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Submission #710740

# Submission time Handle Problem Language Result Execution time Memory
710740 2023-03-15T17:27:42 Z PoonYaPat Fortune Telling 2 (JOI14_fortune_telling2) C++14
100 / 100
 921 ms 48840 KB 
#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;

int n,k,s[1<<19],q[200001],fen[600010];
long long ans;
map<int,int> mp;
priority_queue<pii> pq;
vector<int> v[200010];

struct node {
    int a,b;
    bool operator < (const node &o) {
        return max(a,b)>max(o.a,o.b);
    }
} c[200001];

void update(int l, int r, int idx, int x, int val) {
    if (x>r || x<l) return;
    if (l==r) s[idx]=val;
    else {
        int mid=(l+r)/2;
        update(l,mid,2*idx,x,val);
        update(mid+1,r,2*idx+1,x,val);
        s[idx]=max(s[2*idx],s[2*idx+1]);
    }
}


int query(int l, int r, int idx, int val) { //find the first element from left that's more than val
    if (l==r) return l;
    else {
        int mid=(l+r)/2;
        if (s[2*idx+1]>=val) return query(mid+1,r,2*idx+1,val);
        else return query(l,mid,2*idx,val);
    }
}

int f(int x) {
    if (s[1]<x) return 0;
    else return query(1,k,1,x);
}

int find(int x) {
    int sum=0;
    while (x) {
        sum+=fen[x];
        x-=x&-x;
    }
    return sum;
}

void upd(int x) {
    while (x<=600005) {
        ++fen[x];
        x+=x&-x;
    }
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin>>n>>k;
    for (int i=1; i<=n; ++i) {
        cin>>c[i].a>>c[i].b;
        mp[c[i].a]=0; mp[c[i].b]=0;
    }
    sort(c+1,c+n+1);

    for (int i=1; i<=k; ++i) {
        cin>>q[i];
        pq.push(pii(q[i],i));
        update(1,k,1,i,q[i]);
        mp[q[i]]=0;
    }
    int idx=0;
    for (auto it=mp.begin(); it!=mp.end(); ++it) (*it).second=++idx;

    for (int i=1; i<=n; ++i) {
        while (!pq.empty() && pq.top().first>=max(c[i].a,c[i].b)) {
            update(1,k,1,pq.top().second,0);
            pq.pop();
        }
        v[f(min(c[i].a,c[i].b))].push_back(i);
    }

    int cnt=0;
    for (int i=k; i>0; --i) {
        for (auto x : v[i]) {
            if ((cnt-find(mp[max(c[x].a,c[x].b)]-1))%2==0) ans+=max(c[x].a,c[x].b);
            else ans+=min(c[x].a,c[x].b);
        }
        upd(mp[q[i]]); ++cnt;
    }

