oj.uz

Submission #859442

# Submission time Handle Problem Language Result Execution time Memory
859442 2023-10-10T07:25:29 Z kim Rarest Insects (IOI22_insects) C++17
99.83 / 100
 34 ms 2028 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-1)/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 0 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 2 ms 600 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 600 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 3 ms 600 KB Output is correct
13 Correct 2 ms 444 KB Output is correct
14 Correct 3 ms 856 KB Output is correct
15 Correct 2 ms 448 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 2 ms 600 KB Output is correct
19 Correct 2 ms 600 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 1 ms 600 KB Output is correct
22 Correct 1 ms 600 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 0 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 2 ms 600 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 3 ms 600 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 2 ms 596 KB Output is correct
12 Correct 3 ms 600 KB Output is correct
13 Correct 2 ms 444 KB Output is correct
14 Correct 3 ms 856 KB Output is correct
15 Correct 2 ms 448 KB Output is correct
16 Correct 3 ms 600 KB Output is correct
17 Correct 2 ms 344 KB Output is correct
18 Correct 2 ms 600 KB Output is correct
19 Correct 2 ms 600 KB Output is correct
20 Correct 2 ms 600 KB Output is correct
21 Correct 1 ms 600 KB Output is correct
22 Correct 1 ms 600 KB Output is correct
23 Correct 11 ms 1112 KB Output is correct
24 Correct 4 ms 856 KB Output is correct
25 Correct 12 ms 964 KB Output is correct
26 Correct 15 ms 1468 KB Output is correct
27 Correct 11 ms 1112 KB Output is correct
28 Correct 6 ms 1212 KB Output is correct
29 Correct 14 ms 1120 KB Output is correct
30 Correct 14 ms 860 KB Output is correct
31 Correct 10 ms 960 KB Output is correct
32 Correct 10 ms 856 KB Output is correct
33 Correct 12 ms 1144 KB Output is correct
34 Correct 12 ms 856 KB Output is correct
35 Correct 13 ms 712 KB Output is correct
36 Correct 13 ms 996 KB Output is correct
37 Correct 13 ms 960 KB Output is correct
38 Correct 13 ms 1108 KB Output is correct
39 Correct 13 ms 1376 KB Output is correct
40 Correct 11 ms 856 KB Output is correct
41 Correct 6 ms 600 KB Output is correct

Subtask #3
74.83 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 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 21 ms 780 KB Output is correct
8 Correct 11 ms 1164 KB Output is correct
9 Correct 24 ms 992 KB Output is correct
10 Correct 27 ms 1060 KB Output is correct
11 Correct 24 ms 1404 KB Output is correct
12 Correct 18 ms 976 KB Output is correct
13 Correct 32 ms 1156 KB Output is correct
14 Correct 24 ms 1464 KB Output is correct
15 Correct 17 ms 1104 KB Output is correct
16 Correct 21 ms 1120 KB Output is correct
17 Correct 22 ms 1368 KB Output is correct
18 Correct 30 ms 1504 KB Output is correct
19 Correct 24 ms 1696 KB Output is correct
20 Correct 22 ms 1120 KB Output is correct
21 Correct 29 ms 1460 KB Output is correct
22 Correct 34 ms 1520 KB Output is correct
23 Correct 30 ms 1376 KB Output is correct
24 Correct 19 ms 964 KB Output is correct
25 Correct 15 ms 900 KB Output is correct
26 Correct 15 ms 856 KB Output is correct
27 Correct 29 ms 1132 KB Output is correct
28 Correct 25 ms 1368 KB Output is correct
29 Correct 25 ms 856 KB Output is correct
30 Correct 28 ms 1260 KB Output is correct
31 Correct 24 ms 1900 KB Output is correct
32 Partially correct 29 ms 1268 KB Output is partially correct
33 Correct 30 ms 1708 KB Output is correct
34 Correct 26 ms 1216 KB Output is correct
35 Correct 30 ms 1216 KB Output is correct
36 Correct 23 ms 2028 KB Output is correct
37 Correct 28 ms 1696 KB Output is correct
38 Correct 33 ms 1368 KB Output is correct
39 Correct 29 ms 1496 KB Output is correct
40 Correct 18 ms 1268 KB Output is correct
41 Correct 23 ms 600 KB Output is correct
42 Correct 31 ms 724 KB Output is correct
43 Correct 5 ms 600 KB Output is correct
44 Correct 25 ms 1020 KB Output is correct
45 Correct 24 ms 732 KB Output is correct
46 Correct 14 ms 952 KB Output is correct
47 Correct 16 ms 1368 KB Output is correct
48 Correct 16 ms 1404 KB Output is correct