oj.uz

Submission #846760

# Submission time Handle Problem Language Result Execution time Memory
846760 2023-09-08T11:42:09 Z sugartheanh Fortune Telling 2 (JOI14_fortune_telling2) C++14
100 / 100
 781 ms 164136 KB 
#pragma GCC optimize("O2")
#include<bits/stdc++.h>
#define fi first
#define se second
#define fo(i,a,b) for(int i=a;i<=b;++i)
#define fod(i,a,b) for(int i=a;i>=b;--i)
#define ii pair<int,int>
#define task "new"
#define ll long long
using namespace std;
const int mod=1e9+7;
const int N=2e5+5;
int n,k,a[N],b[N],t[N];
vector<int>arr,post[N*3],st[(N*3)<<2];
void build(int id,int l,int r)
{
    if(l == r)
    {
        if(post[l].empty())
        {
            st[id].push_back(-1);
            return ;
        }
        for(auto u : post[l])
            st[id].push_back(u);
//        if(l == 11)
//        {
//            for(auto u : st[id])
//                cout<<u<<' ';
//            cout<<'\n';
//        }
        //st[id].push_back(post[l] > 0 ? post[l] : -1);
        return ;
    }
    int mid = l + r >> 1;
    build(id<<1,l,mid);
    build(id<<1|1,mid+1,r);
    st[id].resize(st[id<<1].size() + st[id<<1|1].size());
    merge(st[id<<1].begin(), st[id<<1].end(),
          st[id<<1|1].begin(), st[id<<1|1].end(), st[id].begin());
}
int getmax(int id,int l,int r,int u,int v)
{
    if(r < u || v < l)
        return 0;
    if(u <= l && r <= v)
    {
        return st[id].back();
    }
    int mid = l + r >> 1;
    return max(getmax(id<<1,l,mid,u,v), getmax(id<<1|1,mid+1,r,u,v));
}
int getnum(int id,int l,int r,int u,int v,int k)
{
    if(r < u || v < l)
        return 0;
    if(u <= l && r <= v)
    {
//        cout<<l<<' '<<r<<'\n';
//        for(auto u : st[id])
//            cout<<u<<' ';
//        cout<<'\n';
        int res = lower_bound(st[id].begin(),st[id].end(),k) - st[id].begin();
        return st[id].size() - res;
    }
    int mid = l + r >> 1;
    return getnum(id<<1,l,mid,u,v,k) + getnum(id<<1|1,mid+1,r,u,v,k);
}
int main()
{
    ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    if(fopen(task".inp","r")){
        freopen(task".inp","r",stdin);
        freopen(task".out","w",stdout);
    }
    cin>>n>>k;
    fo(i,1,n)
    {
        cin>>a[i]>>b[i];
        arr.push_back(a[i]);
        arr.push_back(b[i]);
    }
    fo(i,1,k)
    {
        cin>>t[i];
        arr.push_back(t[i]);
    }
    sort(arr.begin(),arr.end());
    int m = arr.size();
    fo(i,1,n)
    {
        a[i] = upper_bound(arr.begin(),arr.end(),a[i]) - arr.begin();
        b[i] = upper_bound(arr.begin(),arr.end(),b[i]) - arr.begin();
    }
    fo(i,1,k)
    {
        t[i] = upper_bound(arr.begin(),arr.end(),t[i]) - arr.begin();
        post[t[i]].push_back(i);
    }
    build(1,1,m);
    ll ans = 0;
    fo(i,1,n)
    {
        bool sw = 0;
        if(a[i] > b[i])
            swap(a[i], b[i]), sw = 1;
        int pos = getmax(1,1,m,a[i],b[i]-1);
        int num = getnum(1,1,m,b[i],m,pos);
        if(pos > 0)
        {
            ans += arr[num & 1 ? a[i]-1 : b[i]-1];
            //cout<<arr[num & 1 ? a[i]-1 : b[i]-1]<<'\n';
        }
        else
        {
            ans += arr[(num + sw) & 1 ? b[i]-1 : a[i]-1];
            //cout<<arr[(num + sw) & 1 ? b[i]-1 : a[i]-1]<<'\n';
        }
    }
    cout<<ans;
}
//25
//24
//12
//19
//20
//8
//14
//15

