oj.uz

답안 #413200

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
413200 2021-05-28T11:05:30 Z BJoozz 비스킷 담기 (IOI20_biscuits) C++14
100 / 100
 148 ms 968 KB 
#include "biscuits.h"
#define X first
#define Y second
#define pb push_back
#include<bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
int randint(int l,int r){
    return uniform_int_distribution < int > (l,r) (rng);
}
///shuffle(a.begin(), a.end(), rng)
#define int long long
const int MAX=63+4,inf=1e16,M2=5e5+3;
void maxx(int &a,int b){if(b>a) a=b;}
void minn(int &a,int b){if(b<a) a=b;}
template <class X, class Y>
bool cmin(X &a, const Y &b) {
    return a > b ? a = b, 1 : 0;
}
bool cmax(int &a,int b){
    if(b>a){a=b;return 1;} else return 0;
}
typedef pair < int, int > ii;
void PL(int &a,int b){a+=b;}

int sum[63],lim[63];
bool B[63][63];
bool open[MAX];
int now[MAX];
int dp[MAX][MAX];
bool cmp(int u,int v){
    return now[u]>now[v];
}
long long count_tastiness(long long x, std::vector<long long> a) {
    memset(dp,0,sizeof dp);
    memset(now,0,sizeof now);
    while(a.size()<60) a.pb(0);
    int n=a.size();
    sum[0]=a[0];
    lim[0]=a[0]/x;
    lim[0]=min(lim[0],(1LL<<(0+1))-1);
    //for(int i=0;i<n;i++)bit[i]=1;
    for(int j=0;j<n;j++)B[0][j]=((lim[0]&(1LL<<j))!=0);
    for(int i=1;i<n;i++){
        sum[i]=sum[i-1]+(a[i]<<i);
        lim[i]=sum[i]/x;
        //if(lim[i]<(1LL<<i)){bit[i]=0;}
        lim[i]=min(lim[i],(1LL<<(i+1))-1);
        for(int j=0;j<n;j++)B[i][j]=((lim[i]&(1LL<<j))!=0);
    }

    vector < int > vec;
    for(int i=0;i<n;i++) vec.pb(i);
    dp[0][n]=1;
    //return 0;
    for(int i=0;i<n;i++){
        //cout<<sum[i]<<' '<<lim[i]<<'\n';
        //vec=V;
        //V.clear();
        memset(open,0,sizeof open);
        int sz=vec.size();
        //cout<<sz<<' '<<n<<'\n';
        for(int j=0;j<=sz;j++){

            if(dp[i][j]){
                ///(i)==0
                int num=0,dem=0;
                for(int k=i;k<n;k++)
                {
                    int z=open[k];
                    if(B[k][i])z=1;
                    num|=(z<<k);
                    dem+=z;
                }
                if(num&(1LL<<i)){
                    PL(dp[i+1][dem-1],dp[i][j]);
                }
            }
            if(dp[i][j]){
                ///(i)==1
                int num=0,dem=0;
                for(int k=i;k<n;k++)
                {
                    int z=open[k];
                    if(!B[k][i])z=0;
                    num|=(z<<k);
                    dem+=z;
                }
                if(num&(1LL<<i)){
                    PL(dp[i+1][dem-1],dp[i][j]);
                }
            }

            if(j<sz)open[vec[j]]=1;
        }
        vec.erase(find(vec.begin(),vec.end(),i));
        for(int j=0;j<n;j++)if(B[j][i]) now[j]|=(1LL<<i);
        sort(vec.begin(),vec.end(),cmp);
    }
    //cout<<dp[n][0]<<'\n';
	return dp[n][0];
}

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 2 ms 332 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 344 KB Output is correct
13 Correct 2 ms 332 KB Output is correct

Subtask #4
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 48 ms 388 KB Output is correct
2 Correct 103 ms 840 KB Output is correct
3 Correct 102 ms 864 KB Output is correct
4 Correct 102 ms 844 KB Output is correct
5 Correct 103 ms 852 KB Output is correct
6 Correct 142 ms 968 KB Output is correct
7 Correct 136 ms 844 KB Output is correct
8 Correct 130 ms 856 KB Output is correct
9 Correct 124 ms 844 KB Output is correct
10 Correct 119 ms 856 KB Output is correct

Subtask #5
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 332 KB Output is correct
11 Correct 1 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 2 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 2 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 2 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 2 ms 332 KB Output is correct
34 Correct 2 ms 332 KB Output is correct
35 Correct 2 ms 344 KB Output is correct
36 Correct 2 ms 332 KB Output is correct
37 Correct 48 ms 388 KB Output is correct
38 Correct 103 ms 840 KB Output is correct
39 Correct 102 ms 864 KB Output is correct
40 Correct 102 ms 844 KB Output is correct
41 Correct 103 ms 852 KB Output is correct
42 Correct 142 ms 968 KB Output is correct
43 Correct 136 ms 844 KB Output is correct
44 Correct 130 ms 856 KB Output is correct
45 Correct 124 ms 844 KB Output is correct
46 Correct 119 ms 856 KB Output is correct
47 Correct 50 ms 332 KB Output is correct
48 Correct 56 ms 852 KB Output is correct
49 Correct 52 ms 408 KB Output is correct
50 Correct 56 ms 756 KB Output is correct
51 Correct 55 ms 860 KB Output is correct
52 Correct 42 ms 504 KB Output is correct
53 Correct 53 ms 716 KB Output is correct
54 Correct 148 ms 840 KB Output is correct
55 Correct 142 ms 844 KB Output is correct
56 Correct 128 ms 844 KB Output is correct
57 Correct 119 ms 848 KB Output is correct