Submission #602068

# Submission time Handle Problem Language Result Execution time Memory
602068 2022-07-22T14:28:21 Z FatihSolak Counting Mushrooms (IOI20_mushrooms) C++17
92.623 / 100
10 ms 340 KB
#include "mushrooms.h"
#include <bits/stdc++.h>
#define N 20000
using namespace std;

int count_mushrooms(int n){
	vector<int> a,b;
	a.push_back(0);
	int point  = 1;
	int cur = 0;
	while(cur < 75 && n-point > max(a.size(),b.size()) ){
		if(max(a.size(),b.size()) == 1){
			if(use_machine({0,point})){
				b.push_back(point);
			}
			else a.push_back(point);
			point++;
		}
		else{
			if(a.size() > b.size()){
				vector<int> ask;
				ask.push_back(a[0]);
				ask.push_back(point++);
				ask.push_back(a[1]);
				ask.push_back(point++);
				int val = use_machine(ask);
				if(val < 2){
					a.push_back(ask[1]);
				}
				else{
					b.push_back(ask[1]);
				}
				if(val % 2 == 0){
					a.push_back(ask[3]);
				}
				else{
					b.push_back(ask[3]);
				}
			}
			else{
				vector<int> ask;
				ask.push_back(b[0]);
				ask.push_back(point++);
				ask.push_back(b[1]);
				ask.push_back(point++);
				int val = use_machine(ask);
				if(val < 2){
					b.push_back(ask[1]);
				}
				else{
					a.push_back(ask[1]);
				}
				if(val % 2 == 0){
					b.push_back(ask[3]);
				}
				else{
					a.push_back(ask[3]);
				}
			}
		}
		cur++;
	}
	int ret = a.size();
	while(point < n){
		int asz = a.size();
		int bsz = b.size();
		if(asz > bsz){
			vector<int> nums;
			int cnt = 0;
			for(int j = point;j<min(n,point + asz);j++){
				nums.push_back(a[cnt++]);
				nums.push_back(j);
			}
			int sz = nums.size()/2;
			int val = use_machine(nums);
			point += asz;
			if(val&1){
				b.push_back(point-1);
			}
			else a.push_back(point-1);
			ret += sz - (val + 1)/2;
		}
		else{
			vector<int> nums;
			int cnt = 0;
			for(int j = point;j<min(n,point + bsz);j++){
				nums.push_back(b[cnt++]);
				nums.push_back(j);
			}
			int sz = nums.size()/2;
			int val = use_machine(nums);
			point += bsz;
			if(val&1){
				a.push_back(point-1);
			}
			else b.push_back(point-1);
			ret += (val + 1)/2;
		}
	}
	return ret;
}

