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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#197343#3994. Easy JumpCharlieVinnieWA 0ms4080kbC++172.0kb2023-10-02 14:49:422023-10-02 14:49:43

Judging History

你现在查看的是最新测评结果

  • [2023-10-02 14:49:43]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:4080kb
  • [2023-10-02 14:49:42]
  • 提交

answer

#include "bits/stdc++.h"
#ifdef DEBUG
#include "PrettyDebug.hpp"
#else
#define debug(...)
#endif
#define For(i,a,b) for(int i=a;i<=b;i++)
#define Rev(i,a,b) for(int i=a;i>=b;i--)
#define Fin(file) freopen(file,"r",stdin)
#define Fout(file) freopen(file,"w",stdout)
#define assume(expr) ((!!(expr))||(exit((fprintf(stderr,"Assumption Failed: %s on Line %d\n",#expr,__LINE__),-1)),false))
#define range basic_string_view
using namespace std; typedef long long ll;
signed main(){
    atexit([](){cerr<<"Time = "<<clock()<<" ms"<<endl;});
    int n,H,S,K,T1,T2; cin>>n>>H>>S; vector<int> blue(n+1); vector<double> p(n+1); For(i,1,n) cin>>p[i],p[i]/=100;
    cin>>K; For(i,1,K) { int x; cin>>x; blue[x]=1; }; cin>>T1>>T2;
    vector f(H+1,vector(S+1,0.0));
    Rev(i,n,1){
        if(!blue[i]){
            vector g(H+1,vector(S+1,0.0));
            // For(k,0,S) g[2][k] = 1 + p[i]*f[2][k] + (1-p[i])*(g[2][k]+T2);
            For(k,0,S){
                if(k==0||T2<=T1) g[2][k] = ( 1 + p[i]*f[2][k] + (1-p[i])*T2 ) / p[i] ;
                else g[2][k] = 1 + p[i]*f[2][k] + (1-p[i])*(g[2][k-1]+T1) ;
            }
            For(j,3,H) For(k,0,S) g[j][k] = 1 + p[i]*f[j][k] + (1-p[i])*g[j-1][k] ;
            f.swap(g);
        }
        else{
            vector res(H+1,double(INFINITY));
            For(lim,2,H){
                vector g(H+1,0.0);
                g[lim] = ( 1 + p[i]*f[lim][S] + (1-p[i])*min(T1,T2) ) / p[i] ;
                For(j,1,lim-1) g[j]=g[lim]+(lim-j)*min(T1,T2);
                For(j,lim+1,H) g[j] = 1 + p[i]*f[j][S] + (1-p[i])*g[j-1] ;
                For(j,1,H) res[j]=min(res[j],g[j]);
            }
            For(j,0,H) For(k,0,S) f[j][k]=k==S?res[j]:INFINITY;
        }
    }
    cout<<setprecision(12)<<fixed<<f[H][S]<<'\n';
    return 0;
}

// START TYPING IF YOU DON'T KNOW WHAT TO DO
// STOP TYPING IF YOU DON'T KNOW WHAT YOU'RE DOING
// CONTINUE, NON-STOPPING, FOR CHARLIEVINNIE

// Started Coding On: October 02 Mon, 12 : 45 : 38

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3760kb

input:

1 2 0
50
0
1 2

output:

4.000000000000

result:

ok found '4.0000000', expected '4.0000000', error '0.0000000'

Test #2:

score: 0
Accepted
time: 0ms
memory: 3760kb

input:

2 3 1
50 50
1 1
1 3

output:

6.000000000000

result:

ok found '6.0000000', expected '6.0000000', error '0.0000000'

Test #3:

score: 0
Accepted
time: 0ms
memory: 3892kb

input:

1 6 4
75
0
64 6

output:

1.341145833333

result:

ok found '1.3411458', expected '1.3411458', error '0.0000000'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3896kb

input:

1 5 1
61
1 1
15 43

output:

2.208223196721

result:

ok found '2.2082232', expected '2.2082232', error '0.0000000'

Test #5:

score: 0
Accepted
time: 0ms
memory: 3892kb

input:

10 9 3
12 65 76 33 17 20 89 16 4 63
3 2 4 8
73 21

output:

942.414842012842

result:

ok found '942.4148420', expected '942.4148420', error '0.0000000'

Test #6:

score: 0
Accepted
time: 0ms
memory: 4080kb

input:

10 6 0
26 6 29 76 92 46 8 4 91 44
1 4
17 6

output:

401.866862981977

result:

ok found '401.8668630', expected '401.8668630', error '0.0000000'

Test #7:

score: -100
Wrong Answer
time: 0ms
memory: 3964kb

input:

100 3 5
85 59 20 75 58 42 79 95 22 15 95 81 69 73 45 42 99 93 58 8 18 34 88 14 23 37 87 16 96 17 40 58 32 26 93 9 37 15 68 49 99 73 48 79 16 27 52 4 66 53 48 55 27 56 52 66 25 30 34 11 97 20 38 30 4 78 17 98 4 23 30 71 87 94 89 71 45 92 72 24 90 24 78 48 62 82 30 30 27 55 64 66 41 72 53 97 59 38 80 ...

output:

inf

result:

wrong output format Expected double, but "inf" found