oj.uz

Submission #859392

# Submission time Handle Problem Language Result Execution time Memory
859392 2023-10-10T05:57:09 Z kim Rarest Insects (IOI22_insects) C++17
99.95 / 100
 37 ms 1672 KB 
#include "insects.h"
#include<bits/stdc++.h>

using namespace std;

#define in move_inside
#define press press_button
#define out move_outside

set<int> mp,mp2,mp3;
int n,p;

bool check(int k1){
    stack<int> st;
    for(int i=0;i<n;++i){
        if(mp.size()==p*k1) break;
        if(mp.count(i)) continue;
        if(mp3.count(i)) continue;
        in(i);
        if(press()>k1) out(i);
        else mp.insert(i),st.push(i);
    }
    if(mp.size()==p*k1){
        for(auto &e:mp) if(mp2.count(e)) mp2.erase(e);
        return 1;
    }
    stack<int> st2;
    for(auto &e:mp2){
        if(!mp.count(e)) st2.push(e);
    }
    while(!st2.empty()){
        mp2.erase(st2.top());
        mp3.insert(st2.top());
        st2.pop();
    }
    while(st.size()){
        mp.erase(st.top());
        out(st.top());
        st.pop();
    }
    return 0;
}

int min_cardinality(int N){
    n=N;
    for(int i=0;i<n;++i){
        in(i);
        if(press()>1) out(i),mp2.insert(i);
        else mp.insert(i);
    }
    p=mp.size();

    int l=1,r=n/p;
    while(l<r){
        int mid=l+(r-l+1>>1);
        if(check(mid)) l=mid;
        else r=mid-1;
    }
    return l;
}

Compilation message

insects.cpp: In function 'bool check(int)':
insects.cpp:16:21: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   16 |         if(mp.size()==p*k1) break;
      |            ~~~~~~~~~^~~~~~
insects.cpp:23:17: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   23 |     if(mp.size()==p*k1){
      |        ~~~~~~~~~^~~~~~
insects.cpp: In function 'int min_cardinality(int)':
insects.cpp:55:23: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   55 |         int mid=l+(r-l+1>>1);
      |                    ~~~^~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 440 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 448 KB Output is correct
13 Correct 2 ms 600 KB Output is correct
14 Correct 2 ms 436 KB Output is correct
15 Correct 2 ms 600 KB Output is correct
16 Correct 2 ms 600 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 3 ms 856 KB Output is correct
19 Correct 2 ms 448 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 596 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 2 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 440 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 3 ms 448 KB Output is correct
13 Correct 2 ms 600 KB Output is correct
14 Correct 2 ms 436 KB Output is correct
15 Correct 2 ms 600 KB Output is correct
16 Correct 2 ms 600 KB Output is correct
17 Correct 2 ms 380 KB Output is correct
18 Correct 3 ms 856 KB Output is correct
19 Correct 2 ms 448 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 9 ms 1112 KB Output is correct
24 Correct 5 ms 856 KB Output is correct
25 Correct 11 ms 600 KB Output is correct
26 Correct 13 ms 952 KB Output is correct
27 Correct 16 ms 856 KB Output is correct
28 Correct 4 ms 720 KB Output is correct
29 Correct 15 ms 592 KB Output is correct
30 Correct 15 ms 1128 KB Output is correct
31 Correct 11 ms 1372 KB Output is correct
32 Correct 12 ms 944 KB Output is correct
33 Correct 12 ms 600 KB Output is correct
34 Correct 11 ms 600 KB Output is correct
35 Correct 10 ms 1112 KB Output is correct
36 Correct 10 ms 464 KB Output is correct
37 Correct 14 ms 600 KB Output is correct
38 Correct 13 ms 1112 KB Output is correct
39 Correct 9 ms 1212 KB Output is correct
40 Correct 9 ms 856 KB Output is correct
41 Correct 4 ms 600 KB Output is correct

Subtask #3
74.95 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 22 ms 756 KB Output is correct
8 Correct 11 ms 1028 KB Output is correct
9 Correct 23 ms 1104 KB Output is correct
10 Correct 31 ms 856 KB Output is correct
11 Correct 23 ms 1636 KB Output is correct
12 Correct 16 ms 980 KB Output is correct
13 Correct 36 ms 1624 KB Output is correct
14 Correct 33 ms 1464 KB Output is correct
15 Correct 22 ms 972 KB Output is correct
16 Correct 24 ms 860 KB Output is correct
17 Correct 23 ms 1028 KB Output is correct
18 Correct 23 ms 1144 KB Output is correct
19 Correct 27 ms 1112 KB Output is correct
20 Correct 25 ms 856 KB Output is correct
21 Correct 25 ms 952 KB Output is correct
22 Correct 31 ms 1008 KB Output is correct
23 Correct 25 ms 1028 KB Output is correct
24 Correct 24 ms 976 KB Output is correct
25 Correct 15 ms 1212 KB Output is correct
26 Correct 11 ms 992 KB Output is correct
27 Correct 28 ms 1284 KB Output is correct
28 Correct 20 ms 1240 KB Output is correct
29 Correct 29 ms 1468 KB Output is correct
30 Correct 28 ms 984 KB Output is correct
31 Correct 30 ms 772 KB Output is correct
32 Correct 27 ms 1508 KB Output is correct
33 Correct 26 ms 1376 KB Output is correct
34 Correct 27 ms 1672 KB Output is correct
35 Partially correct 37 ms 856 KB Output is partially correct
36 Correct 26 ms 1504 KB Output is correct
37 Correct 29 ms 1012 KB Output is correct
38 Correct 27 ms 1284 KB Output is correct
39 Correct 26 ms 980 KB Output is correct
40 Correct 20 ms 1040 KB Output is correct
41 Correct 25 ms 1628 KB Output is correct
42 Partially correct 32 ms 1248 KB Output is partially correct
43 Correct 7 ms 1108 KB Output is correct
44 Correct 24 ms 1024 KB Output is correct
45 Correct 20 ms 1496 KB Output is correct
46 Correct 15 ms 1516 KB Output is correct
47 Correct 14 ms 1112 KB Output is correct
48 Correct 15 ms 1024 KB Output is correct