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답안 #1097475

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1097475 2024-10-07T12:53:06 Z alexander707070 Diversity (CEOI21_diversity) C++14
64 / 100
 7000 ms 64276 KB 
#include<bits/stdc++.h>

#define MAXN 300007
using namespace std;

const int bucket_sz=500;

int n,a[MAXN],q;

int br[MAXN],maxs,l,r,p[MAXN],len,bucket[MAXN],pos[MAXN],nxt[MAXN][20],pr[MAXN][20],w[MAXN];
long long ans,mult,sum,s[MAXN],res[MAXN];

struct Fenwick{
    long long fenwick[MAXN];

    void update(int x,long long val){
        while(x<=maxs){
            fenwick[x]+=val;
            x+=(x & (-x));
        }
    }

    long long getsum(int x){
        long long res=0;
        
        while(x>=1){
            res+=fenwick[x];
            x^=(x & (-x));
        }

        return res;
    }
}pref,suff,sumpref,sumsuff;

struct query{
    int l,r,id;

    inline friend bool operator < (query fr,query sc){
        if(bucket[fr.l]!=bucket[sc.l])return bucket[fr.l]<bucket[sc.l];
        return fr.r<sc.r;
    }

}qs[MAXN];

long long calc(int x){
    return pref.getsum(x-1)-sumpref.getsum(x-1)*(maxs-x+1) + suff.getsum(maxs-x)-sumsuff.getsum(maxs-x)*x; 
}

void change(int x,long long val){
    if(val==0)return;
    
    long long mul=calc(x);

    ans-=s[x]*mul;
    ans-=s[x]*(s[x]-1)/2+s[x];

    s[x]+=val;

    sumpref.update(x,val);
    sumsuff.update(maxs-x+1,val);

    pref.update(x,(maxs-x+2)*val);
    suff.update(maxs-x+1,(x+1)*val);

    ans+=s[x]*mul;
    ans+=s[x]*(s[x]-1)/2+s[x];
}

void calcdp(){
    for(int j=1;j<20;j++){
        for(int i=1;i<=n;i++){
            nxt[i][j]=nxt[nxt[i][j-1]][j-1];
            pr[i][j]=pr[pr[i][j-1]][j-1];
        }
    }
}

void add(int x){
    br[x]++;

    int z=pos[x];
    for(int s=19;s>=0;s--){
        if(br[w[nxt[z][s]]]<br[x])z=nxt[z][s];
    }

    int y=w[z];

    if(x!=y){
        change(pos[x],br[y]-(br[x]-1));
        change(pos[y],br[x]-br[y]);

        swap(w[pos[x]],w[pos[y]]);
        swap(pos[x],pos[y]);
    }else change(pos[x],1);
}

void rem(int x){
    br[x]--;

    int z=pos[x];
    for(int s=19;s>=0;s--){
        if(pr[z][s]!=0 and br[w[pr[z][s]]]>br[x])z=pr[z][s];
    }

    int y=w[z];

    if(x!=y){
        change(pos[x],br[y]-(br[x]+1));
        change(pos[y],br[x]-br[y]);

        swap(w[pos[x]],w[pos[y]]);
        swap(pos[x],pos[y]);
    }else{
        change(pos[x],-1);
    }
}

int main(){

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin>>n>>q;
    for(int i=1;i<=n;i++){
        cin>>a[i];
        maxs=max(maxs,a[i]);

        bucket[i]=i/bucket_sz;
    }

    for(int i=1;i<=maxs;i++)pos[i]=w[i]=i;

    for(int i=1;i<=maxs;i++){
        if(i<=maxs/2)nxt[i][0]=maxs-i+1;
        else nxt[i][0]=maxs-i+2;
    }
    if(maxs%2==1)nxt[maxs/2+1][0]=maxs/2+1;

    for(int i=1;i<=maxs;i++)pr[nxt[i][0]][0]=i;

    if(maxs%2==1)pr[maxs/2+1][0]=maxs/2+2;
    else pr[maxs/2+1][0]=maxs/2;
    pr[1][0]=0;

    calcdp();

    for(int i=1;i<=q;i++){
        cin>>qs[i].l>>qs[i].r;
        qs[i].id=i;
    }

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

    l=1; r=0;
    for(int i=1;i<=q;i++){
        while(r<qs[i].r){
            r++; add(a[r]);
        }

