oj.uz

Submission #859441

# Submission time Handle Problem Language Result Execution time Memory
859441 2023-10-10T07:24:52 Z kim Rarest Insects (IOI22_insects) C++17
99.99 / 100
 36 ms 1880 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+3)/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 856 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 3 ms 600 KB Output is correct
11 Correct 2 ms 600 KB Output is correct
12 Correct 2 ms 600 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 2 ms 600 KB Output is correct
16 Correct 2 ms 444 KB Output is correct
17 Correct 2 ms 600 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 3 ms 948 KB Output is correct
20 Correct 3 ms 608 KB Output is correct
21 Correct 2 ms 600 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 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 856 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 3 ms 344 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 3 ms 600 KB Output is correct
11 Correct 2 ms 600 KB Output is correct
12 Correct 2 ms 600 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 2 ms 600 KB Output is correct
15 Correct 2 ms 600 KB Output is correct
16 Correct 2 ms 444 KB Output is correct
17 Correct 2 ms 600 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 3 ms 948 KB Output is correct
20 Correct 3 ms 608 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 9 ms 1368 KB Output is correct
24 Correct 4 ms 600 KB Output is correct
25 Correct 10 ms 600 KB Output is correct
26 Correct 12 ms 600 KB Output is correct
27 Correct 14 ms 852 KB Output is correct
28 Correct 5 ms 872 KB Output is correct
29 Correct 15 ms 856 KB Output is correct
30 Correct 14 ms 740 KB Output is correct
31 Correct 10 ms 852 KB Output is correct
32 Correct 11 ms 1112 KB Output is correct
33 Correct 12 ms 1112 KB Output is correct
34 Correct 13 ms 880 KB Output is correct
35 Correct 11 ms 900 KB Output is correct
36 Correct 12 ms 1112 KB Output is correct
37 Correct 17 ms 856 KB Output is correct
38 Correct 11 ms 856 KB Output is correct
39 Correct 12 ms 884 KB Output is correct
40 Correct 7 ms 1212 KB Output is correct
41 Correct 4 ms 600 KB Output is correct

Subtask #3
74.99 / 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 1 ms 344 KB Output is correct
7 Correct 19 ms 928 KB Output is correct
8 Correct 14 ms 860 KB Output is correct
9 Correct 24 ms 1468 KB Output is correct
10 Correct 27 ms 1216 KB Output is correct
11 Correct 21 ms 600 KB Output is correct
12 Correct 12 ms 1160 KB Output is correct
13 Correct 30 ms 932 KB Output is correct
14 Correct 27 ms 1796 KB Output is correct
15 Correct 26 ms 1384 KB Output is correct
16 Correct 21 ms 1408 KB Output is correct
17 Correct 29 ms 972 KB Output is correct
18 Correct 23 ms 1116 KB Output is correct
19 Correct 25 ms 1500 KB Output is correct
20 Correct 25 ms 856 KB Output is correct
21 Correct 25 ms 1880 KB Output is correct
22 Correct 33 ms 1008 KB Output is correct
23 Correct 29 ms 1128 KB Output is correct
24 Correct 22 ms 1276 KB Output is correct
25 Correct 12 ms 1224 KB Output is correct
26 Correct 9 ms 1112 KB Output is correct
27 Correct 35 ms 1724 KB Output is correct
28 Correct 22 ms 1128 KB Output is correct
29 Correct 27 ms 720 KB Output is correct
30 Correct 28 ms 1668 KB Output is correct
31 Correct 29 ms 1436 KB Output is correct
32 Correct 30 ms 1632 KB Output is correct
33 Correct 29 ms 992 KB Output is correct
34 Correct 29 ms 872 KB Output is correct
35 Correct 28 ms 1516 KB Output is correct
36 Correct 24 ms 1736 KB Output is correct
37 Correct 36 ms 732 KB Output is correct
38 Correct 36 ms 1248 KB Output is correct
39 Correct 28 ms 1488 KB Output is correct
40 Correct 18 ms 1460 KB Output is correct
41 Correct 24 ms 1744 KB Output is correct
42 Partially correct 33 ms 600 KB Output is partially correct
43 Correct 6 ms 628 KB Output is correct
44 Correct 23 ms 1464 KB Output is correct
45 Correct 25 ms 856 KB Output is correct
46 Correct 16 ms 952 KB Output is correct
47 Correct 13 ms 1064 KB Output is correct
48 Correct 18 ms 1244 KB Output is correct