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Submission #604570

# Submission time Handle Problem Language Result Execution time Memory
604570 2022-07-25T07:46:04 Z rrrr10000 Packing Biscuits (IOI20_biscuits) C++14
100 / 100
 15 ms 1352 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef pair<ll,ll> P;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<bool> vb;
#define rep(i,n) for(ll i=0;i<(ll)(n);i++)
#define REP(i,k,n) for(ll i=(ll)(k);i<(ll)(n);i++)
#define all(a) a.begin(),a.end()
#define fi first
#define se second
#define pb emplace_back
template<class T> void out(T a){cout<<a<<endl;}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<endl;}
ll vec[200005];
ll count_tastiness(ll K,vi v){
    ll n=61;
    while(v.size()<n)v.pb(0);
    rep(i,n)v[i]=v[i]<<i;
    rep(i,n-1)v[i+1]+=v[i];
    rep(i,n)v[i]/=K;
    /*
    vec[0]=0;
    ll cnt=1;
    rep(i,n){
        ll k=1ll<<i,l=lower_bound(vec,vec+cnt,v[i]-k+1)-vec;
        rep(j,l)vec[cnt++]=vec[j]+k;
    }
    return cnt;
    */
    // outv(v);
    vi dp(n+1),rui(n+1);dp[0]=rui[0]=1;
    rep(i,n){
        ll k=1ll<<i,t=v[i]-k;
        if(t>0){
            t=min(t,k-1);
            for(ll j=i-1;j>=0;j--)if(t>>j&1){
                // cout<<i<<' '<<j<<endl;
                dp[i+1]+=rui[j];
                t=min(t-(1ll<<j),v[j]-(1ll<<j));
                if(t<0)break;
            }
        }
        if(t==0)dp[i+1]++;
        rui[i+1]=rui[i]+dp[i+1];
    }
    // outv(dp);outv(rui);
    return rui[n];
}

Compilation message

biscuits.cpp: In function 'll count_tastiness(ll, vi)':
biscuits.cpp:21:19: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   21 |     while(v.size()<n)v.pb(0);
      |           ~~~~~~~~^~

Subtask #1
9.0 / 9.0

# 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 312 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 308 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 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 312 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 312 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 1 ms 212 KB Output is correct
5 Correct 1 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 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 312 KB Output is correct
12 Correct 0 ms 312 KB Output is correct
13 Correct 1 ms 308 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Correct 9 ms 1092 KB Output is correct
3 Correct 9 ms 1120 KB Output is correct
4 Correct 10 ms 1116 KB Output is correct
5 Correct 9 ms 1204 KB Output is correct
6 Correct 7 ms 1144 KB Output is correct
7 Correct 8 ms 1164 KB Output is correct
8 Correct 9 ms 1108 KB Output is correct
9 Correct 9 ms 1108 KB Output is correct
10 Correct 10 ms 1180 KB Output is correct

Subtask #5
23.0 / 23.0

# 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 312 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 308 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 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 312 KB Output is correct
15 Correct 1 ms 312 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 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 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 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 1 ms 312 KB Output is correct
35 Correct 0 ms 312 KB Output is correct
36 Correct 1 ms 308 KB Output is correct
37 Correct 2 ms 340 KB Output is correct
38 Correct 9 ms 1092 KB Output is correct
39 Correct 9 ms 1120 KB Output is correct
40 Correct 10 ms 1116 KB Output is correct
41 Correct 9 ms 1204 KB Output is correct
42 Correct 7 ms 1144 KB Output is correct
43 Correct 8 ms 1164 KB Output is correct
44 Correct 9 ms 1108 KB Output is correct
45 Correct 9 ms 1108 KB Output is correct
46 Correct 10 ms 1180 KB Output is correct
47 Correct 4 ms 340 KB Output is correct
48 Correct 15 ms 1352 KB Output is correct
49 Correct 5 ms 340 KB Output is correct
50 Correct 12 ms 1184 KB Output is correct
51 Correct 8 ms 1248 KB Output is correct
52 Correct 2 ms 340 KB Output is correct
53 Correct 7 ms 1112 KB Output is correct
54 Correct 10 ms 1108 KB Output is correct
55 Correct 10 ms 1088 KB Output is correct
56 Correct 10 ms 1108 KB Output is correct
57 Correct 10 ms 1112 KB Output is correct