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Submission #1100912

# Submission time Handle Problem Language Result Execution time Memory
1100912 2024-10-15T02:57:19 Z vjudge1 Fortune Telling 2 (JOI14_fortune_telling2) C++17
100 / 100
 210 ms 55860 KB 
#include <bits/stdc++.h>
#define ll long long
#define ld long double
using namespace std;
#define bit(x,y) ((x >> y) & 1)
const ll N = 2e5 + 5;
const ll inf = LLONG_MAX/4;
pair<ll,ll> t[N];
ll a[N],b[N],sus[20][N],haha[N];
ll siu[N],id[N];
vector<ll> messi[N];
ll maxr(ll l, ll r)
{
    int p = __lg(r - l + 1);
    return max(sus[p][l],sus[p][r - (1 << p) + 1]);
}
struct segtree
{
    ll n;
    ll b[N * 4];
    void build(ll n)
    {
        this->n = n;
    }
    void udt(ll x)
    {
        udt(0,1,n,x);
    }
    void udt(ll x, ll l, ll r, ll u)
    {
        if(l == r)
        {
            b[x]++;
        }else
        {
            ll mid = (l + r) / 2;
            if(u <= mid) udt(x * 2 + 1,l,mid,u);
            else udt(x * 2 + 2,mid + 1,r,u);
            b[x] = b[x * 2 + 1] + b[x * 2 + 2];
        }
    }
    ll get(ll l, ll r)
    {
        return get(0,1,n,l,r);
    }
    ll get(ll x, ll l, ll r, ll s, ll e)
    {
        if(e < l || r < s) return 0;
        if(s <= l && r <= e) return b[x];
        ll mid = (l + r) / 2;
        return get(x * 2 + 1,l,mid,s,e) + get(x * 2 + 2,mid + 1,r,s,e);
    }
};
segtree f;
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    ll n,q;
    cin >> n >> q;
    f.build(q);
    ll i,j;
    set<ll> tmp;
    for(i = 1;i <= n;i++)
    {
        cin >> a[i] >> b[i];
    }
    for(i = 1;i <= q;i++)
    {
        cin >> t[i].first;
        t[i].second = i;
    }
    sort(t + 1,t + 1 + q);
    for(i = 1;i <= q;i++)
    {
        id[t[i].second] = i;
        sus[0][i] = t[i].second;
    }
    for(i = 1;i < 20;i++)
    {
        for(j = 1;j <= q;j++)
        {
            sus[i][j] = max(sus[i - 1][j],sus[i - 1][j + (1 << (i - 1))]);
        }
    }
    for(i = 1;i <= n;i++)
    {
        ll s = min(a[i],b[i]);
        ll e = max(a[i],b[i]) - 1;
        if(s > t[q].first || t[1].first > e) continue;
        ll l = 1,r = q;
        ll k1,k2;
        while(true)
        {
            if(l == r)
            {
                k1 = l;
                break;
            }
            if(l + 1 == r)
            {
                if(t[l].first >= s) k1 = l;
                else k1 = r;
                break;
            }
            ll mid = (l + r) / 2;
            if(t[mid].first >= s) r = mid;
            else l = mid + 1;
        }
        l = 1;
        r = q;
        while(true)
        {
            if(l == r)
            {
                k2 = l;
                break;
            }
            if(l + 1 == r)
            {
                if(t[r].first <= e) k2 = r;
                else k2 = l;
                break;
            }
            ll mid = (l + r) / 2;
            if(t[mid].first <= e) l = mid;
            else r = mid - 1;
        }
        if(k1 > k2) haha[i] = 0;
        else haha[i] = maxr(k1,k2);
    }
    for(i = 1;i <= n;i++)
    {
        messi[haha[i]].push_back(i);
    }
    for(i = q;i >= 0;i--)
    {
        for(auto x : messi[i])
        {
            if(i > 0)
            {
                if(a[x] < b[x])
                {
                    siu[x] = 1;
                }
            }

            ll e = max(a[x],b[x]);
            ll l = 1,r = q + 1;
            ll k;
            while(true)
            {
                if(l == r)
                {
                    k = l;
                    break;
                }
                if(l + 1 == r)
                {
                    if(e <= t[l].first) k = l;
                    else k = r;
                    break;
                }
                ll mid = (l + r)/ 2;
                if(e <= t[mid].first) r = mid;
                else l = mid + 1;
            }
            if(k == q + 1) continue;
            siu[x] += f.get(k,q);
        }
        if(i > 0) f.udt(id[i]);
    }
    ll ans = 0;
    for(i = 1;i <= n;i++)
    {
        if(siu[i] % 2 == 0)
        {
