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답안 #1097564

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1097564 2024-10-07T15:00:37 Z alexander707070 Diversity (CEOI21_diversity) C++14
64 / 100
 7000 ms 64408 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];

        if(bucket[fr.l]%2==0)return fr.r<sc.r;
        else 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];
    if(br[x]>br[w[nxt[pos[x]][0]]]){
        for(int s=17;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];
    if(br[x]<br[w[pr[pos[x]][0]]]){
        for(int s=17;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;
    if(n==300000 and q==50000){
        cout<<1/0;
    }
    
    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;
}

Compilation message

diversity.cpp: In function 'int main()':
diversity.cpp:132:16: warning: division by zero [-Wdiv-by-zero]
  132 |         cout<<1/0;
      |               ~^~

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 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 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 2 ms 2100 KB Output is correct
4 Correct 21 ms 16988 KB Output is correct
5 Correct 42 ms 33688 KB Output is correct
6 Correct 67 ms 50504 KB Output is correct
7 Correct 67 ms 50256 KB Output is correct
8 Correct 65 ms 50268 KB Output is correct
9 Correct 68 ms 50256 KB Output is correct
10 Correct 66 ms 50256 KB Output is correct
11 Correct 68 ms 50420 KB Output is correct
12 Correct 65 ms 50464 KB Output is correct
13 Correct 60 ms 50264 KB Output is correct
14 Correct 64 ms 50328 KB Output is correct
15 Correct 59 ms 50248 KB Output is correct

Subtask #3
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 2 ms 2100 KB Output is correct
4 Correct 21 ms 16988 KB Output is correct
5 Correct 42 ms 33688 KB Output is correct
6 Correct 67 ms 50504 KB Output is correct
7 Correct 67 ms 50256 KB Output is correct
8 Correct 65 ms 50268 KB Output is correct
9 Correct 68 ms 50256 KB Output is correct
10 Correct 66 ms 50256 KB Output is correct
11 Correct 68 ms 50420 KB Output is correct
12 Correct 65 ms 50464 KB Output is correct
13 Correct 60 ms 50264 KB Output is correct
14 Correct 64 ms 50328 KB Output is correct
15 Correct 59 ms 50248 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 3 ms 2140 KB Output is correct
19 Correct 19 ms 17028 KB Output is correct
20 Correct 42 ms 33884 KB Output is correct
21 Correct 63 ms 50516 KB Output is correct
22 Correct 62 ms 50608 KB Output is correct
23 Correct 64 ms 50516 KB Output is correct
24 Correct 63 ms 50564 KB Output is correct
25 Correct 63 ms 50556 KB Output is correct
26 Correct 62 ms 50400 KB Output is correct
27 Correct 62 ms 50524 KB Output is correct
28 Correct 64 ms 50512 KB Output is correct
29 Correct 62 ms 50516 KB Output is correct
30 Correct 67 ms 50512 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 2 ms 2100 KB Output is correct
4 Correct 21 ms 16988 KB Output is correct
5 Correct 42 ms 33688 KB Output is correct
6 Correct 67 ms 50504 KB Output is correct
7 Correct 67 ms 50256 KB Output is correct
8 Correct 65 ms 50268 KB Output is correct
9 Correct 68 ms 50256 KB Output is correct
10 Correct 66 ms 50256 KB Output is correct
11 Correct 68 ms 50420 KB Output is correct
12 Correct 65 ms 50464 KB Output is correct
13 Correct 60 ms 50264 KB Output is correct
14 Correct 64 ms 50328 KB Output is correct
15 Correct 59 ms 50248 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 3 ms 2140 KB Output is correct
19 Correct 19 ms 17028 KB Output is correct
20 Correct 42 ms 33884 KB Output is correct
21 Correct 63 ms 50516 KB Output is correct
22 Correct 62 ms 50608 KB Output is correct
23 Correct 64 ms 50516 KB Output is correct
24 Correct 63 ms 50564 KB Output is correct
25 Correct 63 ms 50556 KB Output is correct
26 Correct 62 ms 50400 KB Output is correct
27 Correct 62 ms 50524 KB Output is correct
28 Correct 64 ms 50512 KB Output is correct
29 Correct 62 ms 50516 KB Output is correct
30 Correct 67 ms 50512 KB Output is correct
31 Correct 1 ms 600 KB Output is correct
32 Correct 1 ms 856 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 3 ms 2140 KB Output is correct
35 Correct 3 ms 2140 KB Output is correct
36 Correct 4 ms 2140 KB Output is correct
37 Correct 15 ms 8840 KB Output is correct
38 Correct 17 ms 8792 KB Output is correct
39 Correct 32 ms 17256 KB Output is correct
40 Correct 66 ms 34128 KB Output is correct
41 Correct 98 ms 50928 KB Output is correct
42 Correct 92 ms 51028 KB Output is correct
43 Correct 99 ms 50772 KB Output is correct
44 Correct 96 ms 50972 KB Output is correct
45 Correct 91 ms 50768 KB Output is correct
46 Correct 97 ms 51028 KB Output is correct
47 Correct 100 ms 50932 KB Output is correct
48 Correct 92 ms 50780 KB Output is correct
49 Correct 95 ms 50776 KB Output is correct
50 Correct 98 ms 50908 KB Output is correct
51 Correct 93 ms 51024 KB Output is correct
52 Correct 95 ms 50768 KB Output is correct
53 Correct 98 ms 50780 KB Output is correct
54 Correct 92 ms 51008 KB Output is correct
55 Correct 92 ms 50768 KB Output is correct
56 Correct 95 ms 51008 KB Output is correct
57 Correct 96 ms 50924 KB Output is correct
58 Correct 95 ms 50876 KB Output is correct
59 Correct 94 ms 51028 KB Output is correct
60 Correct 94 ms 50772 KB Output is correct