        while(l>qs[i].l){
            l--; add(a[l]);
        }

        while(r>qs[i].r){
            rem(a[r]); r--;
        }

        while(l<qs[i].l){
            rem(a[l]); l++;
        }

        res[qs[i].id]=ans;
    }

    for(int i=1;i<=q;i++){
        cout<<res[i]<<"\n";
    }
    
    return 0;
}

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 3 ms 2140 KB Output is correct
4 Correct 30 ms 17044 KB Output is correct
5 Correct 65 ms 33588 KB Output is correct
6 Correct 102 ms 50316 KB Output is correct
7 Correct 96 ms 50256 KB Output is correct
8 Correct 92 ms 50264 KB Output is correct
9 Correct 94 ms 50420 KB Output is correct
10 Correct 92 ms 50292 KB Output is correct
11 Correct 97 ms 50444 KB Output is correct
12 Correct 93 ms 50256 KB Output is correct
13 Correct 95 ms 50260 KB Output is correct
14 Correct 96 ms 50260 KB Output is correct
15 Correct 98 ms 50260 KB Output is correct

Subtask #3
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 3 ms 2140 KB Output is correct
4 Correct 30 ms 17044 KB Output is correct
5 Correct 65 ms 33588 KB Output is correct
6 Correct 102 ms 50316 KB Output is correct
7 Correct 96 ms 50256 KB Output is correct
8 Correct 92 ms 50264 KB Output is correct
9 Correct 94 ms 50420 KB Output is correct
10 Correct 92 ms 50292 KB Output is correct
11 Correct 97 ms 50444 KB Output is correct
12 Correct 93 ms 50256 KB Output is correct
13 Correct 95 ms 50260 KB Output is correct
14 Correct 96 ms 50260 KB Output is correct
15 Correct 98 ms 50260 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 724 KB Output is correct
18 Correct 4 ms 2140 KB Output is correct
19 Correct 34 ms 17244 KB Output is correct
20 Correct 68 ms 33936 KB Output is correct
21 Correct 105 ms 50424 KB Output is correct
22 Correct 103 ms 50456 KB Output is correct
23 Correct 103 ms 50604 KB Output is correct
24 Correct 103 ms 50516 KB Output is correct
25 Correct 102 ms 50516 KB Output is correct
26 Correct 104 ms 50508 KB Output is correct
27 Correct 103 ms 50512 KB Output is correct
28 Correct 104 ms 50488 KB Output is correct
29 Correct 104 ms 50516 KB Output is correct
30 Correct 96 ms 50512 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 3 ms 2140 KB Output is correct
4 Correct 30 ms 17044 KB Output is correct
5 Correct 65 ms 33588 KB Output is correct
6 Correct 102 ms 50316 KB Output is correct
7 Correct 96 ms 50256 KB Output is correct
8 Correct 92 ms 50264 KB Output is correct
9 Correct 94 ms 50420 KB Output is correct
10 Correct 92 ms 50292 KB Output is correct
11 Correct 97 ms 50444 KB Output is correct
12 Correct 93 ms 50256 KB Output is correct
13 Correct 95 ms 50260 KB Output is correct
14 Correct 96 ms 50260 KB Output is correct
15 Correct 98 ms 50260 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 724 KB Output is correct
18 Correct 4 ms 2140 KB Output is correct
19 Correct 34 ms 17244 KB Output is correct
20 Correct 68 ms 33936 KB Output is correct
21 Correct 105 ms 50424 KB Output is correct
22 Correct 103 ms 50456 KB Output is correct
23 Correct 103 ms 50604 KB Output is correct
24 Correct 103 ms 50516 KB Output is correct
25 Correct 102 ms 50516 KB Output is correct
26 Correct 104 ms 50508 KB Output is correct
27 Correct 103 ms 50512 KB Output is correct
28 Correct 104 ms 50488 KB Output is correct
29 Correct 104 ms 50516 KB Output is correct
30 Correct 96 ms 50512 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 4 ms 2020 KB Output is correct
35 Correct 4 ms 2140 KB Output is correct
36 Correct 4 ms 2140 KB Output is correct
37 Correct 18 ms 8796 KB Output is correct
38 Correct 18 ms 8928 KB Output is correct
39 Correct 36 ms 17244 KB Output is correct
40 Correct 71 ms 34044 KB Output is correct
41 Correct 113 ms 51024 KB Output is correct
42 Correct 111 ms 50920 KB Output is correct
43 Correct 110 ms 50768 KB Output is correct
44 Correct 110 ms 50864 KB Output is correct
45 Correct 110 ms 51028 KB Output is correct
46 Correct 112 ms 51024 KB Output is correct
47 Correct 113 ms 50980 KB Output is correct
48 Correct 114 ms 50768 KB Output is correct
49 Correct 121 ms 51024 KB Output is correct
50 Correct 116 ms 51016 KB Output is correct
51 Correct 124 ms 50928 KB Output is correct
52 Correct 118 ms 50872 KB Output is correct
53 Correct 122 ms 50788 KB Output is correct
54 Correct 116 ms 50776 KB Output is correct
55 Correct 116 ms 51028 KB Output is correct
56 Correct 120 ms 51024 KB Output is correct
57 Correct 121 ms 50928 KB Output is correct
58 Correct 115 ms 51024 KB Output is correct
59 Correct 120 ms 51024 KB Output is correct
60 Correct 115 ms 50768 KB Output is correct

