oj.uz

답안 #437746

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
437746 2021-06-27T02:24:51 Z definitelynotmee Lottery (CEOI18_lot) C++
100 / 100
 2570 ms 8256 KB 
#include <bits/stdc++.h>
#define mp make_pair
#define mt make_tuple
#define ff first
#define ss second
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const ll INFL = (1LL<<62)-1;
const int INF = (1<<30)-1;
const int MOD = 1e9 + 7;
const int MAXN = 1e6+1;



int main(){


    int n, l;
    cin >> n >> l;
    vector<int> v(n,0);
    for(int i = 0; i < n; i++)
        cin >> v[i];

    int q;
    cin >> q;
    
    vector<pii> queries(q);
    vector<int> order(q);
    for(int i = 0; i < q; i++){
        cin >> queries[i].ff;
        queries[i].ss = i;
    }

    sort(queries.begin(),queries.end(),[&](pii& a, pii& b){
        if(a.ff == b.ff)
            return a.ss < b.ss;
        return a.ff < b.ff;
    });
    for(int i = 0; i < q; i++){
        order[queries[i].ss] = i;
    }
    vector<vector<int>> resp(q,vector<int>(n,0));

    function<void(int,int,int)> update = [&](int a, int b, int val){
        int ini = 0, fim = q;
        while(ini!=fim){
            int m = (ini+fim)>>1;
            if(queries[m].ff >= val)
                fim = m;
            else ini = m+1;
        }
        if(ini!=q){
            resp[ini][a]++;
            resp[ini][b]++;
        }
    };

    vector<int> diff(n-l+1,0);//vamos calcular a diferença do atual para todos os outros intervalos
    //base: caso do intervalo [0,l-1]
    
    for(int i = 0; i < l; i++){ // para cada membro do intervalo
        for(int j = i+1; j-i < n-l+1 ; j++){ // para cada um dos outros indices
            diff[j-i]+= v[i]!=v[j]; //adicionamos ao intervalo que corresponde àquela diferença
        }
    }

    for(int i = 1; i <= n-l; i++){ // atualizando resposta para o caso base
        update(0,i,diff[i]);
    }

    for(int i = 1; i < n-l; i++){ // recorrência
        for(int j = n-l; j > i; j--){ // para cada intervalo após o atual
            diff[j] = diff[j-1] - (v[j-1]!=v[i-1]) + (v[i+l-1]!=v[j+l-1]); 
            // [ (  ] )  [ (  ] )  quando passamos para o próximo intervalo podemos ver que toda a parte do meio já era comparada anteriormente, então só temos que mudar as bordas
            update(i,j,diff[j]);
        }
    }
    
    for(int i = 1; i < q; i++){
        for(int j = 0; j < n-l+1; j++){
            resp[i][j]+=resp[i-1][j];
        }
    }

    
    
    for(int i = 0; i < q; i++){
        for(int j = 0; j < n-l+1; j++){
            cout << resp[order[i]][j] << ' ';
        }
        cout << '\n';
    }
    return 0;

}

Subtask #1
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 216 KB Output is correct
11 Correct 2 ms 204 KB Output is correct
12 Correct 2 ms 332 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 216 KB Output is correct
11 Correct 2 ms 204 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 44 ms 352 KB Output is correct
14 Correct 21 ms 476 KB Output is correct
15 Correct 17 ms 408 KB Output is correct
16 Correct 32 ms 464 KB Output is correct
17 Correct 27 ms 460 KB Output is correct
18 Correct 27 ms 472 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 548 ms 428 KB Output is correct
2 Correct 441 ms 460 KB Output is correct
3 Correct 435 ms 460 KB Output is correct
4 Correct 425 ms 592 KB Output is correct
5 Correct 140 ms 496 KB Output is correct
6 Correct 375 ms 484 KB Output is correct
7 Correct 229 ms 484 KB Output is correct
8 Correct 416 ms 460 KB Output is correct
9 Correct 457 ms 480 KB Output is correct
10 Correct 433 ms 492 KB Output is correct
11 Correct 20 ms 332 KB Output is correct
12 Correct 226 ms 460 KB Output is correct
13 Correct 179 ms 436 KB Output is correct
14 Correct 180 ms 424 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 548 ms 428 KB Output is correct
2 Correct 441 ms 460 KB Output is correct
3 Correct 435 ms 460 KB Output is correct
4 Correct 425 ms 592 KB Output is correct
5 Correct 140 ms 496 KB Output is correct
6 Correct 375 ms 484 KB Output is correct
7 Correct 229 ms 484 KB Output is correct
8 Correct 416 ms 460 KB Output is correct
9 Correct 457 ms 480 KB Output is correct
10 Correct 433 ms 492 KB Output is correct
11 Correct 20 ms 332 KB Output is correct
12 Correct 226 ms 460 KB Output is correct
13 Correct 179 ms 436 KB Output is correct
14 Correct 180 ms 424 KB Output is correct
15 Correct 927 ms 420 KB Output is correct
16 Correct 393 ms 480 KB Output is correct
17 Correct 461 ms 484 KB Output is correct
18 Correct 432 ms 484 KB Output is correct
19 Correct 471 ms 460 KB Output is correct
20 Correct 426 ms 488 KB Output is correct
21 Correct 435 ms 460 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 216 KB Output is correct
11 Correct 2 ms 204 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 44 ms 352 KB Output is correct
14 Correct 21 ms 476 KB Output is correct
15 Correct 17 ms 408 KB Output is correct
16 Correct 32 ms 464 KB Output is correct
17 Correct 27 ms 460 KB Output is correct
18 Correct 27 ms 472 KB Output is correct
19 Correct 548 ms 428 KB Output is correct
20 Correct 441 ms 460 KB Output is correct
21 Correct 435 ms 460 KB Output is correct
22 Correct 425 ms 592 KB Output is correct
23 Correct 140 ms 496 KB Output is correct
24 Correct 375 ms 484 KB Output is correct
25 Correct 229 ms 484 KB Output is correct
26 Correct 416 ms 460 KB Output is correct
27 Correct 457 ms 480 KB Output is correct
28 Correct 433 ms 492 KB Output is correct
29 Correct 20 ms 332 KB Output is correct
30 Correct 226 ms 460 KB Output is correct
31 Correct 179 ms 436 KB Output is correct
32 Correct 180 ms 424 KB Output is correct
33 Correct 927 ms 420 KB Output is correct
34 Correct 393 ms 480 KB Output is correct
35 Correct 461 ms 484 KB Output is correct
36 Correct 432 ms 484 KB Output is correct
37 Correct 471 ms 460 KB Output is correct
38 Correct 426 ms 488 KB Output is correct
39 Correct 435 ms 460 KB Output is correct
40 Correct 1462 ms 1916 KB Output is correct
41 Correct 26 ms 1252 KB Output is correct
42 Correct 878 ms 1932 KB Output is correct
43 Correct 738 ms 1620 KB Output is correct
44 Correct 732 ms 1740 KB Output is correct
45 Correct 2570 ms 8120 KB Output is correct
46 Correct 38 ms 4556 KB Output is correct
47 Correct 1451 ms 8256 KB Output is correct
48 Correct 1093 ms 6416 KB Output is correct
49 Correct 1055 ms 7052 KB Output is correct