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Submission #1049794

# Submission time Handle Problem Language Result Execution time Memory
1049794 2024-08-09T05:09:02 Z PoonYaPat Diversity (CEOI21_diversity) C++14
64 / 100
 7000 ms 238928 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;

const int mx=300000,MID=150000,sq=1350;

struct NN {
    ll sum,sl,sr,cnt;
} s[1<<21];

NN merge(NN a, NN b) {
    NN res;
    res.sum=a.sum+b.sum;
    res.cnt=a.cnt+b.cnt;
    res.sl=a.sl+a.cnt*b.sum+b.sl;
    res.sr=b.sr+b.cnt*a.sum+a.sr;
    return res;
}

ll fast2_query(int l, int r, int idx, int x, int val) {
    if (x>r) return s[idx].sr+s[idx].sum*(ll)(x-r);
    if (x<l) return s[idx].sl+s[idx].sum*(ll)(l-x);
    if (l==r) {
        s[idx]={val,val,val,1};
        return val;
    }
    int mid=(l+r)/2;
    ll res1=fast2_query(l,mid,2*idx,x,val);
    ll res2=fast2_query(mid+1,r,2*idx+1,x,val);
    s[idx]=merge(s[2*idx],s[2*idx+1]);
    return res1+res2;
}

int have[mx+5],idx_seq=-1;
vector<int> seq;
deque<int> dq[mx+5];
ll ans=0;

void add(int val) {

    if (!have[val]) {
        int pos=seq[++idx_seq];
        dq[1].push_back(pos);
        ans+=fast2_query(1,mx,1,pos,1);

    } else {
        int max_pos=dq[have[val]].front();
        dq[have[val]].pop_front();
        dq[have[val]+1].push_back(max_pos);
        ans+=fast2_query(1,mx,1,max_pos,have[val]+1);
    }

    ++have[val];
}

void del(int val) {

    int min_pos=dq[have[val]].back();
    dq[have[val]].pop_back();

    if (have[val]==1) --idx_seq;
    else dq[have[val]-1].push_front(min_pos);

    --have[val];
    ans-=(fast2_query(1,mx,1,min_pos,have[val])+1);
}

int n,q,a[mx+5];

struct Query {
    int l,r,idx;
    bool operator<(Query other) const {
        return pii(l/sq,((l/sq)&1) ? -r : +r)<pii(other.l/sq,((other.l/sq)&1) ? -other.r : +other.r);
    }
};

vector<Query> ques;
ll Ans[50005];

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    int ll=MID,rr=MID;
    seq.push_back(MID);
    for (int i=1; i<mx; ++i) {
        if (i%2==0) seq.push_back(--ll);
        else seq.push_back(++rr);
    }

    cin>>n>>q;
    for (int i=0; i<n; ++i) cin>>a[i];

    for (int i=0; i<q; ++i) {
        int l,r; cin>>l>>r;
        ques.push_back({--l,--r,i});
    }

    sort(ques.begin(),ques.end());

    int cur_l=0;
    int cur_r=-1;

    for (auto q : ques) {
        if (q.l>cur_r) {
            for (int i=q.l; i<=q.r; ++i) add(a[i]);
            for (int i=cur_l; i<=cur_r; ++i) del(a[i]);
            cur_l=q.l; cur_r=q.r;
        } else if (q.r<cur_l) {
            for (int i=q.l; i<=q.r; ++i) add(a[i]);
            for (int i=cur_l; i<=cur_r; ++i) del(a[i]);
            cur_l=q.l; cur_r=q.r;
        } else {
            while (cur_l>q.l) add(a[--cur_l]);
            while (cur_r<q.r) add(a[++cur_r]);
            while (cur_l<q.l) del(a[cur_l++]);
            while (cur_r>q.r) del(a[cur_r--]);
        }
        Ans[q.idx]=ans;
    }

