Submission #483338

#	Time	Username	Problem	Language	Result	Execution time	Memory
483338		MOUF_MAHMALAT	Lottery (CEOI18_lot)	C++14	45 / 100	3078 ms	600 KiB

lot

#include<bits/stdc++.h>
#define all(s) s.begin(),s.end()
#define F first
#define S second
using namespace std;
typedef int ll;
const ll mod=1e9+7;
ll n,l,q,o,a[10001],c[10001],x,ans,sz[10001];
map<ll,ll>mp;
vector<vector<ll> >v;
int main()
{
    scanf("%d%d",&n,&l);
    for(ll i=0; i<n; i++)
    {
        scanf("%d",&a[i]);
        if(!mp[a[i]])
            mp[a[i]]=++o;
        a[i]=mp[a[i]];
    }
    mp.clear();
    v.resize(o+1);
    for(ll i=0; i<n; i++)
        v[a[i]].push_back(i),sz[a[i]]++;
    scanf("%d",&q);
    while(q--)
    {
        scanf("%d",&x);
        x=l-x;
        for(ll i=0; i+l-1<n; i++)
        {
            ans=0;
            memset(c,0,sizeof c);
            for(ll j=i; j<i+l; j++)
                for(ll k=0; k<sz[a[j]]; k++)
                {
                    if(v[a[j]][k]-j+i>=0)
                        c[v[a[j]][k]-j+i]++;
                }
            for(ll j=0; j+l-1<n; j++)
                if(i!=j)
                    ans+=(c[j]>=x);
            printf("%d ",ans);
        }
        printf("\n");
    }
    return 0;
}

Compilation message (stderr)

lot.cpp: In function 'int main()':
lot.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     scanf("%d%d",&n,&l);
      |     ~~~~~^~~~~~~~~~~~~~
lot.cpp:16:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |         scanf("%d",&a[i]);
      |         ~~~~~^~~~~~~~~~~~
lot.cpp:25:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |     scanf("%d",&q);
      |     ~~~~~^~~~~~~~~
lot.cpp:28:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |         scanf("%d",&x);
      |         ~~~~~^~~~~~~~~

• Subtask 1: 25 / 25
• Subtask 2: 20 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20