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Submission #223105

# Submission time Handle Problem Language Result Execution time Memory
223105 2020-04-14T18:53:25 Z MKopchev Lottery (CEOI18_lot) C++14
100 / 100
 1150 ms 8440 KB 
#include<bits/stdc++.h>
using namespace std;
const int nmax=1e4+42,qmax=1e2+5;

int n,l;
int inp[nmax];

pair<int/*k*/,int/*id*/> queries[nmax];

int where_begins[nmax];

int pref[nmax];

int output[qmax][nmax];

int original[nmax];
int q;

int main()
{
    scanf("%i%i",&n,&l);

    for(int i=1;i<=n;i++)scanf("%i",&inp[i]);

    scanf("%i",&q);
    for(int i=1;i<=q;i++)
    {
        scanf("%i",&queries[i].first);
        queries[i].second=i;

        original[i]=queries[i].first;
    }

    sort(queries+1,queries+q+1);

    for(int i=1;i<=n;i++)
        where_begins[i]=lower_bound(queries+1,queries+q+1,make_pair(i,0))-queries;

    for(int diff=1;diff<=n;diff++)
    {
        for(int i=1;i<=n;i++)pref[i]=0;

        for(int s=1;s+diff<=n;s++)
        {
            int t=s+diff;

            if(inp[s]==inp[t])continue;

            //common of [0, l-1], [-inf, s-1], [t-n+l-1,+inf]
            int i_low=max(0,t-n+l-1),i_high=min(s-1,l-1);

            //all [s-i, t-i] for i_low<=i<=i_high gain 1

            pref[s-i_high]++;
            pref[s-i_low+1]--;

            //cout<<s<<" "<<t<<" "<<i_low<<" "<<i_high<<endl;
        }

        for(int i=1;i<=n-l+1;i++)
            pref[i]=pref[i]+pref[i-1];

        for(int s=1;s+diff<=n-l+1;s++)
        {
            int t=s+diff;
            //difference between s and t is pref[s]

            int current=pref[s];

            //cout<<"distance between "<<s<<" and "<<t<<" is "<<current<<endl;

            output[where_begins[current]][s]++;
            output[where_begins[current]][t]++;
        }
    }

    for(int i=1;i<=q;i++)
        for(int j=1;j<=n;j++)
            output[i][j]+=output[i-1][j];

    for(int i=1;i<=q;i++)
    {
        for(int j=1;j<=n-l+1;j++)
        {
            if(j!=1)printf(" ");
            printf("%i",output[where_begins[original[i]]][j]);
        }
        printf("\n");
    }

    return 0;
}

Compilation message

lot.cpp: In function 'int main()':
lot.cpp:21:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%i%i",&n,&l);
     ~~~~~^~~~~~~~~~~~~~
lot.cpp:23:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i=1;i<=n;i++)scanf("%i",&inp[i]);
                          ~~~~~^~~~~~~~~~~~~~
lot.cpp:25:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%i",&q);
     ~~~~~^~~~~~~~~
lot.cpp:28:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%i",&queries[i].first);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 6 ms 512 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 512 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 6 ms 512 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 512 KB Output is correct
13 Correct 38 ms 504 KB Output is correct
14 Correct 30 ms 768 KB Output is correct
15 Correct 28 ms 640 KB Output is correct
16 Correct 37 ms 760 KB Output is correct
17 Correct 34 ms 768 KB Output is correct
18 Correct 34 ms 764 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1034 ms 576 KB Output is correct
2 Correct 1037 ms 596 KB Output is correct
3 Correct 827 ms 632 KB Output is correct
4 Correct 750 ms 668 KB Output is correct
5 Correct 391 ms 632 KB Output is correct
6 Correct 711 ms 768 KB Output is correct
7 Correct 349 ms 760 KB Output is correct
8 Correct 500 ms 632 KB Output is correct
9 Correct 744 ms 760 KB Output is correct
10 Correct 756 ms 760 KB Output is correct
11 Correct 51 ms 384 KB Output is correct
12 Correct 489 ms 604 KB Output is correct
13 Correct 461 ms 632 KB Output is correct
14 Correct 462 ms 632 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1034 ms 576 KB Output is correct
2 Correct 1037 ms 596 KB Output is correct
3 Correct 827 ms 632 KB Output is correct
4 Correct 750 ms 668 KB Output is correct
5 Correct 391 ms 632 KB Output is correct
6 Correct 711 ms 768 KB Output is correct
7 Correct 349 ms 760 KB Output is correct
8 Correct 500 ms 632 KB Output is correct
9 Correct 744 ms 760 KB Output is correct
10 Correct 756 ms 760 KB Output is correct
11 Correct 51 ms 384 KB Output is correct
12 Correct 489 ms 604 KB Output is correct
13 Correct 461 ms 632 KB Output is correct
14 Correct 462 ms 632 KB Output is correct
15 Correct 810 ms 584 KB Output is correct
16 Correct 687 ms 780 KB Output is correct
17 Correct 786 ms 704 KB Output is correct
18 Correct 769 ms 904 KB Output is correct
19 Correct 768 ms 760 KB Output is correct
20 Correct 766 ms 760 KB Output is correct
21 Correct 787 ms 640 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 6 ms 512 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 512 KB Output is correct
13 Correct 38 ms 504 KB Output is correct
14 Correct 30 ms 768 KB Output is correct
15 Correct 28 ms 640 KB Output is correct
16 Correct 37 ms 760 KB Output is correct
17 Correct 34 ms 768 KB Output is correct
18 Correct 34 ms 764 KB Output is correct
19 Correct 1034 ms 576 KB Output is correct
20 Correct 1037 ms 596 KB Output is correct
21 Correct 827 ms 632 KB Output is correct
22 Correct 750 ms 668 KB Output is correct
23 Correct 391 ms 632 KB Output is correct
24 Correct 711 ms 768 KB Output is correct
25 Correct 349 ms 760 KB Output is correct
26 Correct 500 ms 632 KB Output is correct
27 Correct 744 ms 760 KB Output is correct
28 Correct 756 ms 760 KB Output is correct
29 Correct 51 ms 384 KB Output is correct
30 Correct 489 ms 604 KB Output is correct
31 Correct 461 ms 632 KB Output is correct
32 Correct 462 ms 632 KB Output is correct
33 Correct 810 ms 584 KB Output is correct
34 Correct 687 ms 780 KB Output is correct
35 Correct 786 ms 704 KB Output is correct
36 Correct 769 ms 904 KB Output is correct
37 Correct 768 ms 760 KB Output is correct
38 Correct 766 ms 760 KB Output is correct
39 Correct 787 ms 640 KB Output is correct
40 Correct 1068 ms 2144 KB Output is correct
41 Correct 214 ms 1400 KB Output is correct
42 Correct 827 ms 2192 KB Output is correct
43 Correct 746 ms 1784 KB Output is correct
44 Correct 776 ms 1952 KB Output is correct
45 Correct 1150 ms 8312 KB Output is correct
46 Correct 225 ms 4856 KB Output is correct
47 Correct 894 ms 8440 KB Output is correct
48 Correct 847 ms 6740 KB Output is correct
49 Correct 841 ms 7288 KB Output is correct