Compilation message

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:11:28: warning: comparison of integer expressions of different signedness: 'int' and 'const long unsigned int' [-Wsign-compare]
   11 |  while(cur < 75 && n-point > max(a.size(),b.size()) ){
      |                    ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
mushrooms.cpp:90:8: warning: unused variable 'sz' [-Wunused-variable]
   90 |    int sz = nums.size()/2;
      |        ^~
# Verdict Execution time Memory Grader output
1 Correct 0 ms 208 KB Output is correct
2 Correct 0 ms 208 KB Output is correct
3 Correct 1 ms 208 KB Output is correct
4 Correct 0 ms 208 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 2 ms 220 KB Output is correct
7 Correct 6 ms 208 KB Output is correct
8 Correct 6 ms 208 KB Output is correct
9 Correct 6 ms 208 KB Output is correct
10 Correct 8 ms 208 KB Output is correct
11 Partially correct 6 ms 328 KB Output is partially correct
12 Correct 8 ms 312 KB Output is correct
13 Correct 5 ms 208 KB Output is correct
14 Correct 4 ms 208 KB Output is correct
15 Partially correct 8 ms 324 KB Output is partially correct
16 Partially correct 6 ms 324 KB Output is partially correct
17 Correct 5 ms 208 KB Output is correct
18 Correct 5 ms 208 KB Output is correct
19 Partially correct 6 ms 324 KB Output is partially correct
20 Correct 6 ms 208 KB Output is correct
21 Correct 8 ms 208 KB Output is correct
22 Partially correct 8 ms 312 KB Output is partially correct
23 Correct 6 ms 208 KB Output is correct
24 Correct 3 ms 332 KB Output is correct
25 Partially correct 6 ms 336 KB Output is partially correct
26 Partially correct 7 ms 320 KB Output is partially correct
27 Partially correct 6 ms 324 KB Output is partially correct
28 Partially correct 6 ms 208 KB Output is partially correct
29 Partially correct 8 ms 320 KB Output is partially correct
30 Partially correct 6 ms 336 KB Output is partially correct
31 Partially correct 6 ms 336 KB Output is partially correct
32 Partially correct 8 ms 336 KB Output is partially correct
33 Partially correct 10 ms 316 KB Output is partially correct
34 Partially correct 6 ms 340 KB Output is partially correct
35 Partially correct 6 ms 320 KB Output is partially correct
36 Partially correct 9 ms 316 KB Output is partially correct
37 Partially correct 6 ms 312 KB Output is partially correct
38 Partially correct 5 ms 336 KB Output is partially correct
39 Partially correct 7 ms 208 KB Output is partially correct
40 Partially correct 6 ms 336 KB Output is partially correct
41 Partially correct 7 ms 304 KB Output is partially correct
42 Partially correct 7 ms 208 KB Output is partially correct
43 Partially correct 8 ms 324 KB Output is partially correct
44 Partially correct 7 ms 312 KB Output is partially correct
45 Partially correct 7 ms 332 KB Output is partially correct
46 Partially correct 8 ms 336 KB Output is partially correct
47 Partially correct 7 ms 336 KB Output is partially correct
48 Partially correct 8 ms 332 KB Output is partially correct
49 Partially correct 7 ms 336 KB Output is partially correct
50 Partially correct 8 ms 320 KB Output is partially correct
51 Partially correct 6 ms 336 KB Output is partially correct
52 Partially correct 6 ms 336 KB Output is partially correct
53 Partially correct 6 ms 208 KB Output is partially correct
54 Partially correct 7 ms 332 KB Output is partially correct
55 Partially correct 7 ms 332 KB Output is partially correct
56 Partially correct 6 ms 336 KB Output is partially correct
57 Partially correct 6 ms 208 KB Output is partially correct
58 Partially correct 6 ms 208 KB Output is partially correct
59 Partially correct 8 ms 316 KB Output is partially correct
60 Partially correct 6 ms 336 KB Output is partially correct
61 Partially correct 8 ms 324 KB Output is partially correct
62 Correct 1 ms 208 KB Output is correct
63 Correct 0 ms 208 KB Output is correct
64 Correct 0 ms 208 KB Output is correct
65 Correct 0 ms 208 KB Output is correct
66 Correct 0 ms 208 KB Output is correct
67 Correct 0 ms 208 KB Output is correct
68 Correct 0 ms 208 KB Output is correct
69 Correct 0 ms 208 KB Output is correct
70 Correct 1 ms 208 KB Output is correct
71 Correct 0 ms 208 KB Output is correct
72 Correct 0 ms 208 KB Output is correct
73 Correct 0 ms 208 KB Output is correct
74 Correct 0 ms 208 KB Output is correct
75 Correct 0 ms 208 KB Output is correct
76 Correct 0 ms 208 KB Output is correct
77 Correct 0 ms 208 KB Output is correct
78 Correct 0 ms 208 KB Output is correct
79 Correct 1 ms 208 KB Output is correct
80 Correct 0 ms 208 KB Output is correct
81 Correct 0 ms 208 KB Output is correct
82 Correct 0 ms 208 KB Output is correct
83 Correct 0 ms 208 KB Output is correct
84 Correct 0 ms 208 KB Output is correct
85 Correct 0 ms 208 KB Output is correct
86 Correct 0 ms 208 KB Output is correct
87 Correct 0 ms 208 KB Output is correct
88 Correct 0 ms 208 KB Output is correct
89 Correct 0 ms 208 KB Output is correct
90 Correct 0 ms 208 KB Output is correct
91 Correct 0 ms 208 KB Output is correct