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Submission #1100986

# Submission time Handle Problem Language Result Execution time Memory
1100986 2024-10-15T07:33:36 Z vjudge1 Fortune Telling 2 (JOI14_fortune_telling2) C++17
100 / 100
 231 ms 30492 KB 
#include<bits/stdc++.h>
using namespace std;
using lli = long long;
const int maxN = 2e5 + 5;
const int LG = 19;
int a[maxN],b[maxN],t[maxN];
int sp[LG][maxN];
int lg[maxN],id[maxN];
lli cnt[maxN],bit[maxN];
lli res;
int n,k;
vector<int> v;
vector<pair<int,int>> q;
void presp()
{
    lg[1] = 0;
    for (int i = 1;i <= k;++i) sp[0][i] = id[i];
    for (int i = 2;i <= k;++i) lg[i] = lg[i / 2] + 1;
    for (int j = 1;j < LG;++j)
        for (int i = 1;i <= k - (1 << j) + 1;++i)
        sp[j][i] = max(sp[j - 1][i],sp[j - 1][i + (1 << (j - 1))]);
}
int get(int l,int r)
{
    int k = lg[r - l + 1];
    return max(sp[k][l],sp[k][r - (1 << k) + 1]);
}
bool cmp(int x,int y)
{
    if (t[x] == t[y]) return x > y;
    return t[x] < t[y];
}
void input()
{
    cin >> n >> k;
    for (int i = 1;i <= n;++i)
    {
        cin >> a[i] >> b[i];
        v.push_back(a[i]);
        v.push_back(b[i]);
    }
    for (int i = 1;i <= k;++i)
    {
        id[i] = i;
        cin >> t[i];
        v.push_back(t[i]);
    }
    sort(id + 1,id + k + 1,cmp);
    sort(v.begin(),v.end());
    v.erase(unique(v.begin(),v.end()),v.end());
    presp();
}
int getid(int x)
{
    return lower_bound(v.begin(),v.end(),x) + 1 - v.begin();
}
bool cmp1(pair<int,int> x,pair<int,int> y)
{
    return max(a[x.second],b[x.second]) > max(b[y.second],a[y.second]);
}
void update(int i,int val)
{
    while (i <= k)
    {
        bit[i] += val;
        i += (i & (-i));
    }
}
lli getsum(int l,int r)
{
    --l;
    lli res = 0;
    while (l > 0)
    {
        res -= bit[l];
        l -= (l & (-l));
    }
    while (r > 0)
    {
        res += bit[r];
        r -= (r & (-r));
    }
    return res;
}
void solve()
{
    for (int i = 1;i <= n;++i)
    {
        int mn = min(a[i],b[i]);
        int mx = max(a[i],b[i]);
        int l = 1,r = k,id1 = 0,id2 = 0;
        while (l <= r)
        {
            int mid = (l + r) / 2;
            if (t[id[mid]] >= mn)
            {
                id1 = mid;
                r = mid - 1;
            }
            else l = mid + 1;
        }
        l = 1;r = k;
        while (l <= r)
        {
            int mid = (l + r) / 2;
            if (t[id[mid]] < mx)
            {
                id2 = mid;
                l = mid + 1;
            }
            else r = mid - 1;
        }
        //cerr << get(id1,id2) << " " << b[i] << " " << id1 << " "  << id2 << "\n";
        if (id1 > id2 || id1 == 0 || id2 == 0) q.push_back({0,i});
        else q.push_back({get(id1,id2),i});
    }
    sort(q.begin(),q.end(),cmp1);
    int it = k;
    lli ans = 0;
    for (int i = 0;i < q.size();++i)
    {
        while (t[id[it]] >= max(b[q[i].second],a[q[i].second]) && it >= 1)
        {
            //cerr << max(b[q[i].second],a[q[i].second]) << " " << id[it] << " " << t[id[it]] << " "  << i << "\n";
            update(id[it],1);--it;
        }
        //cerr << getsum(q[i].first + 1,k) << "\n";
        //cout << q[i].first + 1 << " " << k << "A\n";
        res = getsum(q[i].first + 1,k);
        //cout << q[i].first <<  "\n";
        if (q[i].first == 0 && b[q[i].second] > a[q[i].second]) res--;
        //cout << res << "\n";
        if (res % 2 == 0) ans += max(b[q[i].second],a[q[i].second]);
        else ans += min(b[q[i].second],a[q[i].second]);
    }
    cout << ans;
}
 
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    //freopen("P1.inp","r",stdin);
    //freopen("P1.out","w",stdout);
    input();
    solve();
}