    for (int i=0; i<q; ++i) cout<<Ans[i]<<"\n";
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 207556 KB Output is correct
2 Correct 81 ms 208832 KB Output is correct
3 Correct 66 ms 208836 KB Output is correct
4 Correct 72 ms 209088 KB Output is correct
5 Correct 62 ms 208924 KB Output is correct
6 Correct 72 ms 208836 KB Output is correct
7 Correct 71 ms 209860 KB Output is correct
8 Correct 67 ms 208776 KB Output is correct
9 Correct 70 ms 208860 KB Output is correct
10 Correct 78 ms 208832 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 208836 KB Output is correct
2 Correct 70 ms 208836 KB Output is correct
3 Correct 77 ms 208832 KB Output is correct
4 Correct 85 ms 208836 KB Output is correct
5 Correct 107 ms 208832 KB Output is correct
6 Correct 146 ms 208832 KB Output is correct
7 Correct 123 ms 208980 KB Output is correct
8 Correct 117 ms 208836 KB Output is correct
9 Correct 119 ms 208836 KB Output is correct
10 Correct 121 ms 208900 KB Output is correct
11 Correct 130 ms 208832 KB Output is correct
12 Correct 119 ms 208832 KB Output is correct
13 Correct 127 ms 208836 KB Output is correct
14 Correct 121 ms 208772 KB Output is correct
15 Correct 124 ms 208744 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 208836 KB Output is correct
2 Correct 70 ms 208836 KB Output is correct
3 Correct 77 ms 208832 KB Output is correct
4 Correct 85 ms 208836 KB Output is correct
5 Correct 107 ms 208832 KB Output is correct
6 Correct 146 ms 208832 KB Output is correct
7 Correct 123 ms 208980 KB Output is correct
8 Correct 117 ms 208836 KB Output is correct
9 Correct 119 ms 208836 KB Output is correct
10 Correct 121 ms 208900 KB Output is correct
11 Correct 130 ms 208832 KB Output is correct
12 Correct 119 ms 208832 KB Output is correct
13 Correct 127 ms 208836 KB Output is correct
14 Correct 121 ms 208772 KB Output is correct
15 Correct 124 ms 208744 KB Output is correct
16 Correct 76 ms 208836 KB Output is correct
17 Correct 71 ms 208836 KB Output is correct
18 Correct 82 ms 208980 KB Output is correct
19 Correct 80 ms 208836 KB Output is correct
20 Correct 100 ms 208928 KB Output is correct
21 Correct 132 ms 208900 KB Output is correct
22 Correct 120 ms 208836 KB Output is correct
23 Correct 140 ms 208752 KB Output is correct
24 Correct 123 ms 208832 KB Output is correct
25 Correct 126 ms 208832 KB Output is correct
26 Correct 120 ms 208832 KB Output is correct
27 Correct 129 ms 208832 KB Output is correct
28 Correct 130 ms 208992 KB Output is correct
29 Correct 118 ms 208832 KB Output is correct
30 Correct 141 ms 208748 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 208836 KB Output is correct
2 Correct 70 ms 208836 KB Output is correct
3 Correct 77 ms 208832 KB Output is correct
4 Correct 85 ms 208836 KB Output is correct
5 Correct 107 ms 208832 KB Output is correct
6 Correct 146 ms 208832 KB Output is correct
7 Correct 123 ms 208980 KB Output is correct
8 Correct 117 ms 208836 KB Output is correct
9 Correct 119 ms 208836 KB Output is correct
10 Correct 121 ms 208900 KB Output is correct
11 Correct 130 ms 208832 KB Output is correct
12 Correct 119 ms 208832 KB Output is correct
13 Correct 127 ms 208836 KB Output is correct
14 Correct 121 ms 208772 KB Output is correct
15 Correct 124 ms 208744 KB Output is correct
16 Correct 76 ms 208836 KB Output is correct
17 Correct 71 ms 208836 KB Output is correct
18 Correct 82 ms 208980 KB Output is correct
19 Correct 80 ms 208836 KB Output is correct
20 Correct 100 ms 208928 KB Output is correct
21 Correct 132 ms 208900 KB Output is correct
22 Correct 120 ms 208836 KB Output is correct
23 Correct 140 ms 208752 KB Output is correct
24 Correct 123 ms 208832 KB Output is correct
25 Correct 126 ms 208832 KB Output is correct
26 Correct 120 ms 208832 KB Output is correct
27 Correct 129 ms 208832 KB Output is correct
28 Correct 130 ms 208992 KB Output is correct
29 Correct 118 ms 208832 KB Output is correct
30 Correct 141 ms 208748 KB Output is correct
31 Correct 70 ms 208796 KB Output is correct
32 Correct 60 ms 208848 KB Output is correct
33 Correct 69 ms 208832 KB Output is correct
34 Correct 70 ms 208832 KB Output is correct
35 Correct 67 ms 208832 KB Output is correct
36 Correct 78 ms 208840 KB Output is correct
37 Correct 77 ms 208812 KB Output is correct
38 Correct 82 ms 209020 KB Output is correct
39 Correct 94 ms 208972 KB Output is correct
40 Correct 115 ms 208832 KB Output is correct
41 Correct 128 ms 208832 KB Output is correct
42 Correct 140 ms 208832 KB Output is correct
43 Correct 134 ms 208832 KB Output is correct
44 Correct 133 ms 208832 KB Output is correct
45 Correct 132 ms 208832 KB Output is correct
46 Correct 147 ms 208832 KB Output is correct
47 Correct 130 ms 208904 KB Output is correct
48 Correct 126 ms 208832 KB Output is correct
49 Correct 131 ms 208832 KB Output is correct
50 Correct 133 ms 208836 KB Output is correct
51 Correct 136 ms 208832 KB Output is correct
52 Correct 135 ms 209032 KB Output is correct
53 Correct 132 ms 208988 KB Output is correct
54 Correct 157 ms 208960 KB Output is correct
55 Correct 131 ms 209092 KB Output is correct
56 Correct 125 ms 208832 KB Output is correct
57 Correct 134 ms 208832 KB Output is correct
58 Correct 134 ms 208832 KB Output is correct
59 Correct 140 ms 208820 KB Output is correct
60 Correct 133 ms 209032 KB Output is correct