Compilation message

fortune_telling2.cpp: In function 'void build(int, int, int)':
fortune_telling2.cpp:35:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   35 |     int mid = l + r >> 1;
      |               ~~^~~
fortune_telling2.cpp: In function 'int getmax(int, int, int, int, int)':
fortune_telling2.cpp:50:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   50 |     int mid = l + r >> 1;
      |               ~~^~~
fortune_telling2.cpp: In function 'int getnum(int, int, int, int, int, int)':
fortune_telling2.cpp:66:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   66 |     int mid = l + r >> 1;
      |               ~~^~~
fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:73:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   73 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:74:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   74 |         freopen(task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 72536 KB Output is correct
2 Correct 17 ms 72540 KB Output is correct
3 Correct 17 ms 72592 KB Output is correct
4 Correct 17 ms 72796 KB Output is correct
5 Correct 17 ms 72796 KB Output is correct
6 Correct 17 ms 72796 KB Output is correct
7 Correct 18 ms 72796 KB Output is correct
8 Correct 16 ms 72676 KB Output is correct
9 Correct 17 ms 72796 KB Output is correct
10 Correct 16 ms 72656 KB Output is correct
11 Correct 17 ms 72796 KB Output is correct
12 Correct 17 ms 72796 KB Output is correct
13 Correct 17 ms 72796 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 72536 KB Output is correct
2 Correct 17 ms 72540 KB Output is correct
3 Correct 17 ms 72592 KB Output is correct
4 Correct 17 ms 72796 KB Output is correct
5 Correct 17 ms 72796 KB Output is correct
6 Correct 17 ms 72796 KB Output is correct
7 Correct 18 ms 72796 KB Output is correct
8 Correct 16 ms 72676 KB Output is correct
9 Correct 17 ms 72796 KB Output is correct
10 Correct 16 ms 72656 KB Output is correct
11 Correct 17 ms 72796 KB Output is correct
12 Correct 17 ms 72796 KB Output is correct
13 Correct 17 ms 72796 KB Output is correct
14 Correct 34 ms 76124 KB Output is correct
15 Correct 59 ms 80088 KB Output is correct
16 Correct 80 ms 84180 KB Output is correct
17 Correct 106 ms 88320 KB Output is correct
18 Correct 128 ms 88572 KB Output is correct
19 Correct 108 ms 88320 KB Output is correct
20 Correct 109 ms 88272 KB Output is correct
21 Correct 110 ms 88236 KB Output is correct
22 Correct 83 ms 88476 KB Output is correct
23 Correct 83 ms 88528 KB Output is correct
24 Correct 84 ms 88496 KB Output is correct
25 Correct 82 ms 88552 KB Output is correct
26 Correct 83 ms 86596 KB Output is correct
27 Correct 104 ms 88564 KB Output is correct
28 Correct 90 ms 88388 KB Output is correct
29 Correct 106 ms 88272 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 72536 KB Output is correct
2 Correct 17 ms 72540 KB Output is correct
3 Correct 17 ms 72592 KB Output is correct
4 Correct 17 ms 72796 KB Output is correct
5 Correct 17 ms 72796 KB Output is correct
6 Correct 17 ms 72796 KB Output is correct
7 Correct 18 ms 72796 KB Output is correct
8 Correct 16 ms 72676 KB Output is correct
9 Correct 17 ms 72796 KB Output is correct
10 Correct 16 ms 72656 KB Output is correct
11 Correct 17 ms 72796 KB Output is correct
12 Correct 17 ms 72796 KB Output is correct
13 Correct 17 ms 72796 KB Output is correct
14 Correct 34 ms 76124 KB Output is correct
15 Correct 59 ms 80088 KB Output is correct
16 Correct 80 ms 84180 KB Output is correct
17 Correct 106 ms 88320 KB Output is correct
18 Correct 128 ms 88572 KB Output is correct
19 Correct 108 ms 88320 KB Output is correct
20 Correct 109 ms 88272 KB Output is correct
21 Correct 110 ms 88236 KB Output is correct
22 Correct 83 ms 88476 KB Output is correct
23 Correct 83 ms 88528 KB Output is correct
24 Correct 84 ms 88496 KB Output is correct
25 Correct 82 ms 88552 KB Output is correct
26 Correct 83 ms 86596 KB Output is correct
27 Correct 104 ms 88564 KB Output is correct
28 Correct 90 ms 88388 KB Output is correct
29 Correct 106 ms 88272 KB Output is correct
30 Correct 201 ms 106004 KB Output is correct
31 Correct 291 ms 116200 KB Output is correct
32 Correct 461 ms 129584 KB Output is correct
33 Correct 744 ms 157944 KB Output is correct
34 Correct 162 ms 105040 KB Output is correct
35 Correct 767 ms 162752 KB Output is correct
36 Correct 744 ms 162384 KB Output is correct
37 Correct 735 ms 162416 KB Output is correct
38 Correct 749 ms 162904 KB Output is correct
39 Correct 776 ms 164088 KB Output is correct
40 Correct 770 ms 162560 KB Output is correct
41 Correct 780 ms 163084 KB Output is correct
42 Correct 781 ms 163296 KB Output is correct
43 Correct 446 ms 161876 KB Output is correct
44 Correct 440 ms 162752 KB Output is correct
45 Correct 466 ms 162848 KB Output is correct
46 Correct 507 ms 163336 KB Output is correct
47 Correct 472 ms 163912 KB Output is correct
48 Correct 651 ms 164136 KB Output is correct
49 Correct 601 ms 163520 KB Output is correct