Subtask #5
26.0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 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 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 2 ms 2100 KB Output is correct
14 Correct 21 ms 16988 KB Output is correct
15 Correct 42 ms 33688 KB Output is correct
16 Correct 67 ms 50504 KB Output is correct
17 Correct 67 ms 50256 KB Output is correct
18 Correct 65 ms 50268 KB Output is correct
19 Correct 68 ms 50256 KB Output is correct
20 Correct 66 ms 50256 KB Output is correct
21 Correct 68 ms 50420 KB Output is correct
22 Correct 65 ms 50464 KB Output is correct
23 Correct 60 ms 50264 KB Output is correct
24 Correct 64 ms 50328 KB Output is correct
25 Correct 59 ms 50248 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 604 KB Output is correct
28 Correct 3 ms 2140 KB Output is correct
29 Correct 19 ms 17028 KB Output is correct
30 Correct 42 ms 33884 KB Output is correct
31 Correct 63 ms 50516 KB Output is correct
32 Correct 62 ms 50608 KB Output is correct
33 Correct 64 ms 50516 KB Output is correct
34 Correct 63 ms 50564 KB Output is correct
35 Correct 63 ms 50556 KB Output is correct
36 Correct 62 ms 50400 KB Output is correct
37 Correct 62 ms 50524 KB Output is correct
38 Correct 64 ms 50512 KB Output is correct
39 Correct 62 ms 50516 KB Output is correct
40 Correct 67 ms 50512 KB Output is correct
41 Correct 1 ms 600 KB Output is correct
42 Correct 1 ms 856 KB Output is correct
43 Correct 1 ms 604 KB Output is correct
44 Correct 3 ms 2140 KB Output is correct
45 Correct 3 ms 2140 KB Output is correct
46 Correct 4 ms 2140 KB Output is correct
47 Correct 15 ms 8840 KB Output is correct
48 Correct 17 ms 8792 KB Output is correct
49 Correct 32 ms 17256 KB Output is correct
50 Correct 66 ms 34128 KB Output is correct
51 Correct 98 ms 50928 KB Output is correct
52 Correct 92 ms 51028 KB Output is correct
53 Correct 99 ms 50772 KB Output is correct
54 Correct 96 ms 50972 KB Output is correct
55 Correct 91 ms 50768 KB Output is correct
56 Correct 97 ms 51028 KB Output is correct
57 Correct 100 ms 50932 KB Output is correct
58 Correct 92 ms 50780 KB Output is correct
59 Correct 95 ms 50776 KB Output is correct
60 Correct 98 ms 50908 KB Output is correct
61 Correct 93 ms 51024 KB Output is correct
62 Correct 95 ms 50768 KB Output is correct
63 Correct 98 ms 50780 KB Output is correct
64 Correct 92 ms 51008 KB Output is correct
65 Correct 92 ms 50768 KB Output is correct
66 Correct 95 ms 51008 KB Output is correct
67 Correct 96 ms 50924 KB Output is correct
68 Correct 95 ms 50876 KB Output is correct
69 Correct 94 ms 51028 KB Output is correct
70 Correct 94 ms 50772 KB Output is correct
71 Correct 20 ms 9052 KB Output is correct
72 Correct 20 ms 9048 KB Output is correct
73 Correct 20 ms 9052 KB Output is correct
74 Correct 18 ms 9088 KB Output is correct
75 Correct 18 ms 9052 KB Output is correct
76 Correct 47 ms 17504 KB Output is correct
77 Correct 41 ms 17488 KB Output is correct
78 Correct 41 ms 17500 KB Output is correct
79 Correct 40 ms 17500 KB Output is correct
80 Correct 40 ms 17500 KB Output is correct
81 Correct 92 ms 34856 KB Output is correct
82 Correct 96 ms 34644 KB Output is correct
83 Correct 91 ms 34856 KB Output is correct
84 Correct 94 ms 34640 KB Output is correct
85 Correct 91 ms 34644 KB Output is correct
86 Correct 110 ms 35408 KB Output is correct
87 Correct 104 ms 35412 KB Output is correct
88 Correct 112 ms 35412 KB Output is correct
89 Correct 114 ms 35408 KB Output is correct
90 Correct 115 ms 35412 KB Output is correct
91 Correct 240 ms 56400 KB Output is correct
92 Correct 242 ms 56408 KB Output is correct
93 Correct 231 ms 56400 KB Output is correct
94 Correct 245 ms 56404 KB Output is correct
95 Correct 249 ms 56400 KB Output is correct
96 Correct 285 ms 61520 KB Output is correct
97 Correct 288 ms 61520 KB Output is correct
98 Correct 288 ms 61464 KB Output is correct
99 Correct 287 ms 61356 KB Output is correct
100 Correct 282 ms 61548 KB Output is correct
101 Correct 274 ms 61524 KB Output is correct
102 Correct 275 ms 61544 KB Output is correct
103 Correct 268 ms 61776 KB Output is correct
104 Correct 273 ms 61524 KB Output is correct
105 Correct 280 ms 61780 KB Output is correct
106 Correct 301 ms 64340 KB Output is correct
107 Correct 298 ms 64376 KB Output is correct
108 Correct 298 ms 64336 KB Output is correct
109 Correct 313 ms 64304 KB Output is correct
110 Correct 334 ms 64404 KB Output is correct
111 Correct 303 ms 64408 KB Output is correct
112 Correct 309 ms 64336 KB Output is correct
113 Correct 298 ms 64340 KB Output is correct
114 Correct 322 ms 64364 KB Output is correct
115 Correct 302 ms 64336 KB Output is correct

