oj.uz

Submission #682785

# Submission time Handle Problem Language Result Execution time Memory
682785 2023-01-17T02:40:18 Z Paul_Liao_1457 Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
 78 ms 130912 KB 
//記得跳題
#include<iostream>
#include<array>
#include<vector>
#include<string>
#include<algorithm>
#include<set>
#include<queue>
#include<stack>
#include<math.h>
#include<map>
#include<unordered_map>
#include<cstring>
#include<iomanip>
#include<bitset>
#include<tuple>
 
#define ll long long
#define LL __int128_t
#define DB double
#define FOR(i,a,b) for(int i=a;i<b;i++)
#define REP(i,a,b) for(int i=a;i>=b;i--)
#define pb push_back
#define mp make_pair
#define INF (ll)(2e9)
#define MOD (ll)(1e9+7)
#define F first
#define S second
#define endl "\n"
#define AC ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
 
using namespace std;

template<class T> using PQ=priority_queue<T,vector<T>,less<T> >;

void file(){
    freopen("/Users/liaoyunyang/Desktop/meta_in.txt","r",stdin);
    freopen("/Users/liaoyunyang/Desktop/meta_out.txt","w",stdout);
}

/*int s[200005],seg[800005];

void build(int id,int l,int r){
    if(l==r){
        seg[id]=s[l]; return;
    }
    int mid=(l+r)>>1;
    build(id*2,l,mid);
    build(id*2+1,mid+1,r);
    seg[id]=max(seg[id*2],seg[id*2+1]);
}

int ask(int id,int l,int r,int L,int R){
    if(l>R||r<L) return 0;
    if(L<=l&&r<=R) return seg[id];
    int mid=(l+r)>>1;
    return max(ask(id*2,l,mid,L,R),ask(id*2+1,mid+1,r,L,R));
}
 */

ll dp[205][205][2][205],x[205],y[205],t[205];

signed main(){
    AC;
    int n,l; cin>>n>>l;
    FOR(i,1,n+1){
        cin>>x[i]; y[n-i+1]=l-x[i];
    }
    FOR(i,1,n+1) cin>>t[i];
    FOR(i,0,n+1)FOR(j,0,n+1)FOR(k,0,2)FOR(s,0,i+j+1) dp[i][j][k][s]=INF;
    dp[0][0][0][0]=dp[0][0][1][0]=0;
    int ans=0;
    FOR(i,0,n+1)FOR(j,0,n+1){
        if(i+j>n) break;
        FOR(k,0,2)FOR(s,0,min(n,i+j)+1)if(dp[i][j][k][s]!=INF){
            //cout<<"dp["<<i<<"]["<<j<<"]["<<k<<"]["<<s<<"]="<<dp[i][j][k][s]<<endl;
            ans=max(ans,s);
            if(k==0){
                if(dp[i][j][k][s]+x[i+1]-x[i]<=t[i+1]){
                    dp[i+1][j][k][s+1]=min(dp[i+1][j][k][s+1],dp[i][j][k][s]+x[i+1]-x[i]);
                }
                else{
                    dp[i+1][j][k][s]=min(dp[i+1][j][k][s],dp[i][j][k][s]+x[i+1]-x[i]);
                }
                if(dp[i][j][k][s]+y[j+1]+x[i]<=t[n-j]){
                    dp[i][j+1][k^1][s+1]=min(dp[i][j+1][k^1][s+1],dp[i][j][k][s]+y[j+1]+x[i]);
                }
                else{
                    dp[i][j+1][k^1][s]=min(dp[i][j+1][k^1][s],dp[i][j][k][s]+y[j+1]+x[i]);
                }
            }
            else{
                if(dp[i][j][k][s]+x[i+1]+y[j]<=t[i+1]){
                    dp[i+1][j][k^1][s+1]=min(dp[i+1][j][k^1][s+1],dp[i][j][k][s]+x[i+1]+y[j]);
                }
                else{
                    dp[i+1][j][k^1][s]=min(dp[i+1][j][k^1][s],dp[i][j][k][s]+x[i+1]+y[j]);
                }
                if(dp[i][j][k][s]+y[j+1]-y[j]<=t[n-j]){
                    dp[i][j+1][k][s+1]=min(dp[i][j+1][k][s+1],dp[i][j][k][s]+y[j+1]-y[j]);
                }
                else{
                    dp[i][j+1][k][s]=min(dp[i][j+1][k][s],dp[i][j][k][s]+y[j+1]-y[j]);
                }
            }
        }
    }
    cout<<ans<<endl;
}