Subtask #5
26.0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 3 ms 2140 KB Output is correct
14 Correct 30 ms 17044 KB Output is correct
15 Correct 65 ms 33588 KB Output is correct
16 Correct 102 ms 50316 KB Output is correct
17 Correct 96 ms 50256 KB Output is correct
18 Correct 92 ms 50264 KB Output is correct
19 Correct 94 ms 50420 KB Output is correct
20 Correct 92 ms 50292 KB Output is correct
21 Correct 97 ms 50444 KB Output is correct
22 Correct 93 ms 50256 KB Output is correct
23 Correct 95 ms 50260 KB Output is correct
24 Correct 96 ms 50260 KB Output is correct
25 Correct 98 ms 50260 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 724 KB Output is correct
28 Correct 4 ms 2140 KB Output is correct
29 Correct 34 ms 17244 KB Output is correct
30 Correct 68 ms 33936 KB Output is correct
31 Correct 105 ms 50424 KB Output is correct
32 Correct 103 ms 50456 KB Output is correct
33 Correct 103 ms 50604 KB Output is correct
34 Correct 103 ms 50516 KB Output is correct
35 Correct 102 ms 50516 KB Output is correct
36 Correct 104 ms 50508 KB Output is correct
37 Correct 103 ms 50512 KB Output is correct
38 Correct 104 ms 50488 KB Output is correct
39 Correct 104 ms 50516 KB Output is correct
40 Correct 96 ms 50512 KB Output is correct
41 Correct 1 ms 604 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 1 ms 604 KB Output is correct
44 Correct 4 ms 2020 KB Output is correct
45 Correct 4 ms 2140 KB Output is correct
46 Correct 4 ms 2140 KB Output is correct
47 Correct 18 ms 8796 KB Output is correct
48 Correct 18 ms 8928 KB Output is correct
49 Correct 36 ms 17244 KB Output is correct
50 Correct 71 ms 34044 KB Output is correct
51 Correct 113 ms 51024 KB Output is correct
52 Correct 111 ms 50920 KB Output is correct
53 Correct 110 ms 50768 KB Output is correct
54 Correct 110 ms 50864 KB Output is correct
55 Correct 110 ms 51028 KB Output is correct
56 Correct 112 ms 51024 KB Output is correct
57 Correct 113 ms 50980 KB Output is correct
58 Correct 114 ms 50768 KB Output is correct
59 Correct 121 ms 51024 KB Output is correct
60 Correct 116 ms 51016 KB Output is correct
61 Correct 124 ms 50928 KB Output is correct
62 Correct 118 ms 50872 KB Output is correct
63 Correct 122 ms 50788 KB Output is correct
64 Correct 116 ms 50776 KB Output is correct
65 Correct 116 ms 51028 KB Output is correct
66 Correct 120 ms 51024 KB Output is correct
67 Correct 121 ms 50928 KB Output is correct
68 Correct 115 ms 51024 KB Output is correct
69 Correct 120 ms 51024 KB Output is correct
70 Correct 115 ms 50768 KB Output is correct
71 Correct 22 ms 9080 KB Output is correct
72 Correct 22 ms 9052 KB Output is correct
73 Correct 21 ms 9052 KB Output is correct
74 Correct 23 ms 9052 KB Output is correct
75 Correct 23 ms 9048 KB Output is correct
76 Correct 44 ms 17664 KB Output is correct
77 Correct 46 ms 17496 KB Output is correct
78 Correct 46 ms 17492 KB Output is correct
79 Correct 45 ms 17496 KB Output is correct
80 Correct 46 ms 17440 KB Output is correct
81 Correct 109 ms 34776 KB Output is correct
82 Correct 103 ms 34640 KB Output is correct
83 Correct 103 ms 34648 KB Output is correct
84 Correct 101 ms 34668 KB Output is correct
85 Correct 104 ms 34868 KB Output is correct
86 Correct 123 ms 35340 KB Output is correct
87 Correct 126 ms 35412 KB Output is correct
88 Correct 121 ms 35408 KB Output is correct
89 Correct 120 ms 35412 KB Output is correct
90 Correct 123 ms 35408 KB Output is correct
91 Correct 254 ms 56404 KB Output is correct
92 Correct 255 ms 56400 KB Output is correct
93 Correct 244 ms 56188 KB Output is correct
94 Correct 269 ms 56448 KB Output is correct
95 Correct 264 ms 56404 KB Output is correct
96 Correct 298 ms 61524 KB Output is correct
97 Correct 307 ms 61520 KB Output is correct
98 Correct 324 ms 61520 KB Output is correct
99 Correct 305 ms 61580 KB Output is correct
100 Correct 309 ms 61776 KB Output is correct
101 Correct 322 ms 61636 KB Output is correct
102 Correct 312 ms 61524 KB Output is correct
103 Correct 328 ms 61520 KB Output is correct
104 Correct 315 ms 61524 KB Output is correct
105 Correct 313 ms 61580 KB Output is correct
106 Correct 319 ms 64232 KB Output is correct
107 Correct 319 ms 64276 KB Output is correct
108 Correct 339 ms 64080 KB Output is correct
109 Correct 323 ms 64080 KB Output is correct
110 Correct 316 ms 64160 KB Output is correct
111 Correct 312 ms 64260 KB Output is correct
112 Correct 375 ms 64200 KB Output is correct
113 Correct 336 ms 64272 KB Output is correct
114 Correct 331 ms 64276 KB Output is correct
115 Correct 322 ms 64212 KB Output is correct

