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Submission #568770

# Submission time Handle Problem Language Result Execution time Memory
568770 2022-05-26T07:43:48 Z anurag203 Rabbit Carrot (LMIO19_triusis) C++17
63 / 100
 1000 ms 1876 KB 
#include <bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;

#define fastio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define ll long long int
#define mod 1000000007
#define inf 1e18
#define endl "\n"
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define ff first
#define ss second
#define PI 3.141592653589793238462
#define sz(x) ((int)(x).size())
#define all(x) (x).begin(), (x).end()
#define rep(i, init, n) for (int i = init; i < (int)n; i++)
#define rev(i, n, init) for (int i = (int)n; i >= init; i--)
#define V vector<int>
#define VV vector<V>
#define Vll vector<ll>
#define VVll vector<Vll>
#define pii pair<int,int>
#define pll pair<ll,ll>
#define Vpii vector<pii>
#define VVpii vector<Vpii>
#define Vpll vector<pll> 
#define VVpll vector<Vpll>
template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; // find_by_order, order_of_key

#ifndef Anurag203
#define debug(x) cerr << #x <<" "; _print(x); cerr << endl;
#else
#define debug(x)
#endif

void _print(ll t) {cerr << t;}
void _print(int t) {cerr << t;}
void _print(string t) {cerr << t;}
void _print(char t) {cerr << t;}
void _print(double t) {cerr << t;}

template <class T, class vv> void _print(pair <T, vv> p);
template <class T> void _print(vector <T> v);
template <class T> void _print(set <T> v);
template <class T, class vv> void _print(map <T, vv> v);
template <class T> void _print(multiset <T> v);
template <class T> void _print(ordered_set <T> v);
template <class T, class vv> void _print(pair <T, vv> p) {cerr << "{"; _print(p.ff); cerr << ","; _print(p.ss); cerr << "}";}
template <class T> void _print(vector <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T> void _print(set <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T> void _print(multiset <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T, class vv> void _print(map <T, vv> v) {cerr << "[ "; for (auto i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T> void _print(ordered_set <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
/*----------------------------------------------------------------------------------------------------------------------------------------------------*/
ll gcd(ll a, ll b) {if (b > a) {return gcd(b, a);} if (b == 0) {return a;} return gcd(b, a % b);}
ll powe(ll x,ll y, ll p=mod){ll res = 1; x = x % p;while (y > 0){ if (y & 1) res = (res * x) % p;y = y >> 1; x = (x * x) % p;} return res;}
bool revsort(ll a, ll b) {return a > b;}
ll inverse_modulo(ll a, ll p = mod) {return powe(a, p - 2, p);}
Vll fact; void fill_fact(ll p = mod) {fact.resize(200005, 1); rep(i, 1, 200005) { fact[i] = (fact[i - 1] * i) % p; }}
ll C(ll n,ll r,ll p=mod) {return ((fact[n]*inverse_modulo(fact[n-r]))%mod*inverse_modulo(fact[r]))%mod;}
void google(int t) {cout << "Case #" << t << ": ";}
Vll spf; void sieve(ll n = 200005) {spf.resize(n + 1, 1); ll i, j; for (ll i = 2; i <= n; i++) {if (spf[i] == 1) {spf[i] = i; for (j = i * i; j <= n; j += i){if (spf[j] == 1) spf[j] = i;}}}}
bool is_prime(ll x) {return (spf[x] == x);}
Vpll prime_factors(ll x) {Vpll ans; while (x != 1) {ll a = spf[x], cnt = 0; while (x % a == 0) x /= a, cnt++; ans.pb({a, cnt});}return ans;}
/*----------------------------------------------------------------------------------------------------------------------------------------------------*/

void solve()
{
    int n,m;cin>>n>>m;
    V a(n+1);
    rep(i,1,n+1) cin>>a[i];
    a.pb(0);n++;
    V dp(n+1,1e9);
    dp[0] = 0;
    rep(i,1,n+1)
    {
        rev(j,i-1,0)
        {
            if (a[i] <= (i - j) * m + a[j])
            {
                dp[i] = min(dp[i], dp[j] + i - j - 1);
            }
        }
    }
    // a[i]-mi<=a[j]-mj
    rep(i, 1, n + 1)
    {
        rev(j, i - 1, 0)
        {
            if (a[i] > a[j])
            {
                dp[i] = max(dp[i], dp[j] + 1);
            }
        }
    }
    cout << dp[n] << endl;
}
int main() {
#ifndef Anurag203
    freopen("Error.txt", "w", stderr);
#endif
    fastio();
    // freopen("output.in", "r", stdin);
    // freopen("output.out", "w", stdout);

    int tt = 1;
    // cin>>tt;
    rep(ii, 1, tt + 1)
    {
        // google(ii);
        solve();
    }       
    return 0;
}

