nrm.begin(), nrm.end());
    int cnt = 0;
    for(i = 0; i < nrm.size(); i++){
        if(i == 0 || nrm[i] != nrm[i - 1])
            cnt++;
        mp[nrm[i]] = cnt;
    }
    for(i = 1; i <= n + 1; i++)
        v[i] = mp[v[i]];
    n += 2;
    v[n] = 1; /// numar artificial
    int minim = 0;
    for(i = 1; i <= n; i++){
        dp[i] = i - 1 + query(1, 1, NMAX, v[i], NMAX);
        if(i == 1)
            dp[i] = 0;
        update(1, 1, NMAX, v[i], dp[i] - i);
    }
    cout << dp[n];
    return 0;
}

Compilation message

triusis.cpp: In function 'int main()':
triusis.cpp:65:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |     for(i = 0; i < nrm.size(); i++){
      |                ~~^~~~~~~~~~~~
triusis.cpp:74:9: warning: unused variable 'minim' [-Wunused-variable]
   74 |     int minim = 0;
      |         ^~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3412 KB Output is correct
2 Correct 2 ms 3412 KB Output is correct
3 Correct 2 ms 3464 KB Output is correct
4 Correct 2 ms 3412 KB Output is correct
5 Correct 2 ms 3460 KB Output is correct
6 Correct 2 ms 3412 KB Output is correct
7 Correct 2 ms 3412 KB Output is correct
8 Correct 2 ms 3456 KB Output is correct
9 Correct 2 ms 3412 KB Output is correct
10 Correct 2 ms 3412 KB Output is correct
11 Correct 2 ms 3412 KB Output is correct
12 Correct 3 ms 3412 KB Output is correct
13 Correct 2 ms 3412 KB Output is correct
14 Correct 2 ms 3460 KB Output is correct
15 Correct 2 ms 3412 KB Output is correct
16 Correct 2 ms 3456 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3412 KB Output is correct
2 Correct 2 ms 3412 KB Output is correct
3 Correct 2 ms 3464 KB Output is correct
4 Correct 2 ms 3412 KB Output is correct
5 Correct 2 ms 3460 KB Output is correct
6 Correct 2 ms 3412 KB Output is correct
7 Correct 2 ms 3412 KB Output is correct
8 Correct 2 ms 3456 KB Output is correct
9 Correct 2 ms 3412 KB Output is correct
10 Correct 2 ms 3412 KB Output is correct
11 Correct 2 ms 3412 KB Output is correct
12 Correct 3 ms 3412 KB Output is correct
13 Correct 2 ms 3412 KB Output is correct
14 Correct 2 ms 3460 KB Output is correct
15 Correct 2 ms 3412 KB Output is correct
16 Correct 2 ms 3456 KB Output is correct
17 Correct 2 ms 3412 KB Output is correct
18 Correct 2 ms 3464 KB Output is correct
19 Correct 2 ms 3412 KB Output is correct
20 Correct 4 ms 3668 KB Output is correct
21 Correct 4 ms 3668 KB Output is correct
22 Correct 4 ms 3668 KB Output is correct
23 Correct 5 ms 3732 KB Output is correct
24 Correct 4 ms 3668 KB Output is correct
25 Correct 4 ms 3668 KB Output is correct
26 Correct 5 ms 3744 KB Output is correct
27 Correct 4 ms 3540 KB Output is correct
28 Correct 4 ms 3540 KB Output is correct
29 Correct 5 ms 3668 KB Output is correct
30 Correct 4 ms 3732 KB Output is correct
31 Correct 4 ms 3596 KB Output is correct
32 Correct 4 ms 3724 KB Output is correct
33 Correct 5 ms 3724 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3412 KB Output is correct
2 Correct 2 ms 3464 KB Output is correct
3 Correct 2 ms 3412 KB Output is correct
4 Correct 4 ms 3668 KB Output is correct
5 Correct 4 ms 3668 KB Output is correct
6 Correct 4 ms 3668 KB Output is correct
7 Correct 5 ms 3732 KB Output is correct
8 Correct 4 ms 3668 KB Output is correct
9 Correct 4 ms 3668 KB Output is correct
10 Correct 5 ms 3744 KB Output is correct
11 Correct 4 ms 3540 KB Output is correct
12 Correct 4 ms 3540 KB Output is correct
13 Correct 5 ms 3668 KB Output is correct
14 Correct 4 ms 3732 KB Output is correct
15 Correct 4 ms 3596 KB Output is correct
16 Correct 4 ms 3724 KB Output is correct
17 Correct 5 ms 3724 KB Output is correct
18 Correct 2 ms 3412 KB Output is correct
19 Correct 2 ms 3412 KB Output is correct
20 Correct 2 ms 3464 KB Output is correct
21 Correct 2 ms 3412 KB Output is correct
22 Correct 2 ms 3460 KB Output is correct
23 Correct 2 ms 3412 KB Output is correct
24 Correct 2 ms 3412 KB Output is correct
25 Correct 2 ms 3456 KB Output is correct
26 Correct 2 ms 3412 KB Output is correct
27 Correct 2 ms 3412 KB Output is correct
28 Correct 2 ms 3412 KB Output is correct
29 Correct 3 ms 3412 KB Output is correct
30 Correct 2 ms 3412 KB Output is correct
31 Correct 2 ms 3460 KB Output is correct
32 Correct 2 ms 3412 KB Output is correct
33 Correct 2 ms 3456 KB Output is correct
34 Correct 6 ms 3732 KB Output is correct
35 Correct 4 ms 3796 KB Output is correct
36 Correct 5 ms 3796 KB Output is correct
37 Correct 4 ms 3668 KB Output is correct
38 Correct 4 ms 3604 KB Output is correct
39 Correct 4 ms 3540 KB Output is correct
40 Correct 4 ms 3668 KB Output is correct
41 Correct 3 ms 3540 KB Output is correct
42 Correct 4 ms 3668 KB Output is correct
43 Correct 5 ms 3780 KB Output is correct