/*

 */

Compilation message

ho_t3.cpp: In function 'void file()':
ho_t3.cpp:37:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |     freopen("/Users/liaoyunyang/Desktop/meta_in.txt","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ho_t3.cpp:38:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |     freopen("/Users/liaoyunyang/Desktop/meta_out.txt","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 708 KB Output is correct
9 Correct 1 ms 852 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 852 KB Output is correct
17 Correct 1 ms 852 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 708 KB Output is correct
9 Correct 1 ms 852 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 852 KB Output is correct
17 Correct 1 ms 852 KB Output is correct
18 Correct 1 ms 1108 KB Output is correct
19 Correct 1 ms 724 KB Output is correct
20 Correct 1 ms 852 KB Output is correct
21 Correct 1 ms 1108 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 1 ms 1108 KB Output is correct
24 Correct 1 ms 972 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct
26 Correct 1 ms 1108 KB Output is correct
27 Correct 1 ms 584 KB Output is correct
28 Correct 1 ms 596 KB Output is correct
29 Correct 1 ms 1096 KB Output is correct
30 Correct 1 ms 1224 KB Output is correct
31 Correct 1 ms 1108 KB Output is correct
32 Correct 1 ms 980 KB Output is correct
33 Correct 1 ms 1108 KB Output is correct
34 Correct 1 ms 1108 KB Output is correct
35 Correct 1 ms 1092 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 708 KB Output is correct
9 Correct 1 ms 852 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 852 KB Output is correct
17 Correct 1 ms 852 KB Output is correct
18 Correct 52 ms 105120 KB Output is correct
19 Correct 34 ms 63864 KB Output is correct
20 Correct 16 ms 34156 KB Output is correct
21 Correct 30 ms 60248 KB Output is correct
22 Correct 47 ms 78028 KB Output is correct
23 Correct 17 ms 28996 KB Output is correct
24 Correct 11 ms 22764 KB Output is correct
25 Correct 14 ms 28372 KB Output is correct
26 Correct 5 ms 10964 KB Output is correct
27 Correct 17 ms 29652 KB Output is correct
28 Correct 11 ms 21220 KB Output is correct
29 Correct 15 ms 30292 KB Output is correct
30 Correct 15 ms 23884 KB Output is correct
31 Correct 13 ms 28372 KB Output is correct
32 Correct 7 ms 14932 KB Output is correct
33 Correct 14 ms 28480 KB Output is correct
34 Correct 5 ms 10196 KB Output is correct
35 Correct 13 ms 27988 KB Output is correct
36 Correct 8 ms 13256 KB Output is correct
37 Correct 14 ms 29652 KB Output is correct
38 Correct 9 ms 16340 KB Output is correct
39 Correct 14 ms 30932 KB Output is correct
40 Correct 8 ms 18108 KB Output is correct
41 Correct 66 ms 129612 KB Output is correct
42 Correct 44 ms 87344 KB Output is correct
43 Correct 67 ms 129524 KB Output is correct
44 Correct 40 ms 86316 KB Output is correct
45 Correct 67 ms 129600 KB Output is correct
46 Correct 48 ms 87384 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 1 ms 596 KB Output is correct
4 Correct 0 ms 468 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 708 KB Output is correct
9 Correct 1 ms 852 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 852 KB Output is correct
14 Correct 1 ms 468 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 852 KB Output is correct
