oj.uz

Submission #1109147

# Submission time Handle Problem Language Result Execution time Memory
1109147 2024-11-06T06:05:16 Z azberjibiou Sushi (JOI16_sushi) C++17
100 / 100
 2271 ms 6868 KB 
#include <bits/stdc++.h>
#define all(v) v.begin(), v.end()
#define pb push_back
#define lb lower_bound
#define gibon ios::sync_with_stdio(false); cin.tie(0);
#define fi first
#define se second
#define pii pair<int, int>
#define pll pair<ll, ll>
typedef long long ll;
using namespace std;
const int mxN=400400;
const int mxQ=25050;
const int MOD=998244353;
const ll INF=1e18;
const int B=400;
int N, Q;
int A[mxN];
int s[mxQ], e[mxQ], h[mxQ];
int ans[mxQ];
priority_queue <int> pqA[2*B+5], pqH[2*B+5];
void input(){
    cin >> N >> Q;
    for(int i=1;i<=N;i++) cin >> A[i];
    for(int i=1;i<=Q;i++) cin >> s[i] >> e[i] >> h[i];
}
void add(int idx, int &nh){
    int maxi=pqA[idx].top();
    if(maxi<=nh) return;
    pqA[idx].pop();
    pqA[idx].push(nh);
    pqH[idx].push(-nh);
    nh=maxi;
}
void solv(int l, int r){
    vector <int> cr;
    cr.push_back(1); cr.push_back(N+1);
    for(int i=l;i<=r;i++) cr.push_back(s[i]), cr.push_back(e[i]+1);
    sort(all(cr));
    cr.erase(unique(all(cr)), cr.end());
    for(int i=0;i<cr.size()-1;i++){
        for(int j=cr[i];j<cr[i+1];j++) pqA[i].push(A[j]);
    }
    for(int i=l;i<=r;i++){
        int ns=s[i], ne=e[i]+1;
        ns=lower_bound(all(cr), ns)-cr.begin();
        ne=lower_bound(all(cr), ne)-cr.begin();
        if(ns<ne){
            int nh=h[i];
            for(int j=ns;j<ne;j++) add(j, nh);
            ans[i]=nh;
        }
        else{
            int nh=h[i];
            for(int j=ns;j+1<cr.size();j++) add(j, nh);
            for(int j=0;j<ne;j++) add(j, nh);
            ans[i]=nh;
        }
    }
    for(int i=0;i+1<cr.size();i++){
        for(int j=cr[i];j<cr[i+1];j++){
            if(pqH[i].empty()) break;
            int mini=-pqH[i].top();
            if(mini>=A[j]) continue;
            pqH[i].pop();
            pqH[i].push(-A[j]);
            A[j]=mini;
        }
    }

    for(int i=0;i<cr.size();i++) pqH[i]=priority_queue<int>(), pqA[i]=priority_queue<int>();
}
int main(){
    gibon
    input();
    for(int i=1;i<=Q;i+=B){
        solv(i, min(i+B-1, Q));
    }
    for(int i=1;i<=Q;i++) cout << ans[i] << '\n';
}

Compilation message

sushi.cpp: In function 'void solv(int, int)':
sushi.cpp:41:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |     for(int i=0;i<cr.size()-1;i++){
      |                 ~^~~~~~~~~~~~
sushi.cpp:55:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |             for(int j=ns;j+1<cr.size();j++) add(j, nh);
      |                          ~~~^~~~~~~~~~
sushi.cpp:60:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   60 |     for(int i=0;i+1<cr.size();i++){
      |                 ~~~^~~~~~~~~~
sushi.cpp:71:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |     for(int i=0;i<cr.size();i++) pqH[i]=priority_queue<int>(), pqA[i]=priority_queue<int>();
      |                 ~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 592 KB Output is correct
2 Correct 9 ms 592 KB Output is correct
3 Correct 9 ms 592 KB Output is correct
4 Correct 6 ms 592 KB Output is correct
5 Correct 6 ms 616 KB Output is correct
6 Correct 6 ms 632 KB Output is correct
7 Correct 5 ms 592 KB Output is correct
8 Correct 4 ms 592 KB Output is correct
9 Correct 6 ms 656 KB Output is correct
10 Correct 6 ms 592 KB Output is correct
11 Correct 12 ms 1104 KB Output is correct
12 Correct 12 ms 1120 KB Output is correct
13 Correct 21 ms 848 KB Output is correct
14 Correct 7 ms 604 KB Output is correct
15 Correct 10 ms 592 KB Output is correct
16 Correct 3 ms 612 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 786 ms 6080 KB Output is correct
2 Correct 751 ms 6088 KB Output is correct
3 Correct 420 ms 6140 KB Output is correct
4 Correct 780 ms 6084 KB Output is correct
5 Correct 1773 ms 6184 KB Output is correct
6 Correct 2244 ms 6080 KB Output is correct
7 Correct 2229 ms 6076 KB Output is correct
8 Correct 2102 ms 6076 KB Output is correct
9 Correct 304 ms 6132 KB Output is correct
10 Correct 1942 ms 6068 KB Output is correct
11 Correct 263 ms 6136 KB Output is correct
12 Correct 1883 ms 6092 KB Output is correct
13 Correct 798 ms 6080 KB Output is correct
14 Correct 804 ms 6084 KB Output is correct
15 Correct 461 ms 6116 KB Output is correct
16 Correct 752 ms 6096 KB Output is correct
17 Correct 1667 ms 6080 KB Output is correct
18 Correct 2149 ms 6056 KB Output is correct
19 Correct 2080 ms 6072 KB Output is correct
20 Correct 2118 ms 6076 KB Output is correct