Subtask #4
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 3732 KB Output is correct
2 Correct 4 ms 3796 KB Output is correct
3 Correct 5 ms 3796 KB Output is correct
4 Correct 4 ms 3668 KB Output is correct
5 Correct 4 ms 3604 KB Output is correct
6 Correct 4 ms 3540 KB Output is correct
7 Correct 4 ms 3668 KB Output is correct
8 Correct 3 ms 3540 KB Output is correct
9 Correct 4 ms 3668 KB Output is correct
10 Correct 5 ms 3780 KB Output is correct
11 Correct 2 ms 3412 KB Output is correct
12 Correct 2 ms 3464 KB Output is correct
13 Correct 2 ms 3412 KB Output is correct
14 Correct 4 ms 3668 KB Output is correct
15 Correct 4 ms 3668 KB Output is correct
16 Correct 4 ms 3668 KB Output is correct
17 Correct 5 ms 3732 KB Output is correct
18 Correct 4 ms 3668 KB Output is correct
19 Correct 4 ms 3668 KB Output is correct
20 Correct 5 ms 3744 KB Output is correct
21 Correct 4 ms 3540 KB Output is correct
22 Correct 4 ms 3540 KB Output is correct
23 Correct 5 ms 3668 KB Output is correct
24 Correct 4 ms 3732 KB Output is correct
25 Correct 4 ms 3596 KB Output is correct
26 Correct 4 ms 3724 KB Output is correct
27 Correct 5 ms 3724 KB Output is correct
28 Correct 2 ms 3412 KB Output is correct
29 Correct 2 ms 3412 KB Output is correct
30 Correct 2 ms 3464 KB Output is correct
31 Correct 2 ms 3412 KB Output is correct
32 Correct 2 ms 3460 KB Output is correct
33 Correct 2 ms 3412 KB Output is correct
34 Correct 2 ms 3412 KB Output is correct
35 Correct 2 ms 3456 KB Output is correct
36 Correct 2 ms 3412 KB Output is correct
37 Correct 2 ms 3412 KB Output is correct
38 Correct 2 ms 3412 KB Output is correct
39 Correct 3 ms 3412 KB Output is correct
40 Correct 2 ms 3412 KB Output is correct
41 Correct 2 ms 3460 KB Output is correct
42 Correct 2 ms 3412 KB Output is correct
43 Correct 2 ms 3456 KB Output is correct
44 Correct 100 ms 15868 KB Output is correct
45 Correct 142 ms 17512 KB Output is correct
46 Correct 148 ms 17488 KB Output is correct
47 Correct 164 ms 17460 KB Output is correct
48 Correct 114 ms 16420 KB Output is correct
49 Correct 130 ms 16700 KB Output is correct
50 Correct 97 ms 8636 KB Output is correct
51 Correct 77 ms 8600 KB Output is correct
52 Correct 75 ms 11860 KB Output is correct
53 Correct 67 ms 7880 KB Output is correct
54 Correct 113 ms 16520 KB Output is correct
55 Correct 106 ms 16576 KB Output is correct