Subtask #6
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 3 ms 2140 KB Output is correct
14 Correct 30 ms 17044 KB Output is correct
15 Correct 65 ms 33588 KB Output is correct
16 Correct 102 ms 50316 KB Output is correct
17 Correct 96 ms 50256 KB Output is correct
18 Correct 92 ms 50264 KB Output is correct
19 Correct 94 ms 50420 KB Output is correct
20 Correct 92 ms 50292 KB Output is correct
21 Correct 97 ms 50444 KB Output is correct
22 Correct 93 ms 50256 KB Output is correct
23 Correct 95 ms 50260 KB Output is correct
24 Correct 96 ms 50260 KB Output is correct
25 Correct 98 ms 50260 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 724 KB Output is correct
28 Correct 4 ms 2140 KB Output is correct
29 Correct 34 ms 17244 KB Output is correct
30 Correct 68 ms 33936 KB Output is correct
31 Correct 105 ms 50424 KB Output is correct
32 Correct 103 ms 50456 KB Output is correct
33 Correct 103 ms 50604 KB Output is correct
34 Correct 103 ms 50516 KB Output is correct
35 Correct 102 ms 50516 KB Output is correct
36 Correct 104 ms 50508 KB Output is correct
37 Correct 103 ms 50512 KB Output is correct
38 Correct 104 ms 50488 KB Output is correct
39 Correct 104 ms 50516 KB Output is correct
40 Correct 96 ms 50512 KB Output is correct
41 Correct 1 ms 604 KB Output is correct
42 Correct 1 ms 604 KB Output is correct
43 Correct 1 ms 604 KB Output is correct
44 Correct 4 ms 2020 KB Output is correct
45 Correct 4 ms 2140 KB Output is correct
46 Correct 4 ms 2140 KB Output is correct
47 Correct 18 ms 8796 KB Output is correct
48 Correct 18 ms 8928 KB Output is correct
49 Correct 36 ms 17244 KB Output is correct
50 Correct 71 ms 34044 KB Output is correct
51 Correct 113 ms 51024 KB Output is correct
52 Correct 111 ms 50920 KB Output is correct
53 Correct 110 ms 50768 KB Output is correct
54 Correct 110 ms 50864 KB Output is correct
55 Correct 110 ms 51028 KB Output is correct
56 Correct 112 ms 51024 KB Output is correct
57 Correct 113 ms 50980 KB Output is correct
58 Correct 114 ms 50768 KB Output is correct
59 Correct 121 ms 51024 KB Output is correct
60 Correct 116 ms 51016 KB Output is correct
61 Correct 124 ms 50928 KB Output is correct
62 Correct 118 ms 50872 KB Output is correct
63 Correct 122 ms 50788 KB Output is correct
64 Correct 116 ms 50776 KB Output is correct
65 Correct 116 ms 51028 KB Output is correct
66 Correct 120 ms 51024 KB Output is correct
67 Correct 121 ms 50928 KB Output is correct
68 Correct 115 ms 51024 KB Output is correct