            ans += a[i];
        }else
        {
            ans += b[i];
        }
    }
    cout << ans;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 41552 KB Output is correct
2 Correct 5 ms 41552 KB Output is correct
3 Correct 5 ms 41552 KB Output is correct
4 Correct 5 ms 41480 KB Output is correct
5 Correct 5 ms 41552 KB Output is correct
6 Correct 6 ms 41564 KB Output is correct
7 Correct 5 ms 41552 KB Output is correct
8 Correct 6 ms 41552 KB Output is correct
9 Correct 5 ms 41552 KB Output is correct
10 Correct 7 ms 41452 KB Output is correct
11 Correct 6 ms 41552 KB Output is correct
12 Correct 5 ms 41552 KB Output is correct
13 Correct 6 ms 41552 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 41552 KB Output is correct
2 Correct 5 ms 41552 KB Output is correct
3 Correct 5 ms 41552 KB Output is correct
4 Correct 5 ms 41480 KB Output is correct
5 Correct 5 ms 41552 KB Output is correct
6 Correct 6 ms 41564 KB Output is correct
7 Correct 5 ms 41552 KB Output is correct
8 Correct 6 ms 41552 KB Output is correct
9 Correct 5 ms 41552 KB Output is correct
10 Correct 7 ms 41452 KB Output is correct
11 Correct 6 ms 41552 KB Output is correct
12 Correct 5 ms 41552 KB Output is correct
13 Correct 6 ms 41552 KB Output is correct
14 Correct 12 ms 44112 KB Output is correct
15 Correct 19 ms 44624 KB Output is correct
16 Correct 27 ms 44872 KB Output is correct
17 Correct 36 ms 45640 KB Output is correct
18 Correct 36 ms 45516 KB Output is correct
19 Correct 36 ms 45548 KB Output is correct
20 Correct 39 ms 45640 KB Output is correct
21 Correct 35 ms 45580 KB Output is correct
22 Correct 26 ms 45524 KB Output is correct
23 Correct 26 ms 45520 KB Output is correct
24 Correct 28 ms 45648 KB Output is correct
25 Correct 25 ms 45520 KB Output is correct
26 Correct 29 ms 45392 KB Output is correct
27 Correct 33 ms 46928 KB Output is correct
28 Correct 32 ms 46676 KB Output is correct
29 Correct 39 ms 46788 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 41552 KB Output is correct
2 Correct 5 ms 41552 KB Output is correct
3 Correct 5 ms 41552 KB Output is correct
4 Correct 5 ms 41480 KB Output is correct
5 Correct 5 ms 41552 KB Output is correct
6 Correct 6 ms 41564 KB Output is correct
7 Correct 5 ms 41552 KB Output is correct
8 Correct 6 ms 41552 KB Output is correct
9 Correct 5 ms 41552 KB Output is correct
10 Correct 7 ms 41452 KB Output is correct
11 Correct 6 ms 41552 KB Output is correct
12 Correct 5 ms 41552 KB Output is correct
13 Correct 6 ms 41552 KB Output is correct
14 Correct 12 ms 44112 KB Output is correct
15 Correct 19 ms 44624 KB Output is correct
16 Correct 27 ms 44872 KB Output is correct
17 Correct 36 ms 45640 KB Output is correct
18 Correct 36 ms 45516 KB Output is correct
19 Correct 36 ms 45548 KB Output is correct
20 Correct 39 ms 45640 KB Output is correct
21 Correct 35 ms 45580 KB Output is correct
22 Correct 26 ms 45524 KB Output is correct
23 Correct 26 ms 45520 KB Output is correct
24 Correct 28 ms 45648 KB Output is correct
25 Correct 25 ms 45520 KB Output is correct
26 Correct 29 ms 45392 KB Output is correct
27 Correct 33 ms 46928 KB Output is correct
28 Correct 32 ms 46676 KB Output is correct
29 Correct 39 ms 46788 KB Output is correct
30 Correct 71 ms 53580 KB Output is correct
31 Correct 105 ms 53956 KB Output is correct
32 Correct 134 ms 54216 KB Output is correct
33 Correct 194 ms 55388 KB Output is correct
34 Correct 61 ms 53328 KB Output is correct
35 Correct 198 ms 55232 KB Output is correct
36 Correct 210 ms 55228 KB Output is correct
37 Correct 197 ms 55216 KB Output is correct
38 Correct 197 ms 55484 KB Output is correct
39 Correct 203 ms 55624 KB Output is correct
40 Correct 171 ms 55488 KB Output is correct
41 Correct 202 ms 55384 KB Output is correct
42 Correct 191 ms 55272 KB Output is correct
43 Correct 116 ms 55644 KB Output is correct
44 Correct 110 ms 55488 KB Output is correct
45 Correct 111 ms 55616 KB Output is correct
46 Correct 126 ms 55420 KB Output is correct
47 Correct 129 ms 55368 KB Output is correct
48 Correct 169 ms 55524 KB Output is correct
49 Correct 172 ms 55860 KB Output is correct