17 Correct 1 ms 852 KB Output is correct
18 Correct 1 ms 1108 KB Output is correct
19 Correct 1 ms 724 KB Output is correct
20 Correct 1 ms 852 KB Output is correct
21 Correct 1 ms 1108 KB Output is correct
22 Correct 1 ms 596 KB Output is correct
23 Correct 1 ms 1108 KB Output is correct
24 Correct 1 ms 972 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct
26 Correct 1 ms 1108 KB Output is correct
27 Correct 1 ms 584 KB Output is correct
28 Correct 1 ms 596 KB Output is correct
29 Correct 1 ms 1096 KB Output is correct
30 Correct 1 ms 1224 KB Output is correct
31 Correct 1 ms 1108 KB Output is correct
32 Correct 1 ms 980 KB Output is correct
33 Correct 1 ms 1108 KB Output is correct
34 Correct 1 ms 1108 KB Output is correct
35 Correct 1 ms 1092 KB Output is correct
36 Correct 52 ms 105120 KB Output is correct
37 Correct 34 ms 63864 KB Output is correct
38 Correct 16 ms 34156 KB Output is correct
39 Correct 30 ms 60248 KB Output is correct
40 Correct 47 ms 78028 KB Output is correct
41 Correct 17 ms 28996 KB Output is correct
42 Correct 11 ms 22764 KB Output is correct
43 Correct 14 ms 28372 KB Output is correct
44 Correct 5 ms 10964 KB Output is correct
45 Correct 17 ms 29652 KB Output is correct
46 Correct 11 ms 21220 KB Output is correct
47 Correct 15 ms 30292 KB Output is correct
48 Correct 15 ms 23884 KB Output is correct
49 Correct 13 ms 28372 KB Output is correct
50 Correct 7 ms 14932 KB Output is correct
51 Correct 14 ms 28480 KB Output is correct
52 Correct 5 ms 10196 KB Output is correct
53 Correct 13 ms 27988 KB Output is correct
54 Correct 8 ms 13256 KB Output is correct
55 Correct 14 ms 29652 KB Output is correct
56 Correct 9 ms 16340 KB Output is correct
57 Correct 14 ms 30932 KB Output is correct
58 Correct 8 ms 18108 KB Output is correct
59 Correct 66 ms 129612 KB Output is correct
60 Correct 44 ms 87344 KB Output is correct
61 Correct 67 ms 129524 KB Output is correct
62 Correct 40 ms 86316 KB Output is correct
63 Correct 67 ms 129600 KB Output is correct
64 Correct 48 ms 87384 KB Output is correct
65 Correct 59 ms 117072 KB Output is correct
66 Correct 54 ms 107380 KB Output is correct
67 Correct 61 ms 102736 KB Output is correct
68 Correct 48 ms 94904 KB Output is correct
69 Correct 59 ms 115816 KB Output is correct
70 Correct 57 ms 110920 KB Output is correct
71 Correct 57 ms 112192 KB Output is correct
72 Correct 59 ms 113420 KB Output is correct
73 Correct 61 ms 105052 KB Output is correct
74 Correct 50 ms 98284 KB Output is correct
75 Correct 54 ms 108644 KB Output is correct
76 Correct 73 ms 124528 KB Output is correct
77 Correct 63 ms 124464 KB Output is correct
78 Correct 51 ms 95956 KB Output is correct
79 Correct 51 ms 99344 KB Output is correct
80 Correct 68 ms 122028 KB Output is correct
81 Correct 51 ms 100548 KB Output is correct
82 Correct 54 ms 106272 KB Output is correct
83 Correct 68 ms 129548 KB Output is correct
84 Correct 56 ms 110924 KB Output is correct
85 Correct 64 ms 120768 KB Output is correct
86 Correct 68 ms 118304 KB Output is correct
87 Correct 56 ms 108620 KB Output is correct
88 Correct 78 ms 130912 KB Output is correct
89 Correct 68 ms 130912 KB Output is correct
90 Correct 50 ms 109744 KB Output is correct
91 Correct 70 ms 130872 KB Output is correct
92 Correct 69 ms 130824 KB Output is correct
93 Correct 66 ms 128436 KB Output is correct