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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#285559#5259. Skills in Pillslight_ink_dots#WA 4ms58128kbC++142.2kb2023-12-16 20:18:222023-12-16 20:18:22

Judging History

你现在查看的是最新测评结果

  • [2023-12-16 20:18:22]
  • 评测
  • 测评结果:WA
  • 用时:4ms
  • 内存:58128kb
  • [2023-12-16 20:18:22]
  • 提交

answer

#include<iostream>
#include<cstring>
#include<algorithm>
#include<cassert>
#include<vector>
using namespace std;

int n,k,j;
int prek,prej;
int res[5][2000000];
pair<int,int> Answ(int p1,int p2){
    prek=p1,prej=p2;
    int ed=0;
    int ans=0;
    int fl=0;
    if(p1==1&&p2==2) fl=0;
    else if(p1==2&&p2==1) fl=1;
    else fl=2;
    for(int i=2;i<=n;i++){
        if(i-prek==k&&i-prej==j){
            ed=i;break;
        }
        if(i-prek==k) prek=i,ans++;
        if(i-prej==j) prej=i,ans++;
        res[fl][i-2]=ans;
    }
    //2->ed
    return make_pair(ed-2,ans);
}
// int dp[200][100][100];
int dp[2000000][2];
int main(){
    cin>>k>>j>>n;
    // memset(dp,63,sizeof(dp));
    // dp[0][0][0]=0;
    // for(int i=1;i<=n;i++){
    //     for(int a=0;a<j;a++){
    //         for(int b=0;b<k;b++){
    //             //not choose
    //             dp[i][a+1][b+1]=min(dp[i][a+1][b+1],dp[i-1][a][b]);
    //             dp[i][0][b+1]=min(dp[i][0][b+1],dp[i-1][a][b]+1);
    //             dp[i][a+1][0]=min(dp[i][a+1][0],dp[i-1][a][b]+1);
    //         }
    //     }
    // }
    // int mins=1e9;
    // for(int a=0;a<j;a++){
    //     for(int b=0;b<k;b++) {
    //         mins=min(mins,dp[n][a][b]);
    //         // if(mins==15) cerr<<
    //     }
    // }
    // cerr<<"? "<<mins<<endl;
    memset(res,63,sizeof(res));
    int fir=1ll*k*j/__gcd(k,j);
    if(1ll*k*j/__gcd(k,j)>n){
        auto[a,b]=Answ(0,0);
        assert(a==-2);
        cout<<b<<'\n';return 0;
    }
    auto[L0,w0]=Answ(2,2);
    auto[L1,w1]=Answ(1,2);
    auto[L2,w2]=Answ(2,1);
    memset(dp,63,sizeof(dp));
    cerr<<"?? "<<L0<<" "<<w0<<endl;
    dp[L0][0]=dp[L0][1]=2+w0;
    for(int i=fir;i<=n;i++){
        dp[i+L1][0]=min(dp[i+L1][0],dp[i][0]+w1+2);
        dp[i+L1][1]=min(dp[i+L1][1],dp[i][0]+w1+2);
        dp[i+L2][0]=min(dp[i+L2][0],dp[i][0]+w2+2);
        dp[i+L2][1]=min(dp[i+L2][1],dp[i][0]+w2+2);
        // dp[i+L1][0]=min(dp[i+L1][0],dp[i][0]+w1);
    }
    int ans=1e9;
    // cerr<<"?? "
    for(int i=1;i<=n;i++){
        ans=min(ans,dp[i][0]+res[0][n-i]);
        ans=min(ans,dp[i][1]+res[1][n-i]);
    }
    cout<<ans;
}
//3 5 28
// /2 3 8

Details

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Test #1:

score: 100
Accepted
time: 0ms
memory: 58120kb

input:

3 9 20

output:

8

result:

ok single line: '8'

Test #2:

score: 0
Accepted
time: 4ms
memory: 58128kb

input:

8 2 12

output:

7

result:

ok single line: '7'

Test #3:

score: 0
Accepted
time: 0ms
memory: 58068kb

input:

2 5 15

output:

10

result:

ok single line: '10'

Test #4:

score: 0
Accepted
time: 3ms
memory: 42460kb

input:

10 8 13

output:

2

result:

ok single line: '2'

Test #5:

score: 0
Accepted
time: 3ms
memory: 58120kb

input:

6 6 19

output:

6

result:

ok single line: '6'

Test #6:

score: 0
Accepted
time: 0ms
memory: 42456kb

input:

2 3 5

output:

3

result:

ok single line: '3'

Test #7:

score: 0
Accepted
time: 3ms
memory: 58124kb

input:

4 2 8

output:

6

result:

ok single line: '6'

Test #8:

score: -100
Wrong Answer
time: 3ms
memory: 58120kb

input:

5 5 5

output:

1000000000

result:

wrong answer 1st lines differ - expected: '2', found: '1000000000'