Subtask #3
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 592 KB Output is correct
2 Correct 9 ms 592 KB Output is correct
3 Correct 9 ms 592 KB Output is correct
4 Correct 6 ms 592 KB Output is correct
5 Correct 6 ms 616 KB Output is correct
6 Correct 6 ms 632 KB Output is correct
7 Correct 5 ms 592 KB Output is correct
8 Correct 4 ms 592 KB Output is correct
9 Correct 6 ms 656 KB Output is correct
10 Correct 6 ms 592 KB Output is correct
11 Correct 12 ms 1104 KB Output is correct
12 Correct 12 ms 1120 KB Output is correct
13 Correct 21 ms 848 KB Output is correct
14 Correct 7 ms 604 KB Output is correct
15 Correct 10 ms 592 KB Output is correct
16 Correct 3 ms 612 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 786 ms 6080 KB Output is correct
24 Correct 751 ms 6088 KB Output is correct
25 Correct 420 ms 6140 KB Output is correct
26 Correct 780 ms 6084 KB Output is correct
27 Correct 1773 ms 6184 KB Output is correct
28 Correct 2244 ms 6080 KB Output is correct
29 Correct 2229 ms 6076 KB Output is correct
30 Correct 2102 ms 6076 KB Output is correct
31 Correct 304 ms 6132 KB Output is correct
32 Correct 1942 ms 6068 KB Output is correct
33 Correct 263 ms 6136 KB Output is correct
34 Correct 1883 ms 6092 KB Output is correct
35 Correct 798 ms 6080 KB Output is correct
36 Correct 804 ms 6084 KB Output is correct
37 Correct 461 ms 6116 KB Output is correct
38 Correct 752 ms 6096 KB Output is correct
39 Correct 1667 ms 6080 KB Output is correct
40 Correct 2149 ms 6056 KB Output is correct
41 Correct 2080 ms 6072 KB Output is correct
42 Correct 2118 ms 6076 KB Output is correct
43 Correct 517 ms 4936 KB Output is correct
44 Correct 502 ms 4936 KB Output is correct
45 Correct 258 ms 4688 KB Output is correct
46 Correct 516 ms 4940 KB Output is correct
47 Correct 494 ms 4936 KB Output is correct
48 Correct 1619 ms 5460 KB Output is correct
49 Correct 1867 ms 5484 KB Output is correct
50 Correct 1840 ms 5456 KB Output is correct
51 Correct 1754 ms 5452 KB Output is correct
52 Correct 540 ms 5104 KB Output is correct
53 Correct 529 ms 4912 KB Output is correct
54 Correct 1925 ms 5908 KB Output is correct
55 Correct 2240 ms 5788 KB Output is correct
56 Correct 2085 ms 5776 KB Output is correct
57 Correct 2009 ms 5756 KB Output is correct
58 Correct 1623 ms 5340 KB Output is correct
59 Correct 1720 ms 5316 KB Output is correct
60 Correct 1981 ms 6260 KB Output is correct
61 Correct 2135 ms 6224 KB Output is correct
62 Correct 2271 ms 6236 KB Output is correct
63 Correct 2267 ms 6276 KB Output is correct
64 Correct 163 ms 4712 KB Output is correct
65 Correct 1858 ms 6736 KB Output is correct
66 Correct 1752 ms 6228 KB Output is correct
67 Correct 1405 ms 6728 KB Output is correct
68 Correct 1719 ms 6824 KB Output is correct
69 Correct 1701 ms 6840 KB Output is correct
70 Correct 1631 ms 6868 KB Output is correct