oj.uz

Submission #151581

# Submission time Handle Problem Language Result Execution time Memory
151581 2019-09-03T15:20:01 Z 2qbingxuan Examination (JOI19_examination) C++14
100 / 100
 491 ms 18952 KB 
//   __________________
//  | ________________ |
//  ||          ____  ||
//  ||   /\    |      ||
//  ||  /__\   |      ||
//  || /    \  |____  ||
//  ||________________||
//  |__________________|
//  \\#################\\
//   \\#################\\
//    \        ____       \
//     \_______\___\_______\
// An AC a day keeps the doctor away.

#pragma GCC optimize("Ofast")
#pragma loop_opt(on)
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define debug(x) (cerr<<#x<<" = "<<(x)<<'\n')
#define all(v) begin(v),end(v)
#define siz(v) (ll(v.size()))
#define get_pos(v,x) (lower_bound(all(v),x)-begin(v))
#define pb emplace_back
#define ff first
#define ss second
#define mid (l+(r-l>>1))

using namespace std;
using namespace __gnu_pbds;
typedef int64_t ll;
typedef long double ld;
typedef pair<ll,ll> pll;
template <typename T> using rkt = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;
constexpr ld PI = acos(-1), eps = 1e-9;
constexpr ll N = 200800, INF = 1e18, MOD = 998244353, K = 102425;
constexpr inline ll cdiv(ll x, ll m) { return (x+m-1)/m; } // ceiling divide, x/m for flooring divide
template <typename T> void M(T &x, ll m = MOD){x%=m; if(x<0) x+=m;}

struct Query{
    ll k,x,y,z;
} Q[N];
ll v[N],b[N],ans[N];
void add(int p, ll d) {
    for(; p < N; p += p&-p) b[p] += d;
}
ll qry(int p) {
    ll r = 0;
    for(; p > 0; p -= p&-p) r += b[p];
    return r;
}
void merges(int l,int m,int r) {
    auto cmp = [](int a, int b){return Q[a].y != Q[b].y ? Q[a].y < Q[b].y : a<b;};
    vector<int> tmp;
    for(int i = l, j = m; i<m || j<r; ) {
        if(j==r || (i<m && cmp(v[i],v[j]))) {
            auto &q = Q[v[i]];
            if(q.k == 0) add(q.z,1);
            tmp.pb(v[i++]);
        }else {
            auto &q = Q[v[j]];
            if(q.k == 1) ans[v[j]] += qry(q.z);
            tmp.pb(v[j++]);
        }
    }
    for(int i = l; i < m; i++) if(Q[v[i]].k == 0) add(Q[v[i]].z,-1);
    for(int i = l; i < r; i++) v[i] = tmp[i-l];
}
void CDQ(int l, int r) {
    if(l+1 == r) return;
    CDQ(l,mid), CDQ(mid,r);
    merges(l,mid,r);
}
signed main() {
    ios_base::sync_with_stdio(0), cin.tie(0);
    ll n,q,x,y,z,p = 0;
    cin >> n >> q;
    for(int i = 0; i < n; i++) {
        cin >> x >> y, z = x+y;
        Q[p++] = {0,-x,-y,-z};
    }
    for(int i = 0; i < q; i++) {
        cin >> x >> y >> z;
        Q[p++] = {1,-x,-y,-z};
    }
    vector<ll> u;
    for(int i = 0; i < p; i++) u.pb(Q[i].z);
    sort(all(u)), u.erase(unique(all(u)),u.end());
    for(int i = 0; i < p; i++) Q[i].z = get_pos(u,Q[i].z)+1;
    iota(v,v+p,0);
    sort(v,v+p,[](int a, int b){return Q[a].x!=Q[b].x ? Q[a].x < Q[b].x : a<b;});
    CDQ(0,p);
    for(int i = 0; i < q; i++) cout << ans[i+n] << '\n';
    /*
    for(int i = 0; i < p; i++) if(Q[i].k == 1) {
        auto &p = Q[i];
        int ans = 0;
        for(int j = 0; j < i; j++) {
            auto &q = Q[j];
            if(q.k == 0 && q.x >= p.x && q.y >= p.y && q.z >= p.z) ans++;
        }
        cout << ans << '\n';
    }
    */
}

Compilation message

examination.cpp:9:1: warning: multi-line comment [-Wcomment]
 //  \\#################\\
 ^
examination.cpp:16:0: warning: ignoring #pragma loop_opt  [-Wunknown-pragmas]
 #pragma loop_opt(on)
 