Compilation message

fortune_telling2.cpp: In function 'void solve()':
fortune_telling2.cpp:120:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  120 |     for (int i = 0;i < q.size();++i)
      |                    ~~^~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12624 KB Output is correct
2 Correct 2 ms 12624 KB Output is correct
3 Correct 3 ms 12624 KB Output is correct
4 Correct 2 ms 12624 KB Output is correct
5 Correct 3 ms 12624 KB Output is correct
6 Correct 3 ms 12624 KB Output is correct
7 Correct 2 ms 12624 KB Output is correct
8 Correct 2 ms 12624 KB Output is correct
9 Correct 3 ms 12792 KB Output is correct
10 Correct 2 ms 12792 KB Output is correct
11 Correct 2 ms 12624 KB Output is correct
12 Correct 3 ms 12624 KB Output is correct
13 Correct 3 ms 12624 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12624 KB Output is correct
2 Correct 2 ms 12624 KB Output is correct
3 Correct 3 ms 12624 KB Output is correct
4 Correct 2 ms 12624 KB Output is correct
5 Correct 3 ms 12624 KB Output is correct
6 Correct 3 ms 12624 KB Output is correct
7 Correct 2 ms 12624 KB Output is correct
8 Correct 2 ms 12624 KB Output is correct
9 Correct 3 ms 12792 KB Output is correct
10 Correct 2 ms 12792 KB Output is correct
11 Correct 2 ms 12624 KB Output is correct
12 Correct 3 ms 12624 KB Output is correct
13 Correct 3 ms 12624 KB Output is correct
14 Correct 12 ms 17232 KB Output is correct
15 Correct 19 ms 17500 KB Output is correct
16 Correct 31 ms 17872 KB Output is correct
17 Correct 42 ms 18252 KB Output is correct
18 Correct 42 ms 18248 KB Output is correct
19 Correct 37 ms 18156 KB Output is correct
20 Correct 40 ms 18252 KB Output is correct
21 Correct 37 ms 18252 KB Output is correct
22 Correct 26 ms 20084 KB Output is correct
23 Correct 27 ms 18252 KB Output is correct
24 Correct 33 ms 20064 KB Output is correct
25 Correct 25 ms 20052 KB Output is correct
26 Correct 31 ms 19972 KB Output is correct
27 Correct 36 ms 20052 KB Output is correct
28 Correct 35 ms 20076 KB Output is correct
29 Correct 38 ms 18264 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12624 KB Output is correct
2 Correct 2 ms 12624 KB Output is correct
3 Correct 3 ms 12624 KB Output is correct
4 Correct 2 ms 12624 KB Output is correct
5 Correct 3 ms 12624 KB Output is correct
6 Correct 3 ms 12624 KB Output is correct
7 Correct 2 ms 12624 KB Output is correct
8 Correct 2 ms 12624 KB Output is correct
9 Correct 3 ms 12792 KB Output is correct
10 Correct 2 ms 12792 KB Output is correct
11 Correct 2 ms 12624 KB Output is correct
12 Correct 3 ms 12624 KB Output is correct
13 Correct 3 ms 12624 KB Output is correct
14 Correct 12 ms 17232 KB Output is correct
15 Correct 19 ms 17500 KB Output is correct
16 Correct 31 ms 17872 KB Output is correct
17 Correct 42 ms 18252 KB Output is correct
18 Correct 42 ms 18248 KB Output is correct
19 Correct 37 ms 18156 KB Output is correct
20 Correct 40 ms 18252 KB Output is correct
21 Correct 37 ms 18252 KB Output is correct
22 Correct 26 ms 20084 KB Output is correct
23 Correct 27 ms 18252 KB Output is correct
24 Correct 33 ms 20064 KB Output is correct
25 Correct 25 ms 20052 KB Output is correct
26 Correct 31 ms 19972 KB Output is correct
27 Correct 36 ms 20052 KB Output is correct
28 Correct 35 ms 20076 KB Output is correct
29 Correct 38 ms 18264 KB Output is correct
30 Correct 70 ms 22212 KB Output is correct
31 Correct 107 ms 24212 KB Output is correct
32 Correct 148 ms 24768 KB Output is correct
33 Correct 222 ms 29976 KB Output is correct
34 Correct 54 ms 21964 KB Output is correct
35 Correct 225 ms 30004 KB Output is correct
36 Correct 223 ms 29884 KB Output is correct
37 Correct 222 ms 29880 KB Output is correct
38 Correct 221 ms 29880 KB Output is correct
39 Correct 224 ms 29372 KB Output is correct
40 Correct 198 ms 29376 KB Output is correct
41 Correct 222 ms 29880 KB Output is correct
42 Correct 231 ms 29952 KB Output is correct
43 Correct 118 ms 28184 KB Output is correct
44 Correct 113 ms 28400 KB Output is correct
45 Correct 120 ms 28856 KB Output is correct
46 Correct 132 ms 29368 KB Output is correct
47 Correct 137 ms 29972 KB Output is correct
48 Correct 192 ms 29876 KB Output is correct
49 Correct 173 ms 30492 KB Output is correct