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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#712572#7624. Mystery of Prime_lntanoWA 1ms5700kbC++202.0kb2024-11-05 16:12:312024-11-05 16:12:32

Judging History

你现在查看的是最新测评结果

  • [2024-11-05 16:12:32]
  • 评测
  • 测评结果:WA
  • 用时:1ms
  • 内存:5700kb
  • [2024-11-05 16:12:31]
  • 提交

answer

#include<bits/stdc++.h>
#define int long long
#define inf 0x3f3f3f3f3f3f3f 
#define GG ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define cnot cout<<"NO"<<"\n"
#define cyes cout<<"YES"<<"\n"
#define pb push_back
#define x0 first
#define y0 second
#define mem(a,b) memset(a,b,sizeof(a))
using namespace std;
typedef pair<int,string>Pis;
typedef pair<int,int>Pii;
const int N=2e5+10,mod=1e9+7,M=1e6+10;
int dp[N][20];
int a[N];
int check(int x){
    if(x==2)return 1;
    for(int i=2;i*i<=x;i++){
        if(x%i==0){
            return 0;
        }
    }
    return 1;
}
void solve(){
   int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
      for(int i=0;i<=n;i++){
        for(int j=0;j<=18;j++){
        dp[i][j]=inf;
        }
    }
   dp[1][0]=0;
    dp[1][1]=1;
    dp[1][2]=1;
    dp[1][3]=1;
    for(int i=2;i<=n;i++){ 
        if(check(a[i]+a[i-1])){
            dp[i][0]=min(dp[i-1][0],dp[i][0]);
        }
        if(check(a[i]+1)){
            dp[i][0]=min(dp[i][0],dp[i-1][1]+1);
        }
        if(a[i]%2==0){
          dp[i][0]=min({dp[i-1][3],dp[i][0]});
        }
        else {
           dp[i][0]=min({dp[i-1][2],dp[i][0]});
        }
        if(a[i-1]%2==1){
            dp[i][2]=min(dp[i-1][0]+1,dp[i][2]);
        }
        else {
            if(check(a[i-1]+1)){
                dp[i][1]=min(dp[i-1][0]+1,dp[i][1]);
            }
            dp[i][3]=min(dp[i-1][0]+1,dp[i][3]);
        }
        if(a[i]==1){
            dp[i][0]=min(dp[i][0],dp[i-1][1]);
            dp[i][1]=min(dp[i][1],dp[i][0]);
            dp[i][0]=min(dp[i][1],dp[i][0]);
        }
        dp[i][2]=min({dp[i][2],dp[i-1][1]+1,dp[i-1][3]+1});
        dp[i][1]=min({dp[i-1][2]+1,dp[i][1],dp[i-1][1]+1});
        dp[i][3]=min(dp[i-1][2]+1,dp[i][3]);
    }
    int ans=inf;
        ans=min({ans,dp[n][0],dp[n][1],dp[n][2],dp[n][3]});
        cout<<ans;
    

}
signed main(){
    GG;

    int _t=1;
    //cin>>_t;
    while(_t--){
        solve();
    }
    
}

详细

Test #1:

score: 100
Accepted
time: 1ms
memory: 5700kb

input:

6
1 5 1 4 4 1

output:

2

result:

ok 1 number(s): "2"

Test #2:

score: 0
Accepted
time: 1ms
memory: 5620kb

input:

9
30 6 7 12 15 8 20 17 14

output:

4

result:

ok 1 number(s): "4"

Test #3:

score: -100
Wrong Answer
time: 1ms
memory: 3844kb

input:

1568
119 519 706 1003 1317 322 25 1466 816 525 1 1122 38 1511 774 515 274 780 647 230 1602 1051 810 1 1 1232 1 1202 1583 412 1111 168 309 1181 184 1260 491 764 809 1213 804 1470 1 1087 1235 1004 673 1338 1333 1392 1036 1539 268 1 712 727 297 404 1317 36 463 1067 1133 693 931 46 1 100 1608 965 1 1406...

output:

745

result:

wrong answer 1st numbers differ - expected: '733', found: '745'