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답안 #431591

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
431591 2021-06-17T13:22:49 Z kimbj0709 역사적 조사 (JOI14_historical) C++14
100 / 100
 752 ms 11444 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define maxn 100050
#define sqrtn 320
#define f first
#define s second
vector<vector<pair<int,pair<int,int> > > > queries(sqrtn);
vector<int> cnt(maxn,0);
vector<int> ans(maxn,0);
vector<int> isspecial(maxn,0);
vector<int> vect1;
vector<int> compress;
int currmx = 0;
void rem(int a){
  cnt[a]--;
}
void add(int a){
  cnt[a]++;
  if(isspecial[a]==0){
    currmx = max(currmx,cnt[a]*compress[a]);
  }
}
int32_t main() {
  ios::sync_with_stdio(0);
  cin.tie(0);cout.tie(0);
  int n,m;
  cin >> n >> m;
  int input,a,b;
  for(int i=0;i<n;i++){
    cin >> input;
    vect1.push_back(input);
    compress.push_back(input);
  }
  sort(compress.begin(),compress.end());
  for(int i=0;i<n;i++){
    vect1[i] = lower_bound(compress.begin(),compress.end(),vect1[i])-compress.begin();
  }
  for(int i=0;i<m;i++){
    cin >> a >> b;
    a--,b--;
    queries[a/sqrtn].push_back({b,{a,i}});
  }
  for(int i=0;i<sqrtn;i++){
    sort(queries[i].begin(),queries[i].end());
    if(queries[i].size()==0){
      continue;
    }
    for(int j=0;j<maxn;j++){
      cnt[j] = 0;
      isspecial[j] = 0;
    }
    currmx = 0;
    int currpos = (i+1)*sqrtn-1;
    int l = 0,r = -1;
    for(int j=sqrtn*i;j<=min(n-1,currpos);j++){
      isspecial[vect1[j]] = 1;
    }
    for(int j=0;j<=min(n-1,currpos);j++){
      rem(vect1[j]);
    }
    for(auto k:queries[i]){
      for(int j=k.s.f;j<=min(n-1,currpos);j++){
        add(vect1[j]);
      }
      while(r<k.f){
        r++;
        add(vect1[r]);
      }
      int currans = currmx;
      for(int j=i*sqrtn;j<=min(n-1,currpos);j++){
        currans = max(currans,cnt[vect1[j]]*compress[vect1[j]]);
      }
      ans[k.s.s] = currans;
      for(int j=k.s.f;j<=min(n-1,currpos);j++){
        rem(vect1[j]);
      }
    }
  }
  for(int i=0;i<m;i++){
    cout << ans[i] << "\n";
  }
  
}

Compilation message

historic.cpp: In function 'int32_t main()':
historic.cpp:55:9: warning: unused variable 'l' [-Wunused-variable]
   55 |     int l = 0,r = -1;
      |         ^

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2652 KB Output is correct
2 Correct 3 ms 2636 KB Output is correct
3 Correct 3 ms 2648 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2636 KB Output is correct
6 Correct 3 ms 2688 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 2 ms 2636 KB Output is correct
10 Correct 2 ms 2688 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 2 ms 2636 KB Output is correct
13 Correct 2 ms 2668 KB Output is correct
14 Correct 3 ms 2676 KB Output is correct
15 Correct 3 ms 2636 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2652 KB Output is correct
2 Correct 3 ms 2636 KB Output is correct
3 Correct 3 ms 2648 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2636 KB Output is correct
6 Correct 3 ms 2688 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 2 ms 2636 KB Output is correct
10 Correct 2 ms 2688 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 2 ms 2636 KB Output is correct
13 Correct 2 ms 2668 KB Output is correct
14 Correct 3 ms 2676 KB Output is correct
15 Correct 3 ms 2636 KB Output is correct
16 Correct 3 ms 2636 KB Output is correct
17 Correct 3 ms 2636 KB Output is correct
18 Correct 4 ms 2764 KB Output is correct
19 Correct 8 ms 2892 KB Output is correct
20 Correct 12 ms 2964 KB Output is correct
21 Correct 16 ms 3020 KB Output is correct
22 Correct 17 ms 3044 KB Output is correct
23 Correct 16 ms 3020 KB Output is correct
24 Correct 15 ms 3048 KB Output is correct
25 Correct 21 ms 3052 KB Output is correct
26 Correct 18 ms 3076 KB Output is correct
27 Correct 18 ms 3076 KB Output is correct
28 Correct 18 ms 3092 KB Output is correct
29 Correct 18 ms 3148 KB Output is correct
30 Correct 22 ms 3076 KB Output is correct
31 Correct 16 ms 3020 KB Output is correct
32 Correct 16 ms 3092 KB Output is correct
33 Correct 18 ms 3084 KB Output is correct
34 Correct 20 ms 3020 KB Output is correct
35 Correct 16 ms 3020 KB Output is correct