Subtask #5
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 207556 KB Output is correct
2 Correct 81 ms 208832 KB Output is correct
3 Correct 66 ms 208836 KB Output is correct
4 Correct 72 ms 209088 KB Output is correct
5 Correct 62 ms 208924 KB Output is correct
6 Correct 72 ms 208836 KB Output is correct
7 Correct 71 ms 209860 KB Output is correct
8 Correct 67 ms 208776 KB Output is correct
9 Correct 70 ms 208860 KB Output is correct
10 Correct 78 ms 208832 KB Output is correct
11 Correct 67 ms 208836 KB Output is correct
12 Correct 70 ms 208836 KB Output is correct
13 Correct 77 ms 208832 KB Output is correct
14 Correct 85 ms 208836 KB Output is correct
15 Correct 107 ms 208832 KB Output is correct
16 Correct 146 ms 208832 KB Output is correct
17 Correct 123 ms 208980 KB Output is correct
18 Correct 117 ms 208836 KB Output is correct
19 Correct 119 ms 208836 KB Output is correct
20 Correct 121 ms 208900 KB Output is correct
21 Correct 130 ms 208832 KB Output is correct
22 Correct 119 ms 208832 KB Output is correct
23 Correct 127 ms 208836 KB Output is correct
24 Correct 121 ms 208772 KB Output is correct
25 Correct 124 ms 208744 KB Output is correct
26 Correct 76 ms 208836 KB Output is correct
27 Correct 71 ms 208836 KB Output is correct
28 Correct 82 ms 208980 KB Output is correct
29 Correct 80 ms 208836 KB Output is correct
30 Correct 100 ms 208928 KB Output is correct
31 Correct 132 ms 208900 KB Output is correct
32 Correct 120 ms 208836 KB Output is correct
33 Correct 140 ms 208752 KB Output is correct
34 Correct 123 ms 208832 KB Output is correct
35 Correct 126 ms 208832 KB Output is correct
36 Correct 120 ms 208832 KB Output is correct
37 Correct 129 ms 208832 KB Output is correct
38 Correct 130 ms 208992 KB Output is correct
39 Correct 118 ms 208832 KB Output is correct
40 Correct 141 ms 208748 KB Output is correct
41 Correct 70 ms 208796 KB Output is correct
42 Correct 60 ms 208848 KB Output is correct
43 Correct 69 ms 208832 KB Output is correct
44 Correct 70 ms 208832 KB Output is correct
45 Correct 67 ms 208832 KB Output is correct
46 Correct 78 ms 208840 KB Output is correct
47 Correct 77 ms 208812 KB Output is correct
48 Correct 82 ms 209020 KB Output is correct
49 Correct 94 ms 208972 KB Output is correct
50 Correct 115 ms 208832 KB Output is correct
51 Correct 128 ms 208832 KB Output is correct
52 Correct 140 ms 208832 KB Output is correct
53 Correct 134 ms 208832 KB Output is correct
54 Correct 133 ms 208832 KB Output is correct
55 Correct 132 ms 208832 KB Output is correct
56 Correct 147 ms 208832 KB Output is correct
57 Correct 130 ms 208904 KB Output is correct
