Submission #1000277

#	Time	Username	Problem	Language	Result	Execution time	Memory
1000277		modwwe	Marathon Race 2 (JOI24_ho_t3)	C++17	0 / 100	3 ms	10844 KiB

Main

///https://www.instagram.com/_modwwe/
#include<bits/stdc++.h>
//#define int long long
//#define ll long long
#define down cout<<'\n';
#define NHP     ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
void phongbeo();
const int mod2=1e9+7;
const int  mod1=998244353;
struct icd
{
    int a,b;
};
struct ib
{
    int a;
    int b;
};
struct ic
{
    int a,b,c;
};
struct id
{
    int a,b,c,d;
};
struct ie
{
    int a,b,c, d,e,f;

};
int n,m,s1,s2,s4,s3,sf,k,r,mid,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,l;
int  i,s10,s12;
int el=29;
main()
{
#ifndef ONLINE_JUDGE
    // fin(task),fou(task);
#endif
    NHP
    /// cin>>s1;
    // modwwe
    phongbeo();
}
vector<int> v;
int c[500001];
int dp[2001][2001][2][2];
int d[500002][2];
int a[500001];
int b[500002];
void phongbeo()
{
    cin>>n>>m;
    for(int i=1; i<=n; i++)
    {
        cin>>l;
        c[l]++;
        v.pb(l);
    }
    a[0]=c[0];
    for(int i=i; i<=m; i++) a[i]=a[i-1]+c[i];
    for(int i=m; i>=1; --i)b[i]=b[i+1]+c[i];
    v.pb(-1);
    sort(v.begin(),v.end());
    v.erase(unique(v.begin(),v.end()),v.end());
    n=v.size();
    if(n<=2000)
    {
        for(int i=0; i<=n; i++)
            for(int j=n+1; j>i; --j)
                for(int f2=0; f2<=1; f2++)
                    for(int f=0; f<=1; f++)
                        dp[i][j][f2][f]=1e9;
        dp[0][n][1][1]=0;
        dp[1][n+1][0][0]=0;
        for(int i=0; i<=n; i++)
            for(int j=n+1; j>i; --j)
                for(int f2=0; f2<=1; f2++)
                {
                    if(i+1<j)
                        dp[i+1][j][0][f2]=min((v[i+1]-v[i])*(b[j]+a[i])+dp[i][j][0][f2],dp[i+1][j][0][f2]),
                                          dp[i+1][j][0][f2]=min(dp[i+1][j][0][f2],dp[i][j][1][f2]+(v[j]-v[i+1])*(b[j]+a[i]));
                    if(j-1>i)
                        dp[i][j-1][1][f2]=min((v[j]-v[j-1])*(b[j]+a[i])+dp[i][j][1][f2],dp[i][j-1][1][f2]),
                                          dp[i][j-1][1][f2]=min(dp[i][j-1][1][f2],dp[i][j][0][f2]+(b[j]+a[i])*(v[j-1]-v[i]));
                }

        for(int i=0; i<=m+1; i++)
            for(int f=0; f<=1; ++f)
                d[i][f]=1e9;

        for(int i=0; i<=n; i++)
            for(int f=0; f<=1; ++f)
                for(int f2=0; f2<=1; ++f2)
                {
                    if(dp[i][i+1][f][f2]<=1e6)
                    {
                        d[v[i+f]][f2]=dp[i][i+1][f][f2];
                    }
                }
        for(int i=1; i<=m; i++)
            for(int f=0; f<=1; ++f)
                d[i][f]=min(d[i-1][f]+n+1,d[i][f]);
        for(int i=m; i>=0; --i)
            for(int f=0; f<=1; ++f)
                d[i][f]=min(d[i+1][f]+n+1,d[i][f]);
    }
    cin>>m;
    while(m--)
    {
        cin>>l>>r>>s2;
        if(n>2000)
        {
            cout<<"No",down
        }
        else
        {
            s5=min(d[r][0]+abs(v[1]-l),d[r][1]+abs(v[n]-l));
            if(s5+n<=s2) cout<<"Yes",down
                                 else cout<<"No",down
                }
    }
}

Compilation message (stderr)

Main.cpp:44:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   44 | main()
      | ^~~~
Main.cpp: In function 'void phongbeo()':
Main.cpp:70:13: warning: 'i' is used uninitialized in this function [-Wuninitialized]
   70 |     for(int i=i; i<=m; i++) a[i]=a[i-1]+c[i];
      |             ^

• Subtask 1: 0 / 7
• Subtask 2: 0 / 7
• Subtask 3: 0 / 10
• Subtask 4: 0 / 28
• Subtask 5: 0 / 10
• Subtask 6: 0 / 19
• Subtask 7: 0 / 19