Subtask #3
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2636 KB Output is correct
3 Correct 3 ms 2688 KB Output is correct
4 Correct 3 ms 2636 KB Output is correct
5 Correct 5 ms 2764 KB Output is correct
6 Correct 5 ms 2764 KB Output is correct
7 Correct 8 ms 3028 KB Output is correct
8 Correct 8 ms 3020 KB Output is correct
9 Correct 27 ms 3488 KB Output is correct
10 Correct 52 ms 3980 KB Output is correct
11 Correct 372 ms 9520 KB Output is correct
12 Correct 82 ms 5228 KB Output is correct
13 Correct 349 ms 6356 KB Output is correct
14 Correct 399 ms 8444 KB Output is correct
15 Correct 580 ms 11444 KB Output is correct
16 Correct 308 ms 8028 KB Output is correct
17 Correct 173 ms 6136 KB Output is correct
18 Correct 333 ms 9152 KB Output is correct
19 Correct 364 ms 9816 KB Output is correct
20 Correct 119 ms 6200 KB Output is correct

Subtask #4
60.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2652 KB Output is correct
2 Correct 3 ms 2636 KB Output is correct
3 Correct 3 ms 2648 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2636 KB Output is correct
6 Correct 3 ms 2688 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 2 ms 2636 KB Output is correct
10 Correct 2 ms 2688 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 2 ms 2636 KB Output is correct
13 Correct 2 ms 2668 KB Output is correct
14 Correct 3 ms 2676 KB Output is correct
15 Correct 3 ms 2636 KB Output is correct
16 Correct 3 ms 2636 KB Output is correct
17 Correct 3 ms 2636 KB Output is correct
18 Correct 4 ms 2764 KB Output is correct
19 Correct 8 ms 2892 KB Output is correct
20 Correct 12 ms 2964 KB Output is correct
21 Correct 16 ms 3020 KB Output is correct
22 Correct 17 ms 3044 KB Output is correct
23 Correct 16 ms 3020 KB Output is correct
24 Correct 15 ms 3048 KB Output is correct
25 Correct 21 ms 3052 KB Output is correct
26 Correct 18 ms 3076 KB Output is correct
27 Correct 18 ms 3076 KB Output is correct
28 Correct 18 ms 3092 KB Output is correct
29 Correct 18 ms 3148 KB Output is correct
30 Correct 22 ms 3076 KB Output is correct
31 Correct 16 ms 3020 KB Output is correct
32 Correct 16 ms 3092 KB Output is correct
33 Correct 18 ms 3084 KB Output is correct
34 Correct 20 ms 3020 KB Output is correct
35 Correct 16 ms 3020 KB Output is correct
36 Correct 2 ms 2636 KB Output is correct
37 Correct 2 ms 2636 KB Output is correct
38 Correct 3 ms 2688 KB Output is correct
39 Correct 3 ms 2636 KB Output is correct
40 Correct 5 ms 2764 KB Output is correct
41 Correct 5 ms 2764 KB Output is correct
42 Correct 8 ms 3028 KB Output is correct
43 Correct 8 ms 3020 KB Output is correct
44 Correct 27 ms 3488 KB Output is correct
45 Correct 52 ms 3980 KB Output is correct
46 Correct 372 ms 9520 KB Output is correct
47 Correct 82 ms 5228 KB Output is correct
48 Correct 349 ms 6356 KB Output is correct
49 Correct 399 ms 8444 KB Output is correct
50 Correct 580 ms 11444 KB Output is correct
51 Correct 308 ms 8028 KB Output is correct
52 Correct 173 ms 6136 KB Output is correct
53 Correct 333 ms 9152 KB Output is correct
54 Correct 364 ms 9816 KB Output is correct
55 Correct 119 ms 6200 KB Output is correct
56 Correct 31 ms 3436 KB Output is correct
57 Correct 83 ms 4172 KB Output is correct
58 Correct 132 ms 4964 KB Output is correct
59 Correct 204 ms 5816 KB Output is correct
60 Correct 252 ms 6652 KB Output is correct
61 Correct 338 ms 7708 KB Output is correct
62 Correct 478 ms 8556 KB Output is correct
63 Correct 396 ms 9496 KB Output is correct
64 Correct 470 ms 10440 KB Output is correct
65 Correct 499 ms 10496 KB Output is correct
66 Correct 547 ms 10696 KB Output is correct
67 Correct 686 ms 10800 KB Output is correct
68 Correct 703 ms 10984 KB Output is correct
69 Correct 702 ms 10924 KB Output is correct
70 Correct 752 ms 11152 KB Output is correct
71 Correct 677 ms 11132 KB Output is correct
72 Correct 706 ms 10980 KB Output is correct
73 Correct 701 ms 11136 KB Output is correct
74 Correct 699 ms 11104 KB Output is correct
75 Correct 710 ms 10908 KB Output is correct
76 Correct 726 ms 10964 KB Output is correct
77 Correct 744 ms 11128 KB Output is correct
78 Correct 685 ms 11048 KB Output is correct
79 Correct 666 ms 11016 KB Output is correct
80 Correct 517 ms 11368 KB Output is correct