oj.uz

Submission #432512

# Submission time Handle Problem Language Result Execution time Memory
432512 2021-06-18T10:48:41 Z Andyvanh1 Packing Biscuits (IOI20_biscuits) C++14
21 / 100
 1000 ms 29832 KB 
#include <bits/stdc++.h>
#include "biscuits.h"
 
using namespace std;
 
#define vt vector
#define pb push_back
#define all(x) (x).begin(),(x).end()
#define rep(i,x) for(int (i) = 0; (i) < (x); (i)++)
 
typedef long long ll;
typedef long double ld;
typedef vt<int> vi;
typedef pair<int,int> pii;
 
vt<ll> A;
ll X;
int k;
 
bool works(ll cur){
 
    ll now = 0;
    ll lat = 0;
    for(int i = 0; i < 60; i++){
        if(i<k)
        now+=A[i]*(1ll<<i);
 
        lat+=((1ll<<i)&cur)*X;
        if(now<lat)return false;
    }
    return true;
 
}
 
ll brute_force(ll x, vt<ll> a){
    if(x>100000)return 1;
X = x; A = a;k =a.size();
ll ans = 0;
for(ll i = 100000; i >= 0; i--){
    if(works(i))ans++;
 
}
return ans;
 
}
 
map<pair<long,long>,long> mp;
 
ll mthcount(ll x, int cur, ll val){
 
 
    if(cur==k-1){
        return val/x+1;
    }
    if(val >= x){
        ll ans = 0;
        if(mp.find({cur+1,val/2+A[cur+1]})!=mp.end()){
            ans+=mp[{cur+1,val/2+A[cur+1]}];
        }else{
            ans+=mthcount(x,cur+1,val/2+A[cur+1]);
            mp[{cur+1,val/2+A[cur+1]}] = ans;
        }
        val-=x;
 
        if(mp.find({cur+1,val/2+A[cur+1]})!=mp.end()){
            ans+=mp[{cur+1,val/2+A[cur+1]}];
        }else{
            mp[{cur+1,val/2+A[cur+1]}] = mthcount(x,cur+1,val/2+A[cur+1]);
            ans+=mp[{cur+1,val/2+A[cur+1]}];
        }
        return ans;
    }else{
         if(mp.find({cur+1,val/2+A[cur+1]})!=mp.end()){
            return mp[{cur+1,val/2+A[cur+1]}];
        }else{
            return mp[{cur+1,val/2+A[cur+1]}] = mthcount(x,cur+1,val/2+A[cur+1]);
 
        }
    }
}
 
ll count_tastiness(ll x, vt<ll> a){
    mp.clear();
A = a;
k = a.size();
return mthcount(x,0,a[0]);
 
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 2 ms 332 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 292 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 224 KB Output is correct
8 Execution timed out 1098 ms 22400 KB Time limit exceeded
9 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Execution timed out 1073 ms 29832 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 2 ms 332 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 292 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 224 KB Output is correct
31 Execution timed out 1098 ms 22400 KB Time limit exceeded
32 Halted 0 ms 0 KB -