Compilation message

triusis.cpp: In function 'void sieve(long long int)':
triusis.cpp:66:62: warning: unused variable 'i' [-Wunused-variable]
   66 | Vll spf; void sieve(ll n = 200005) {spf.resize(n + 1, 1); ll i, j; for (ll i = 2; i <= n; i++) {if (spf[i] == 1) {spf[i] = i; for (j = i * i; j <= n; j += i){if (spf[j] == 1) spf[j] = i;}}}}
      |                                                              ^
triusis.cpp: In function 'int main()':
triusis.cpp:104:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  104 |     freopen("Error.txt", "w", stderr);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 52 ms 340 KB Output is correct
21 Correct 56 ms 348 KB Output is correct
22 Correct 86 ms 348 KB Output is correct
23 Correct 101 ms 340 KB Output is correct
24 Correct 90 ms 340 KB Output is correct
25 Correct 87 ms 344 KB Output is correct
26 Correct 70 ms 340 KB Output is correct
27 Correct 86 ms 348 KB Output is correct
28 Correct 98 ms 340 KB Output is correct
29 Correct 62 ms 340 KB Output is correct
30 Correct 81 ms 344 KB Output is correct
31 Correct 69 ms 352 KB Output is correct
32 Correct 70 ms 348 KB Output is correct
33 Correct 72 ms 352 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 52 ms 340 KB Output is correct
5 Correct 56 ms 348 KB Output is correct
6 Correct 86 ms 348 KB Output is correct
7 Correct 101 ms 340 KB Output is correct
8 Correct 90 ms 340 KB Output is correct
9 Correct 87 ms 344 KB Output is correct
10 Correct 70 ms 340 KB Output is correct
11 Correct 86 ms 348 KB Output is correct
12 Correct 98 ms 340 KB Output is correct
13 Correct 62 ms 340 KB Output is correct
14 Correct 81 ms 344 KB Output is correct
15 Correct 69 ms 352 KB Output is correct
16 Correct 70 ms 348 KB Output is correct
17 Correct 72 ms 352 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 89 ms 340 KB Output is correct
35 Correct 90 ms 344 KB Output is correct
36 Correct 100 ms 348 KB Output is correct
37 Correct 81 ms 344 KB Output is correct
38 Correct 97 ms 344 KB Output is correct
39 Correct 93 ms 340 KB Output is correct
40 Correct 69 ms 340 KB Output is correct
41 Correct 98 ms 344 KB Output is correct
42 Correct 73 ms 348 KB Output is correct
43 Correct 64 ms 340 KB Output is correct

Subtask #4
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 340 KB Output is correct
2 Correct 90 ms 344 KB Output is correct
3 Correct 100 ms 348 KB Output is correct
4 Correct 81 ms 344 KB Output is correct
5 Correct 97 ms 344 KB Output is correct
6 Correct 93 ms 340 KB Output is correct
7 Correct 69 ms 340 KB Output is correct
8 Correct 98 ms 344 KB Output is correct
9 Correct 73 ms 348 KB Output is correct
10 Correct 64 ms 340 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 52 ms 340 KB Output is correct
15 Correct 56 ms 348 KB Output is correct
16 Correct 86 ms 348 KB Output is correct
17 Correct 101 ms 340 KB Output is correct
18 Correct 90 ms 340 KB Output is correct
19 Correct 87 ms 344 KB Output is correct
20 Correct 70 ms 340 KB Output is correct
21 Correct 86 ms 348 KB Output is correct
22 Correct 98 ms 340 KB Output is correct
23 Correct 62 ms 340 KB Output is correct
24 Correct 81 ms 344 KB Output is correct
25 Correct 69 ms 352 KB Output is correct
26 Correct 70 ms 348 KB Output is correct
27 Correct 72 ms 352 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Execution timed out 1085 ms 1876 KB Time limit exceeded
45 Halted 0 ms 0 KB -