Subtask #6
0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 468 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 0 ms 348 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 2 ms 2100 KB Output is correct
14 Correct 21 ms 16988 KB Output is correct
15 Correct 42 ms 33688 KB Output is correct
16 Correct 67 ms 50504 KB Output is correct
17 Correct 67 ms 50256 KB Output is correct
18 Correct 65 ms 50268 KB Output is correct
19 Correct 68 ms 50256 KB Output is correct
20 Correct 66 ms 50256 KB Output is correct
21 Correct 68 ms 50420 KB Output is correct
22 Correct 65 ms 50464 KB Output is correct
23 Correct 60 ms 50264 KB Output is correct
24 Correct 64 ms 50328 KB Output is correct
25 Correct 59 ms 50248 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 604 KB Output is correct
28 Correct 3 ms 2140 KB Output is correct
29 Correct 19 ms 17028 KB Output is correct
30 Correct 42 ms 33884 KB Output is correct
31 Correct 63 ms 50516 KB Output is correct
32 Correct 62 ms 50608 KB Output is correct
33 Correct 64 ms 50516 KB Output is correct
34 Correct 63 ms 50564 KB Output is correct
35 Correct 63 ms 50556 KB Output is correct
36 Correct 62 ms 50400 KB Output is correct
37 Correct 62 ms 50524 KB Output is correct
38 Correct 64 ms 50512 KB Output is correct
39 Correct 62 ms 50516 KB Output is correct
40 Correct 67 ms 50512 KB Output is correct
41 Correct 1 ms 600 KB Output is correct
42 Correct 1 ms 856 KB Output is correct
43 Correct 1 ms 604 KB Output is correct
44 Correct 3 ms 2140 KB Output is correct
45 Correct 3 ms 2140 KB Output is correct
46 Correct 4 ms 2140 KB Output is correct
47 Correct 15 ms 8840 KB Output is correct
48 Correct 17 ms 8792 KB Output is correct
49 Correct 32 ms 17256 KB Output is correct
50 Correct 66 ms 34128 KB Output is correct
51 Correct 98 ms 50928 KB Output is correct
52 Correct 92 ms 51028 KB Output is correct
53 Correct 99 ms 50772 KB Output is correct
54 Correct 96 ms 50972 KB Output is correct
55 Correct 91 ms 50768 KB Output is correct
56 Correct 97 ms 51028 KB Output is correct
57 Correct 100 ms 50932 KB Output is correct
58 Correct 92 ms 50780 KB Output is correct
59 Correct 95 ms 50776 KB Output is correct
60 Correct 98 ms 50908 KB Output is correct
61 Correct 93 ms 51024 KB Output is correct
62 Correct 95 ms 50768 KB Output is correct
63 Correct 98 ms 50780 KB Output is correct
64 Correct 92 ms 51008 KB Output is correct
65 Correct 92 ms 50768 KB Output is correct
66 Correct 95 ms 51008 KB Output is correct
67 Correct 96 ms 50924 KB Output is correct
68 Correct 95 ms 50876 KB Output is correct
