oj.uz

Submission #303876

# Submission time Handle Problem Language Result Execution time Memory
303876 2020-09-20T17:49:46 Z ainta Counting Mushrooms (IOI20_mushrooms) C++17
92.623 / 100
 11 ms 512 KB 
#include "mushrooms.h"
#include<algorithm>
using namespace std;
int CK[200];
int count_mushrooms(int n) {
	int i, j;
	if(n<=200){
		int res=1;
		for(i=1;i<n;i++){
			vector<int>T={0,i};
			res+=1-use_machine(T);
		}
		return res;
	}
	vector<int>Z[2];
	Z[0].push_back(0);
	int ck, pv=0;
	for(i=1;;i++){
		vector<int>T={0,i};
		CK[i]=use_machine(T);
		Z[CK[i]].push_back(i);
		if(Z[CK[i]].size()==2){
			ck=CK[i];
			pv=i+1;
			break;
		}
	}
	for(i=pv;i<160;i+=2){
		vector<int>T = {Z[ck][0],i,Z[ck][1],i+1};
		int t = use_machine(T);
		if(t==0){
			Z[ck].push_back(i);
			Z[ck].push_back(i+1);
		}
		if(t==1){
			Z[ck].push_back(i);
			Z[!ck].push_back(i+1);
		}
		if(t==2){
			Z[!ck].push_back(i);
			Z[ck].push_back(i+1);
		}
		if(t==3){
			Z[!ck].push_back(i);
			Z[!ck].push_back(i+1);
		}
		pv=i+2;
	}
	int res=Z[0].size();
	while(pv < n){
		int cur, L;
		if(Z[0].size() < Z[1].size()){
			cur = 1;
		}
		else{
			cur = 0;
		}
		L = Z[cur].size();
		vector<int>T;
		int s=0;
		for(i=pv;i<pv+L && i<n;i++){
			s++;
			T.push_back(Z[cur][i-pv]);
			T.push_back(i);
		}
		int t = use_machine(T);
		if(cur==1) res += (t+1)/2;
		else res += s-(t+1)/2;
		if(pv+L>=n)break;
		if(t%2==1){
			Z[!cur].push_back(pv+L-1);
		}
		else{
			Z[cur].push_back(pv+L-1);
		}
		pv+=L;
	}
	return res;
}

Compilation message

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:6:9: warning: unused variable 'j' [-Wunused-variable]
    6 |  int i, j;
      |         ^

Subtask #1
92.623 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Correct 0 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 6 ms 256 KB Output is correct
8 Correct 6 ms 256 KB Output is correct
9 Correct 8 ms 256 KB Output is correct
10 Correct 8 ms 384 KB Output is correct
11 Partially correct 7 ms 256 KB Output is partially correct
12 Correct 7 ms 256 KB Output is correct
13 Correct 6 ms 256 KB Output is correct
14 Correct 4 ms 256 KB Output is correct
15 Partially correct 7 ms 256 KB Output is partially correct
16 Partially correct 7 ms 256 KB Output is partially correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 7 ms 256 KB Output is correct
19 Partially correct 9 ms 256 KB Output is partially correct
20 Correct 7 ms 256 KB Output is correct
21 Correct 8 ms 256 KB Output is correct
22 Partially correct 8 ms 256 KB Output is partially correct
23 Correct 10 ms 256 KB Output is correct
24 Correct 6 ms 256 KB Output is correct
25 Partially correct 7 ms 256 KB Output is partially correct
26 Partially correct 7 ms 256 KB Output is partially correct
27 Partially correct 7 ms 256 KB Output is partially correct
28 Partially correct 8 ms 512 KB Output is partially correct
29 Partially correct 8 ms 356 KB Output is partially correct
30 Partially correct 7 ms 256 KB Output is partially correct
31 Partially correct 7 ms 256 KB Output is partially correct
32 Partially correct 8 ms 256 KB Output is partially correct
33 Partially correct 7 ms 256 KB Output is partially correct
34 Partially correct 9 ms 256 KB Output is partially correct
35 Partially correct 7 ms 256 KB Output is partially correct
36 Partially correct 8 ms 256 KB Output is partially correct
37 Partially correct 7 ms 256 KB Output is partially correct
38 Partially correct 8 ms 256 KB Output is partially correct
39 Partially correct 8 ms 360 KB Output is partially correct
40 Partially correct 8 ms 256 KB Output is partially correct
41 Partially correct 7 ms 256 KB Output is partially correct
42 Partially correct 8 ms 256 KB Output is partially correct
43 Partially correct 11 ms 256 KB Output is partially correct
44 Partially correct 7 ms 256 KB Output is partially correct
45 Partially correct 7 ms 256 KB Output is partially correct
46 Partially correct 7 ms 256 KB Output is partially correct
47 Partially correct 7 ms 256 KB Output is partially correct
48 Partially correct 7 ms 256 KB Output is partially correct
49 Partially correct 7 ms 256 KB Output is partially correct
50 Partially correct 8 ms 256 KB Output is partially correct
51 Partially correct 7 ms 360 KB Output is partially correct
52 Partially correct 8 ms 384 KB Output is partially correct
53 Partially correct 7 ms 256 KB Output is partially correct
54 Partially correct 7 ms 256 KB Output is partially correct
55 Partially correct 8 ms 256 KB Output is partially correct
56 Partially correct 8 ms 392 KB Output is partially correct
57 Partially correct 7 ms 384 KB Output is partially correct
58 Partially correct 8 ms 360 KB Output is partially correct
59 Partially correct 7 ms 256 KB Output is partially correct
60 Partially correct 7 ms 256 KB Output is partially correct
61 Partially correct 7 ms 256 KB Output is partially correct
62 Correct 0 ms 256 KB Output is correct
63 Correct 0 ms 256 KB Output is correct
64 Correct 0 ms 256 KB Output is correct
65 Correct 1 ms 256 KB Output is correct
66 Correct 0 ms 256 KB Output is correct
67 Correct 1 ms 256 KB Output is correct
68 Correct 0 ms 256 KB Output is correct
69 Correct 0 ms 256 KB Output is correct
70 Correct 1 ms 256 KB Output is correct
71 Correct 0 ms 256 KB Output is correct
72 Correct 0 ms 256 KB Output is correct
73 Correct 0 ms 256 KB Output is correct
74 Correct 1 ms 256 KB Output is correct
75 Correct 0 ms 256 KB Output is correct
76 Correct 0 ms 256 KB Output is correct
77 Correct 0 ms 256 KB Output is correct
78 Correct 1 ms 256 KB Output is correct
79 Correct 1 ms 256 KB Output is correct
80 Correct 0 ms 256 KB Output is correct
81 Correct 0 ms 256 KB Output is correct
82 Correct 0 ms 256 KB Output is correct
83 Correct 0 ms 256 KB Output is correct
84 Correct 0 ms 256 KB Output is correct
85 Correct 0 ms 256 KB Output is correct
86 Correct 1 ms 256 KB Output is correct
87 Correct 0 ms 256 KB Output is correct
88 Correct 0 ms 256 KB Output is correct
89 Correct 0 ms 256 KB Output is correct
90 Correct 0 ms 256 KB Output is correct
91 Correct 0 ms 256 KB Output is correct