oj.uz

Submission #859440

# Submission time Handle Problem Language Result Execution time Memory
859440 2023-10-10T07:24:06 Z kim Rarest Insects (IOI22_insects) C++17
99.99 / 100
 32 ms 2212 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+2)/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 1 ms 596 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 2 ms 344 KB Output is correct
9 Correct 3 ms 856 KB Output is correct
10 Correct 2 ms 856 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 2 ms 600 KB Output is correct
13 Correct 2 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 3 ms 448 KB Output is correct
17 Correct 3 ms 868 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 692 KB Output is correct
21 Correct 1 ms 444 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 1 ms 596 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 2 ms 344 KB Output is correct
9 Correct 3 ms 856 KB Output is correct
10 Correct 2 ms 856 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 2 ms 600 KB Output is correct
13 Correct 2 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 3 ms 448 KB Output is correct
17 Correct 3 ms 868 KB Output is correct
18 Correct 3 ms 600 KB Output is correct
19 Correct 2 ms 344 KB Output is correct
20 Correct 2 ms 692 KB Output is correct
21 Correct 1 ms 444 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 10 ms 888 KB Output is correct
24 Correct 8 ms 600 KB Output is correct
25 Correct 10 ms 648 KB Output is correct
26 Correct 11 ms 856 KB Output is correct
27 Correct 11 ms 744 KB Output is correct
28 Correct 4 ms 600 KB Output is correct
29 Correct 14 ms 600 KB Output is correct
30 Correct 13 ms 1112 KB Output is correct
31 Correct 12 ms 1208 KB Output is correct
32 Correct 10 ms 1376 KB Output is correct
33 Correct 14 ms 952 KB Output is correct
34 Correct 12 ms 1112 KB Output is correct
35 Correct 11 ms 600 KB Output is correct
36 Correct 12 ms 600 KB Output is correct
37 Correct 12 ms 856 KB Output is correct
38 Correct 11 ms 856 KB Output is correct
39 Correct 14 ms 1124 KB Output is correct
40 Correct 7 ms 600 KB Output is correct
41 Correct 5 ms 856 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 1 ms 344 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 22 ms 1460 KB Output is correct
8 Correct 8 ms 600 KB Output is correct
9 Correct 24 ms 908 KB Output is correct
10 Correct 26 ms 1480 KB Output is correct
11 Correct 25 ms 1384 KB Output is correct
12 Correct 11 ms 1112 KB Output is correct
13 Correct 31 ms 1368 KB Output is correct
14 Correct 30 ms 600 KB Output is correct
15 Correct 20 ms 1984 KB Output is correct
16 Correct 21 ms 976 KB Output is correct
17 Correct 24 ms 876 KB Output is correct
18 Correct 27 ms 1236 KB Output is correct
19 Correct 23 ms 892 KB Output is correct
20 Correct 24 ms 972 KB Output is correct
21 Correct 29 ms 788 KB Output is correct
22 Correct 31 ms 964 KB Output is correct
23 Correct 23 ms 1248 KB Output is correct
24 Correct 20 ms 1616 KB Output is correct
25 Correct 15 ms 1384 KB Output is correct
26 Correct 8 ms 1112 KB Output is correct
27 Correct 28 ms 600 KB Output is correct
28 Correct 23 ms 960 KB Output is correct
29 Correct 32 ms 1748 KB Output is correct
30 Correct 30 ms 1112 KB Output is correct
31 Correct 27 ms 1396 KB Output is correct
32 Correct 25 ms 1248 KB Output is correct
33 Correct 24 ms 2212 KB Output is correct
34 Correct 26 ms 1368 KB Output is correct
35 Correct 29 ms 968 KB Output is correct
36 Correct 26 ms 1760 KB Output is correct
37 Correct 24 ms 1916 KB Output is correct
38 Correct 26 ms 1244 KB Output is correct
39 Correct 28 ms 1268 KB Output is correct
40 Correct 24 ms 1012 KB Output is correct
41 Correct 22 ms 996 KB Output is correct
42 Partially correct 30 ms 1156 KB Output is partially correct
43 Correct 6 ms 600 KB Output is correct
44 Correct 24 ms 1248 KB Output is correct
45 Correct 20 ms 904 KB Output is correct
46 Correct 15 ms 1408 KB Output is correct
47 Correct 13 ms 1716 KB Output is correct
48 Correct 12 ms 1368 KB Output is correct