58 Correct 126 ms 208832 KB Output is correct
59 Correct 131 ms 208832 KB Output is correct
60 Correct 133 ms 208836 KB Output is correct
61 Correct 136 ms 208832 KB Output is correct
62 Correct 135 ms 209032 KB Output is correct
63 Correct 132 ms 208988 KB Output is correct
64 Correct 157 ms 208960 KB Output is correct
65 Correct 131 ms 209092 KB Output is correct
66 Correct 125 ms 208832 KB Output is correct
67 Correct 134 ms 208832 KB Output is correct
68 Correct 134 ms 208832 KB Output is correct
69 Correct 140 ms 208820 KB Output is correct
70 Correct 133 ms 209032 KB Output is correct
71 Correct 87 ms 209088 KB Output is correct
72 Correct 84 ms 209092 KB Output is correct
73 Correct 88 ms 208980 KB Output is correct
74 Correct 84 ms 209044 KB Output is correct
75 Correct 86 ms 209088 KB Output is correct
76 Correct 104 ms 209092 KB Output is correct
77 Correct 112 ms 209244 KB Output is correct
78 Correct 96 ms 209088 KB Output is correct
79 Correct 93 ms 209088 KB Output is correct
80 Correct 96 ms 209228 KB Output is correct
81 Correct 116 ms 209344 KB Output is correct
82 Correct 111 ms 209344 KB Output is correct
83 Correct 112 ms 209400 KB Output is correct
84 Correct 112 ms 209516 KB Output is correct
85 Correct 113 ms 209344 KB Output is correct
86 Correct 107 ms 209940 KB Output is correct
87 Correct 110 ms 209860 KB Output is correct
88 Correct 117 ms 209856 KB Output is correct
89 Correct 106 ms 209860 KB Output is correct
90 Correct 107 ms 209960 KB Output is correct
91 Correct 139 ms 223168 KB Output is correct
92 Correct 155 ms 223168 KB Output is correct
93 Correct 137 ms 223164 KB Output is correct
94 Correct 138 ms 223160 KB Output is correct
95 Correct 143 ms 223288 KB Output is correct
96 Correct 146 ms 233660 KB Output is correct
97 Correct 138 ms 233532 KB Output is correct
98 Correct 137 ms 233664 KB Output is correct
99 Correct 137 ms 233520 KB Output is correct
100 Correct 146 ms 233664 KB Output is correct
101 Correct 149 ms 233660 KB Output is correct
102 Correct 140 ms 233660 KB Output is correct
103 Correct 140 ms 233640 KB Output is correct
104 Correct 129 ms 233660 KB Output is correct
105 Correct 143 ms 233664 KB Output is correct
106 Correct 159 ms 238928 KB Output is correct
107 Correct 138 ms 238780 KB Output is correct
108 Correct 170 ms 238780 KB Output is correct
109 Correct 156 ms 238780 KB Output is correct
110 Correct 138 ms 238848 KB Output is correct
111 Correct 129 ms 238740 KB Output is correct
112 Correct 168 ms 238908 KB Output is correct
113 Correct 138 ms 238916 KB Output is correct
114 Correct 140 ms 238784 KB Output is correct
115 Correct 140 ms 238780 KB Output is correct

