oj.uz

Submission #859443

# Submission time Handle Problem Language Result Execution time Memory
859443 2023-10-10T07:26:00 Z kim Rarest Insects (IOI22_insects) C++17
99.83 / 100
 36 ms 1896 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+2;
    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 1 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 3 ms 700 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 2 ms 600 KB Output is correct
11 Correct 2 ms 600 KB Output is correct
12 Correct 3 ms 856 KB Output is correct
13 Correct 4 ms 952 KB Output is correct
14 Correct 3 ms 600 KB Output is correct
15 Correct 3 ms 600 KB Output is correct
16 Correct 3 ms 608 KB Output is correct
17 Correct 3 ms 600 KB Output is correct
18 Correct 3 ms 1112 KB Output is correct
19 Correct 3 ms 600 KB Output is correct
20 Correct 3 ms 452 KB Output is correct
21 Correct 3 ms 856 KB Output is correct
22 Correct 2 ms 692 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 3 ms 700 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 2 ms 600 KB Output is correct
11 Correct 2 ms 600 KB Output is correct
12 Correct 3 ms 856 KB Output is correct
13 Correct 4 ms 952 KB Output is correct
14 Correct 3 ms 600 KB Output is correct
15 Correct 3 ms 600 KB Output is correct
16 Correct 3 ms 608 KB Output is correct
17 Correct 3 ms 600 KB Output is correct
18 Correct 3 ms 1112 KB Output is correct
19 Correct 3 ms 600 KB Output is correct
20 Correct 3 ms 452 KB Output is correct
21 Correct 3 ms 856 KB Output is correct
22 Correct 2 ms 692 KB Output is correct
23 Correct 10 ms 1376 KB Output is correct
24 Correct 5 ms 864 KB Output is correct
25 Correct 13 ms 1212 KB Output is correct
26 Correct 16 ms 960 KB Output is correct
27 Correct 15 ms 944 KB Output is correct
28 Correct 7 ms 716 KB Output is correct
29 Correct 13 ms 1252 KB Output is correct
30 Correct 14 ms 1648 KB Output is correct
31 Correct 11 ms 712 KB Output is correct
32 Correct 13 ms 1628 KB Output is correct
33 Correct 13 ms 1232 KB Output is correct
34 Correct 16 ms 752 KB Output is correct
35 Correct 15 ms 872 KB Output is correct
36 Correct 11 ms 1256 KB Output is correct
37 Correct 12 ms 904 KB Output is correct
38 Correct 13 ms 1236 KB Output is correct
39 Correct 12 ms 732 KB Output is correct
40 Correct 10 ms 1208 KB Output is correct
41 Correct 8 ms 732 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 364 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 1112 KB Output is correct
8 Correct 7 ms 600 KB Output is correct
9 Correct 24 ms 860 KB Output is correct
10 Correct 32 ms 1232 KB Output is correct
11 Correct 27 ms 1220 KB Output is correct
12 Correct 13 ms 856 KB Output is correct
13 Correct 27 ms 600 KB Output is correct
14 Correct 28 ms 984 KB Output is correct
15 Correct 20 ms 1896 KB Output is correct
16 Correct 24 ms 976 KB Output is correct
17 Correct 21 ms 1020 KB Output is correct
18 Correct 29 ms 848 KB Output is correct
19 Correct 25 ms 1288 KB Output is correct
20 Correct 27 ms 1112 KB Output is correct
21 Correct 27 ms 1040 KB Output is correct
22 Partially correct 35 ms 1052 KB Output is partially correct
23 Correct 29 ms 1492 KB Output is correct
24 Correct 27 ms 1204 KB Output is correct
25 Correct 20 ms 1452 KB Output is correct
26 Correct 16 ms 1368 KB Output is correct
27 Correct 24 ms 1008 KB Output is correct
28 Correct 20 ms 984 KB Output is correct
29 Correct 33 ms 940 KB Output is correct
30 Correct 36 ms 1216 KB Output is correct
31 Correct 25 ms 924 KB Output is correct
32 Partially correct 30 ms 1184 KB Output is partially correct
33 Correct 26 ms 1220 KB Output is correct
34 Correct 27 ms 1488 KB Output is correct
35 Correct 31 ms 1368 KB Output is correct
36 Correct 27 ms 1216 KB Output is correct
37 Correct 32 ms 760 KB Output is correct
38 Correct 32 ms 1456 KB Output is correct
39 Correct 26 ms 1144 KB Output is correct
40 Correct 21 ms 1480 KB Output is correct
41 Correct 25 ms 956 KB Output is correct
42 Correct 29 ms 884 KB Output is correct
43 Correct 8 ms 600 KB Output is correct
44 Correct 23 ms 1372 KB Output is correct
45 Correct 26 ms 1264 KB Output is correct
46 Correct 13 ms 1128 KB Output is correct
47 Correct 16 ms 724 KB Output is correct
48 Correct 17 ms 1112 KB Output is correct