oj.uz

Submission #859439

# Submission time Handle Problem Language Result Execution time Memory
859439 2023-10-10T07:22:00 Z kim Rarest Insects (IOI22_insects) C++17
96.05 / 100
 43 ms 1876 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 zz=1;
 	while(zz<n/p) zz<<=1;
    int l=1,r=zz;
    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:56:23: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   56 |         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 1 ms 344 KB Output is correct
6 Correct 2 ms 1112 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 2 ms 600 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 2 ms 856 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 3 ms 856 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 3 ms 600 KB Output is correct
15 Correct 3 ms 600 KB Output is correct
16 Correct 4 ms 600 KB Output is correct
17 Correct 3 ms 448 KB Output is correct
18 Correct 3 ms 692 KB Output is correct
19 Correct 3 ms 612 KB Output is correct
20 Correct 3 ms 856 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 1 ms 856 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 1 ms 344 KB Output is correct
6 Correct 2 ms 1112 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 2 ms 600 KB Output is correct
9 Correct 2 ms 600 KB Output is correct
10 Correct 2 ms 856 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 3 ms 856 KB Output is correct
13 Correct 3 ms 600 KB Output is correct
14 Correct 3 ms 600 KB Output is correct
15 Correct 3 ms 600 KB Output is correct
16 Correct 4 ms 600 KB Output is correct
17 Correct 3 ms 448 KB Output is correct
18 Correct 3 ms 692 KB Output is correct
19 Correct 3 ms 612 KB Output is correct
20 Correct 3 ms 856 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 1 ms 856 KB Output is correct
23 Correct 9 ms 600 KB Output is correct
24 Correct 5 ms 856 KB Output is correct
25 Correct 11 ms 700 KB Output is correct
26 Correct 12 ms 600 KB Output is correct
27 Correct 12 ms 876 KB Output is correct
28 Correct 5 ms 856 KB Output is correct
29 Correct 15 ms 884 KB Output is correct
30 Correct 15 ms 1128 KB Output is correct
31 Correct 11 ms 900 KB Output is correct
32 Correct 12 ms 1112 KB Output is correct
33 Correct 13 ms 880 KB Output is correct
34 Correct 15 ms 964 KB Output is correct
35 Correct 15 ms 992 KB Output is correct
36 Correct 13 ms 1184 KB Output is correct
37 Correct 14 ms 1624 KB Output is correct
38 Correct 14 ms 1116 KB Output is correct
39 Correct 15 ms 1224 KB Output is correct
40 Correct 6 ms 596 KB Output is correct
41 Correct 5 ms 864 KB Output is correct

Subtask #3
71.05 / 75.0

# 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 0 ms 344 KB Output is correct
7 Correct 17 ms 1104 KB Output is correct
8 Correct 8 ms 1112 KB Output is correct
9 Correct 26 ms 688 KB Output is correct
10 Partially correct 36 ms 1404 KB Output is partially correct
11 Correct 27 ms 1140 KB Output is correct
12 Correct 19 ms 1148 KB Output is correct
13 Partially correct 28 ms 1500 KB Output is partially correct
14 Partially correct 35 ms 1436 KB Output is partially correct
15 Correct 25 ms 856 KB Output is correct
16 Correct 22 ms 1416 KB Output is correct
17 Correct 34 ms 960 KB Output is correct
18 Correct 33 ms 1876 KB Output is correct
19 Partially correct 33 ms 848 KB Output is partially correct
20 Correct 25 ms 1160 KB Output is correct
21 Partially correct 36 ms 1568 KB Output is partially correct
22 Partially correct 31 ms 1424 KB Output is partially correct
23 Partially correct 29 ms 1468 KB Output is partially correct
24 Correct 23 ms 1112 KB Output is correct
25 Correct 15 ms 1264 KB Output is correct
26 Correct 8 ms 1364 KB Output is correct
27 Correct 34 ms 1232 KB Output is correct
28 Correct 21 ms 1644 KB Output is correct
29 Partially correct 33 ms 1692 KB Output is partially correct
30 Partially correct 31 ms 948 KB Output is partially correct
31 Partially correct 42 ms 1700 KB Output is partially correct
32 Partially correct 37 ms 1368 KB Output is partially correct
33 Partially correct 43 ms 1112 KB Output is partially correct
34 Partially correct 39 ms 824 KB Output is partially correct
35 Partially correct 37 ms 1764 KB Output is partially correct
36 Partially correct 34 ms 1740 KB Output is partially correct
37 Partially correct 36 ms 1516 KB Output is partially correct
38 Partially correct 40 ms 1044 KB Output is partially correct
39 Correct 27 ms 964 KB Output is correct
40 Correct 19 ms 1360 KB Output is correct
41 Correct 19 ms 1148 KB Output is correct
42 Correct 22 ms 1800 KB Output is correct
43 Correct 6 ms 1112 KB Output is correct
44 Correct 28 ms 872 KB Output is correct
45 Correct 19 ms 956 KB Output is correct
46 Correct 14 ms 600 KB Output is correct
47 Correct 13 ms 1252 KB Output is correct
48 Correct 13 ms 956 KB Output is correct