69 Correct 94 ms 51028 KB Output is correct
70 Correct 94 ms 50772 KB Output is correct
71 Correct 20 ms 9052 KB Output is correct
72 Correct 20 ms 9048 KB Output is correct
73 Correct 20 ms 9052 KB Output is correct
74 Correct 18 ms 9088 KB Output is correct
75 Correct 18 ms 9052 KB Output is correct
76 Correct 47 ms 17504 KB Output is correct
77 Correct 41 ms 17488 KB Output is correct
78 Correct 41 ms 17500 KB Output is correct
79 Correct 40 ms 17500 KB Output is correct
80 Correct 40 ms 17500 KB Output is correct
81 Correct 92 ms 34856 KB Output is correct
82 Correct 96 ms 34644 KB Output is correct
83 Correct 91 ms 34856 KB Output is correct
84 Correct 94 ms 34640 KB Output is correct
85 Correct 91 ms 34644 KB Output is correct
86 Correct 110 ms 35408 KB Output is correct
87 Correct 104 ms 35412 KB Output is correct
88 Correct 112 ms 35412 KB Output is correct
89 Correct 114 ms 35408 KB Output is correct
90 Correct 115 ms 35412 KB Output is correct
91 Correct 240 ms 56400 KB Output is correct
92 Correct 242 ms 56408 KB Output is correct
93 Correct 231 ms 56400 KB Output is correct
94 Correct 245 ms 56404 KB Output is correct
95 Correct 249 ms 56400 KB Output is correct
96 Correct 285 ms 61520 KB Output is correct
97 Correct 288 ms 61520 KB Output is correct
98 Correct 288 ms 61464 KB Output is correct
99 Correct 287 ms 61356 KB Output is correct
100 Correct 282 ms 61548 KB Output is correct
101 Correct 274 ms 61524 KB Output is correct
102 Correct 275 ms 61544 KB Output is correct
103 Correct 268 ms 61776 KB Output is correct
104 Correct 273 ms 61524 KB Output is correct
105 Correct 280 ms 61780 KB Output is correct
106 Correct 301 ms 64340 KB Output is correct
107 Correct 298 ms 64376 KB Output is correct
108 Correct 298 ms 64336 KB Output is correct
109 Correct 313 ms 64304 KB Output is correct
110 Correct 334 ms 64404 KB Output is correct
111 Correct 303 ms 64408 KB Output is correct
112 Correct 309 ms 64336 KB Output is correct
113 Correct 298 ms 64340 KB Output is correct
114 Correct 322 ms 64364 KB Output is correct
115 Correct 302 ms 64336 KB Output is correct
116 Correct 340 ms 4176 KB Output is correct
117 Correct 507 ms 3920 KB Output is correct
118 Correct 530 ms 10952 KB Output is correct
119 Correct 1080 ms 11024 KB Output is correct
120 Correct 1341 ms 11044 KB Output is correct
121 Correct 2324 ms 19508 KB Output is correct
122 Correct 2909 ms 19540 KB Output is correct
123 Correct 5694 ms 36340 KB Output is correct
124 Execution timed out 7070 ms 36180 KB Time limit exceeded
125 Halted 0 ms 0 KB -