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#include<cstdio>
#include<algorithm>
#define Open(x) freopen(#x".in","r",stdin);freopen(#x".out","w",stdout);
using namespace std;
const int N=5e6+5;
const int M=105;
const int inf=2e9;
int l,r,p,ans,tot,cnt,prime[M/3],a[N],g[N];
bool check[M],f[N];
void prepare(){
    for(int i=2;i<=p;i++){
        if(!check[i]) prime[++tot]=i;
        for(int j=1;j<=tot&&i*prime[j]<=p;j++){
            check[i*prime[j]]=1;
            if(!(i%prime[j])) break;
        }
    }
}
void dfs(int cur,int val){
    if(cur>tot){
        a[++cnt]=val;
        return ;
    }
    dfs(cur+1,val);
    while(1LL*val*prime[cur]<=r){
        val*=prime[cur];
        dfs(cur+1,val);
    }
}
int main(){
    Open(calc)
    scanf("%d%d%d",&l,&r,&p);
    prepare();
    dfs(1,1);
    sort(a+1,a+cnt+1);
    for(int i=2;i<=cnt;i++) g[i]=inf;
    f[1]=1;g[1]=0;
    for(int i=2,n=a[cnt];i<p;i++){
        int k=1;
        for(int j=1;a[j]*i<=n;j++){
            while(a[k]<a[j]*i) k++;
            g[k]=min(g[k],g[j]+1);
            f[k]|=g[k]+i<=p;
        }
    }
    for(int i=1;i<=cnt;i++) if(a[i]>=l&&f[i]) ans++;
    printf("%d\n",ans);
    return 0;
}

 

#include<cstdio>
#include<cstring>
#define Open(x) freopen(#x".in","r",stdin);freopen(#x".out","w",stdout);
using namespace std;
const int N=1e5+5;
int n,m,p,ans,len1,len2,g[N],fail[N];
int s1[N],s2[N];
int S1[N],S2[N];
inline int read(){
    int x=0,f=1;char ch=getchar();
    while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
    while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
    return x*f;
}
inline void get_fail(){
    int p=0;fail[1]=0;
    for(int i=2;i<=len2;i++){
        while(p>0&&s2[i]!=s2[p+1]) p=fail[p];
        if(s2[i]==s2[p+1]) p++;
        fail[i]=p;
    }
}
inline void kmp(){
    int p=0;
    for(int i=1;i<=len1;i++){
        while(p>0&&s1[i]!=s2[p+1]) p=fail[p];
        if(s1[i]==s2[p+1]) p++;
        if(p==len2){
            g[++ans]=i-len2+1;
            p=fail[p];
        }
    }
}
void deal(int n,int *S,int *s){
    for(int i=1;i<n;i++){
        if(S[i+1]>S[i]) s[i]=2;
        if(S[i+1]==S[i]) s[i]=1;
        if(S[i+1]<S[i]) s[i]=0;
    }
}
int main(){
    Open(pat);
    n=read();m=read();p=read();
    len1=n-1;len2=m-1;
    if(n<m){puts("0");return 0;}
    if(m==1){
        printf("%d\n",n);
        for(int i=1;i<=n;i++) printf("%d\n",i);
        return 0;
    }
    for(int i=1;i<=n;i++) S1[i]=read();
    for(int i=1;i<=m;i++) S2[i]=read();
    deal(n,S1,s1);
    deal(m,S2,s2);
    get_fail();
    kmp();
    printf("%d\n",ans);
    for(int i=1;i<=ans;i++) printf("%d\n",g[i]);
    return 0;
}

 

#include<cstdio>
#define min(a,b) (a<b?a:b)
#define Open(x) freopen(#x".in","r",stdin);freopen(#x".out","w",stdout);
using namespace std;
const int N=3e5+5;
int n,m,t,a[N],f[N];
inline int read(){
    int x=0,f=1;char ch=getchar();
    while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
    while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
    return x*f;
}
int main(){
    Open(array);
    n=read();m=read();t=read();
    for(int i=1;i<=n;i++) a[i]=read();
    //first:all f[i]=0
    //f[i]:length of lis that val<=i
    for(int i=1;i<=min(m,t);i++){
        for(int j=1;j<=n;j++){
            for(int k=a[j];k<=m;k++){
                if(f[k]<f[a[j]-1]+1){
                    f[k]=f[a[j]-1]+1;
                }
                else break;
            }
        }
    }
    printf("%d\n",f[m]);
    return 0;
}