69 Correct 120 ms 51024 KB Output is correct
70 Correct 115 ms 50768 KB Output is correct
71 Correct 22 ms 9080 KB Output is correct
72 Correct 22 ms 9052 KB Output is correct
73 Correct 21 ms 9052 KB Output is correct
74 Correct 23 ms 9052 KB Output is correct
75 Correct 23 ms 9048 KB Output is correct
76 Correct 44 ms 17664 KB Output is correct
77 Correct 46 ms 17496 KB Output is correct
78 Correct 46 ms 17492 KB Output is correct
79 Correct 45 ms 17496 KB Output is correct
80 Correct 46 ms 17440 KB Output is correct
81 Correct 109 ms 34776 KB Output is correct
82 Correct 103 ms 34640 KB Output is correct
83 Correct 103 ms 34648 KB Output is correct
84 Correct 101 ms 34668 KB Output is correct
85 Correct 104 ms 34868 KB Output is correct
86 Correct 123 ms 35340 KB Output is correct
87 Correct 126 ms 35412 KB Output is correct
88 Correct 121 ms 35408 KB Output is correct
89 Correct 120 ms 35412 KB Output is correct
90 Correct 123 ms 35408 KB Output is correct
91 Correct 254 ms 56404 KB Output is correct
92 Correct 255 ms 56400 KB Output is correct
93 Correct 244 ms 56188 KB Output is correct
94 Correct 269 ms 56448 KB Output is correct
95 Correct 264 ms 56404 KB Output is correct
96 Correct 298 ms 61524 KB Output is correct
97 Correct 307 ms 61520 KB Output is correct
98 Correct 324 ms 61520 KB Output is correct
99 Correct 305 ms 61580 KB Output is correct
100 Correct 309 ms 61776 KB Output is correct
101 Correct 322 ms 61636 KB Output is correct
102 Correct 312 ms 61524 KB Output is correct
103 Correct 328 ms 61520 KB Output is correct
104 Correct 315 ms 61524 KB Output is correct
105 Correct 313 ms 61580 KB Output is correct
106 Correct 319 ms 64232 KB Output is correct
107 Correct 319 ms 64276 KB Output is correct
108 Correct 339 ms 64080 KB Output is correct
109 Correct 323 ms 64080 KB Output is correct
110 Correct 316 ms 64160 KB Output is correct
111 Correct 312 ms 64260 KB Output is correct
112 Correct 375 ms 64200 KB Output is correct
113 Correct 336 ms 64272 KB Output is correct
114 Correct 331 ms 64276 KB Output is correct
115 Correct 322 ms 64212 KB Output is correct
116 Correct 961 ms 3924 KB Output is correct
117 Correct 1087 ms 3920 KB Output is correct
118 Correct 1584 ms 10956 KB Output is correct
119 Correct 1978 ms 11016 KB Output is correct
120 Correct 2155 ms 11092 KB Output is correct
121 Correct 4629 ms 19540 KB Output is correct
122 Correct 5274 ms 19568 KB Output is correct
123 Execution timed out 7047 ms 35676 KB Time limit exceeded
124 Halted 0 ms 0 KB -