Subtask #6
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 207556 KB Output is correct
2 Correct 81 ms 208832 KB Output is correct
3 Correct 66 ms 208836 KB Output is correct
4 Correct 72 ms 209088 KB Output is correct
5 Correct 62 ms 208924 KB Output is correct
6 Correct 72 ms 208836 KB Output is correct
7 Correct 71 ms 209860 KB Output is correct
8 Correct 67 ms 208776 KB Output is correct
9 Correct 70 ms 208860 KB Output is correct
10 Correct 78 ms 208832 KB Output is correct
11 Correct 67 ms 208836 KB Output is correct
12 Correct 70 ms 208836 KB Output is correct
13 Correct 77 ms 208832 KB Output is correct
14 Correct 85 ms 208836 KB Output is correct
15 Correct 107 ms 208832 KB Output is correct
16 Correct 146 ms 208832 KB Output is correct
17 Correct 123 ms 208980 KB Output is correct
18 Correct 117 ms 208836 KB Output is correct
19 Correct 119 ms 208836 KB Output is correct
20 Correct 121 ms 208900 KB Output is correct
21 Correct 130 ms 208832 KB Output is correct
22 Correct 119 ms 208832 KB Output is correct
23 Correct 127 ms 208836 KB Output is correct
24 Correct 121 ms 208772 KB Output is correct
25 Correct 124 ms 208744 KB Output is correct
26 Correct 76 ms 208836 KB Output is correct
27 Correct 71 ms 208836 KB Output is correct
28 Correct 82 ms 208980 KB Output is correct
29 Correct 80 ms 208836 KB Output is correct
30 Correct 100 ms 208928 KB Output is correct
31 Correct 132 ms 208900 KB Output is correct
32 Correct 120 ms 208836 KB Output is correct
33 Correct 140 ms 208752 KB Output is correct
34 Correct 123 ms 208832 KB Output is correct
35 Correct 126 ms 208832 KB Output is correct
36 Correct 120 ms 208832 KB Output is correct
37 Correct 129 ms 208832 KB Output is correct
38 Correct 130 ms 208992 KB Output is correct
39 Correct 118 ms 208832 KB Output is correct
40 Correct 141 ms 208748 KB Output is correct
41 Correct 70 ms 208796 KB Output is correct
42 Correct 60 ms 208848 KB Output is correct
43 Correct 69 ms 208832 KB Output is correct
44 Correct 70 ms 208832 KB Output is correct
45 Correct 67 ms 208832 KB Output is correct
46 Correct 78 ms 208840 KB Output is correct
47 Correct 77 ms 208812 KB Output is correct
48 Correct 82 ms 209020 KB Output is correct
49 Correct 94 ms 208972 KB Output is correct
50 Correct 115 ms 208832 KB Output is correct
51 Correct 128 ms 208832 KB Output is correct
52 Correct 140 ms 208832 KB Output is correct
53 Correct 134 ms 208832 KB Output is correct
54 Correct 133 ms 208832 KB Output is correct
55 Correct 132 ms 208832 KB Output is correct
56 Correct 147 ms 208832 KB Output is correct
57 Correct 130 ms 208904 KB Output is correct
58 Correct 126 ms 208832 KB Output is correct
59 Correct 131 ms 208832 KB Output is correct
60 Correct 133 ms 208836 KB Output is correct
61 Correct 136 ms 208832 KB Output is correct
62 Correct 135 ms 209032 KB Output is correct
63 Correct 132 ms 208988 KB Output is correct
64 Correct 157 ms 208960 KB Output is correct