    for (auto x : v[0]) {
        if ((cnt-find(mp[max(c[x].a,c[x].b)]-1))%2==0) ans+=c[x].a;
        else ans+=c[x].b;
    }
    cout<<ans;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5076 KB Output is correct
2 Correct 4 ms 5204 KB Output is correct
3 Correct 4 ms 5204 KB Output is correct
4 Correct 4 ms 5208 KB Output is correct
5 Correct 4 ms 5204 KB Output is correct
6 Correct 4 ms 5204 KB Output is correct
7 Correct 4 ms 5204 KB Output is correct
8 Correct 4 ms 5204 KB Output is correct
9 Correct 4 ms 5204 KB Output is correct
10 Correct 4 ms 5076 KB Output is correct
11 Correct 3 ms 5204 KB Output is correct
12 Correct 4 ms 5172 KB Output is correct
13 Correct 6 ms 5224 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5076 KB Output is correct
2 Correct 4 ms 5204 KB Output is correct
3 Correct 4 ms 5204 KB Output is correct
4 Correct 4 ms 5208 KB Output is correct
5 Correct 4 ms 5204 KB Output is correct
6 Correct 4 ms 5204 KB Output is correct
7 Correct 4 ms 5204 KB Output is correct
8 Correct 4 ms 5204 KB Output is correct
9 Correct 4 ms 5204 KB Output is correct
10 Correct 4 ms 5076 KB Output is correct
11 Correct 3 ms 5204 KB Output is correct
12 Correct 4 ms 5172 KB Output is correct
13 Correct 6 ms 5224 KB Output is correct
14 Correct 23 ms 7216 KB Output is correct
15 Correct 44 ms 9348 KB Output is correct
16 Correct 71 ms 11508 KB Output is correct
17 Correct 100 ms 13744 KB Output is correct
18 Correct 102 ms 13740 KB Output is correct
19 Correct 104 ms 13840 KB Output is correct
20 Correct 110 ms 13872 KB Output is correct
21 Correct 94 ms 13908 KB Output is correct
22 Correct 79 ms 11376 KB Output is correct
23 Correct 64 ms 10324 KB Output is correct
24 Correct 59 ms 9476 KB Output is correct
25 Correct 78 ms 12136 KB Output is correct
26 Correct 67 ms 11152 KB Output is correct
27 Correct 79 ms 11800 KB Output is correct
28 Correct 77 ms 11712 KB Output is correct
29 Correct 88 ms 12908 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5076 KB Output is correct
2 Correct 4 ms 5204 KB Output is correct
3 Correct 4 ms 5204 KB Output is correct
4 Correct 4 ms 5208 KB Output is correct
5 Correct 4 ms 5204 KB Output is correct
6 Correct 4 ms 5204 KB Output is correct
7 Correct 4 ms 5204 KB Output is correct
8 Correct 4 ms 5204 KB Output is correct
9 Correct 4 ms 5204 KB Output is correct
10 Correct 4 ms 5076 KB Output is correct
11 Correct 3 ms 5204 KB Output is correct
12 Correct 4 ms 5172 KB Output is correct
13 Correct 6 ms 5224 KB Output is correct
14 Correct 23 ms 7216 KB Output is correct
15 Correct 44 ms 9348 KB Output is correct
16 Correct 71 ms 11508 KB Output is correct
17 Correct 100 ms 13744 KB Output is correct
18 Correct 102 ms 13740 KB Output is correct
19 Correct 104 ms 13840 KB Output is correct
20 Correct 110 ms 13872 KB Output is correct
21 Correct 94 ms 13908 KB Output is correct
22 Correct 79 ms 11376 KB Output is correct
23 Correct 64 ms 10324 KB Output is correct
24 Correct 59 ms 9476 KB Output is correct
25 Correct 78 ms 12136 KB Output is correct
26 Correct 67 ms 11152 KB Output is correct
27 Correct 79 ms 11800 KB Output is correct
28 Correct 77 ms 11712 KB Output is correct
29 Correct 88 ms 12908 KB Output is correct
30 Correct 366 ms 22888 KB Output is correct
31 Correct 477 ms 28228 KB Output is correct
32 Correct 602 ms 34936 KB Output is correct
33 Correct 915 ms 48360 KB Output is correct
34 Correct 282 ms 21496 KB Output is correct
35 Correct 902 ms 48420 KB Output is correct
36 Correct 921 ms 48380 KB Output is correct
37 Correct 917 ms 48192 KB Output is correct
38 Correct 853 ms 48624 KB Output is correct
39 Correct 863 ms 48272 KB Output is correct
40 Correct 666 ms 48840 KB Output is correct
41 Correct 848 ms 48292 KB Output is correct
42 Correct 893 ms 48444 KB Output is correct
43 Correct 463 ms 47636 KB Output is correct
44 Correct 449 ms 47824 KB Output is correct
45 Correct 467 ms 47968 KB Output is correct
46 Correct 487 ms 31552 KB Output is correct
47 Correct 429 ms 25948 KB Output is correct
48 Correct 583 ms 38332 KB Output is correct
49 Correct 573 ms 38456 KB Output is correct