Submission #482572

#	Time	Username	Problem	Language	Result	Execution time	Memory
482572		Hazem	Lottery (CEOI18_lot)	C++14	45 / 100	262 ms	65540 KiB

lot

#include <bits/stdc++.h>
#define LL long long


using namespace std;

const int N = 1e4+1;
int a[N],val[N][N];
map<int,int>mp;
set<int>st;

int main(){

    int n,l;
    scanf("%d%d",&n,&l);

    for(int i=1;i<=n;i++){
        scanf("%d",&a[i]);
        st.insert(a[i]);
    }

    int cnt = 1;
    for(auto x:st)
        mp[x] = cnt++;

    for(int i=1;i<=n;i++)
        a[i] = mp[a[i]];

    for(int i=1;i<=n;i++)
        for(int j=i+1;j<=n;j++){
            if(a[i]!=a[j])continue;
            int i1 = max(1,i-l+1);
            int j1 = j-(i-i1);
            if(j1>n-l+1)continue;
            val[i1][j1]++;
            val[i+1][j+1]--;
        }

    for(int i=1;i<=n;i++)
        for(int j=1;j<=n;j++)
            val[i][j] += val[i-1][j-1];
    
    int q;
    scanf("%d",&q);

    while(q--){
        int k;
        scanf("%d",&k);
        for(int i=1;i<=n-l+1;i++){
            int ans = 0;
            for(int j=1;j<=n-l+1;j++){
                if(i==j)continue;
                if(l-val[min(i,j)][max(i,j)]<=k)ans++;
            }
            printf("%d ",ans);
        }
        puts("");
    }
}

Compilation message (stderr)

lot.cpp: In function 'int main()':
lot.cpp:15:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |     scanf("%d%d",&n,&l);
      |     ~~~~~^~~~~~~~~~~~~~
lot.cpp:18:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |         scanf("%d",&a[i]);
      |         ~~~~~^~~~~~~~~~~~
lot.cpp:44:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |     scanf("%d",&q);
      |     ~~~~~^~~~~~~~~
lot.cpp:48:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |         scanf("%d",&k);
      |         ~~~~~^~~~~~~~~

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