65 Correct 131 ms 209092 KB Output is correct
66 Correct 125 ms 208832 KB Output is correct
67 Correct 134 ms 208832 KB Output is correct
68 Correct 134 ms 208832 KB Output is correct
69 Correct 140 ms 208820 KB Output is correct
70 Correct 133 ms 209032 KB Output is correct
71 Correct 87 ms 209088 KB Output is correct
72 Correct 84 ms 209092 KB Output is correct
73 Correct 88 ms 208980 KB Output is correct
74 Correct 84 ms 209044 KB Output is correct
75 Correct 86 ms 209088 KB Output is correct
76 Correct 104 ms 209092 KB Output is correct
77 Correct 112 ms 209244 KB Output is correct
78 Correct 96 ms 209088 KB Output is correct
79 Correct 93 ms 209088 KB Output is correct
80 Correct 96 ms 209228 KB Output is correct
81 Correct 116 ms 209344 KB Output is correct
82 Correct 111 ms 209344 KB Output is correct
83 Correct 112 ms 209400 KB Output is correct
84 Correct 112 ms 209516 KB Output is correct
85 Correct 113 ms 209344 KB Output is correct
86 Correct 107 ms 209940 KB Output is correct
87 Correct 110 ms 209860 KB Output is correct
88 Correct 117 ms 209856 KB Output is correct
89 Correct 106 ms 209860 KB Output is correct
90 Correct 107 ms 209960 KB Output is correct
91 Correct 139 ms 223168 KB Output is correct
92 Correct 155 ms 223168 KB Output is correct
93 Correct 137 ms 223164 KB Output is correct
94 Correct 138 ms 223160 KB Output is correct
95 Correct 143 ms 223288 KB Output is correct
96 Correct 146 ms 233660 KB Output is correct
97 Correct 138 ms 233532 KB Output is correct
98 Correct 137 ms 233664 KB Output is correct
99 Correct 137 ms 233520 KB Output is correct
100 Correct 146 ms 233664 KB Output is correct
101 Correct 149 ms 233660 KB Output is correct
102 Correct 140 ms 233660 KB Output is correct
103 Correct 140 ms 233640 KB Output is correct
104 Correct 129 ms 233660 KB Output is correct
105 Correct 143 ms 233664 KB Output is correct
106 Correct 159 ms 238928 KB Output is correct
107 Correct 138 ms 238780 KB Output is correct
108 Correct 170 ms 238780 KB Output is correct
109 Correct 156 ms 238780 KB Output is correct
110 Correct 138 ms 238848 KB Output is correct
111 Correct 129 ms 238740 KB Output is correct
112 Correct 168 ms 238908 KB Output is correct
113 Correct 138 ms 238916 KB Output is correct
114 Correct 140 ms 238784 KB Output is correct
115 Correct 140 ms 238780 KB Output is correct
116 Correct 2689 ms 210656 KB Output is correct
117 Correct 2801 ms 210656 KB Output is correct
118 Correct 3157 ms 210912 KB Output is correct
119 Correct 3177 ms 210892 KB Output is correct
120 Correct 3211 ms 210956 KB Output is correct
121 Correct 3690 ms 210812 KB Output is correct
122 Correct 3787 ms 211016 KB Output is correct
123 Correct 5376 ms 210876 KB Output is correct
124 Correct 5420 ms 211180 KB Output is correct
125 Correct 5609 ms 211392 KB Output is correct
126 Execution timed out 7096 ms 210396 KB Time limit exceeded
127 Halted 0 ms 0 KB -