examination.cpp: In function 'void CDQ(int, int)':
examination.cpp:27:18: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
 #define mid (l+(r-l>>1))
                 ~^~
examination.cpp:71:11: note: in expansion of macro 'mid'
     CDQ(l,mid), CDQ(mid,r);
           ^~~
examination.cpp:27:18: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
 #define mid (l+(r-l>>1))
                 ~^~
examination.cpp:71:21: note: in expansion of macro 'mid'
     CDQ(l,mid), CDQ(mid,r);
                     ^~~
examination.cpp:27:18: warning: suggest parentheses around '-' inside '>>' [-Wparentheses]
 #define mid (l+(r-l>>1))
                 ~^~
examination.cpp:72:14: note: in expansion of macro 'mid'
     merges(l,mid,r);
              ^~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 388 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 11 ms 1020 KB Output is correct
8 Correct 11 ms 888 KB Output is correct
9 Correct 11 ms 1016 KB Output is correct
10 Correct 10 ms 888 KB Output is correct
11 Correct 10 ms 888 KB Output is correct
12 Correct 9 ms 760 KB Output is correct
13 Correct 11 ms 888 KB Output is correct
14 Correct 10 ms 888 KB Output is correct
15 Correct 10 ms 888 KB Output is correct
16 Correct 9 ms 928 KB Output is correct
17 Correct 10 ms 888 KB Output is correct
18 Correct 7 ms 760 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 384 ms 15572 KB Output is correct
2 Correct 376 ms 15460 KB Output is correct
3 Correct 379 ms 15524 KB Output is correct
4 Correct 350 ms 14640 KB Output is correct
5 Correct 328 ms 14640 KB Output is correct
6 Correct 263 ms 13416 KB Output is correct
7 Correct 355 ms 15496 KB Output is correct
8 Correct 363 ms 15432 KB Output is correct
9 Correct 349 ms 15288 KB Output is correct
10 Correct 292 ms 14636 KB Output is correct
11 Correct 314 ms 14568 KB Output is correct
12 Correct 242 ms 13420 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 384 ms 15572 KB Output is correct
2 Correct 376 ms 15460 KB Output is correct
3 Correct 379 ms 15524 KB Output is correct
4 Correct 350 ms 14640 KB Output is correct
5 Correct 328 ms 14640 KB Output is correct
6 Correct 263 ms 13416 KB Output is correct
7 Correct 355 ms 15496 KB Output is correct
8 Correct 363 ms 15432 KB Output is correct
9 Correct 349 ms 15288 KB Output is correct
10 Correct 292 ms 14636 KB Output is correct
11 Correct 314 ms 14568 KB Output is correct
12 Correct 242 ms 13420 KB Output is correct
13 Correct 474 ms 16480 KB Output is correct
14 Correct 437 ms 16236 KB Output is correct
15 Correct 396 ms 15464 KB Output is correct
16 Correct 390 ms 15200 KB Output is correct
17 Correct 375 ms 15180 KB Output is correct
18 Correct 296 ms 13564 KB Output is correct
19 Correct 449 ms 16236 KB Output is correct
20 Correct 445 ms 16332 KB Output is correct
21 Correct 408 ms 16232 KB Output is correct
22 Correct 304 ms 14696 KB Output is correct
23 Correct 316 ms 14696 KB Output is correct
24 Correct 239 ms 13416 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 388 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 11 ms 1020 KB Output is correct
8 Correct 11 ms 888 KB Output is correct
9 Correct 11 ms 1016 KB Output is correct
10 Correct 10 ms 888 KB Output is correct
11 Correct 10 ms 888 KB Output is correct
12 Correct 9 ms 760 KB Output is correct
13 Correct 11 ms 888 KB Output is correct
14 Correct 10 ms 888 KB Output is correct
15 Correct 10 ms 888 KB Output is correct
16 Correct 9 ms 928 KB Output is correct
17 Correct 10 ms 888 KB Output is correct
18 Correct 7 ms 760 KB Output is correct
19 Correct 384 ms 15572 KB Output is correct
20 Correct 376 ms 15460 KB Output is correct
21 Correct 379 ms 15524 KB Output is correct
22 Correct 350 ms 14640 KB Output is correct
23 Correct 328 ms 14640 KB Output is correct
24 Correct 263 ms 13416 KB Output is correct
25 Correct 355 ms 15496 KB Output is correct
26 Correct 363 ms 15432 KB Output is correct
27 Correct 349 ms 15288 KB Output is correct
28 Correct 292 ms 14636 KB Output is correct
29 Correct 314 ms 14568 KB Output is correct
30 Correct 242 ms 13420 KB Output is correct
31 Correct 474 ms 16480 KB Output is correct
32 Correct 437 ms 16236 KB Output is correct
33 Correct 396 ms 15464 KB Output is correct
34 Correct 390 ms 15200 KB Output is correct
35 Correct 375 ms 15180 KB Output is correct
36 Correct 296 ms 13564 KB Output is correct
37 Correct 449 ms 16236 KB Output is correct
38 Correct 445 ms 16332 KB Output is correct
39 Correct 408 ms 16232 KB Output is correct
40 Correct 304 ms 14696 KB Output is correct
41 Correct 316 ms 14696 KB Output is correct
42 Correct 239 ms 13416 KB Output is correct
43 Correct 453 ms 18792 KB Output is correct
44 Correct 491 ms 18800 KB Output is correct
45 Correct 461 ms 18952 KB Output is correct
46 Correct 406 ms 17448 KB Output is correct
47 Correct 393 ms 17264 KB Output is correct
48 Correct 286 ms 13544 KB Output is correct
49 Correct 416 ms 18592 KB Output is correct
50 Correct 480 ms 18692 KB Output is correct
51 Correct 423 ms 18536 KB Output is correct
52 Correct 357 ms 17288 KB Output is correct
53 Correct 319 ms 15724 KB Output is correct