Submission #303669

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
303669	2020-09-20T14:15:20 Z	b00n0rp	Counting Mushrooms (IOI20_mushrooms)	C++17	92.623 / 100	13 ms	456 KB

mushrooms

#include "mushrooms.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define REP(i,n) for(int i = 0; i < n; i ++)
#define FOR(i,a,b) for(int i = a; i < b; i ++)
#define vi vector<int>
#define pb push_back

int count_mushrooms(int n){
	int cnt = 1;
	vi a,b;
	a.pb(0);
	int LIM = 150; 
	int i;
	for (i = 1; i < LIM; i += 2){
		vi v;
		if(i == n) return cnt;
		if(i == n-1){
			v.pb(0);
			v.pb(i);
			if(use_machine(v) == 0) cnt++;
			return cnt;
		}
		else if(a.size() < 2 and b.size() < 2){
			v.pb(0);
			v.pb(i);
			v.pb(i+1);
			int val = use_machine(v);
			if(val == 0){
				a.pb(i);
				a.pb(i+1);
				cnt += 2;
			}
			else if(val == 2){
				cnt += 1;
				a.pb(i+1);
				b.pb(i);
			}
			else{
				v.clear();
				v.pb(0);
				v.pb(i);
				val = use_machine(v);
				if(val == 1){
					b.pb(i);
					b.pb(i+1);
				}
				else{
					a.pb(i);
					b.pb(i+1);
					cnt ++;
				}
			}
		}
		else{
			if(a.size() >= 2){
				v.pb(0);
				v.pb(i);
				v.pb(a[1]);
				v.pb(i+1);
				int val = use_machine(v);
				if(val == 1 or val == 3){
					b.pb(i+1);
				}
				else{
					a.pb(i+1);
					cnt++;
				}

				if(val == 2 or val == 3){
					b.pb(i);
				}
				else{
					a.pb(i);
					cnt++;
				}
			}
			else{
				v.pb(b[0]);
				v.pb(i);
				v.pb(b[1]);
				v.pb(i+1);
				int val = use_machine(v);
				if(val == 1 or val == 3){
					a.pb(i+1);
					cnt++;
				}
				else{
					b.pb(i+1);
				}

				if(val == 2 or val == 3){
					a.pb(i);
					cnt++;
				}
				else{
					b.pb(i);
				}
			}
		}
	}
	while(i < n){
		vi v;
		if(a.size() > b.size()){
			int j = i;
			int cur = 0;
			while(j < n and cur < (int)a.size()){
				v.pb(a[cur]);
				v.pb(j);
				cur++;
				j++;
			}
			int bruh = use_machine(v);
			int val = ((bruh+1)/2);
			cnt += cur-val;
			if(val == 0){
				FOR(ii,i,j) a.pb(ii);
			}
			else if(val == cur){
				FOR(ii,i,j) b.pb(ii);
			}
			else if(bruh%2){
				b.pb(j-1);
			}
			else{
				a.pb(j-1);
			}
			i = j;
		}
		else{
			int j = i;
			int cur = 0;
			while(j < n and cur < (int)b.size()){
				v.pb(b[cur]);
				v.pb(j);
				cur++;
				j++;
			}
			int bruh = use_machine(v);
			int val = ((bruh+1)/2); 
			cnt += val;
			if(val == 0){
				FOR(ii,i,j) b.pb(ii);
			}
			else if(val == cur){
				FOR(ii,i,j) a.pb(ii);
			}
			else if(bruh%2){
				a.pb(j-1);
			}
			else{
				b.pb(j-1);
			}
			i = j;
		}
	}
	return cnt;
}

Subtask #1

92.623 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	2 ms	360 KB	Output is correct
6	Correct	3 ms	384 KB	Output is correct
7	Correct	9 ms	456 KB	Output is correct
8	Correct	8 ms	392 KB	Output is correct
9	Correct	9 ms	380 KB	Output is correct
10	Correct	9 ms	256 KB	Output is correct
11	Partially correct	11 ms	380 KB	Output is partially correct
12	Correct	8 ms	256 KB	Output is correct
13	Correct	9 ms	384 KB	Output is correct
14	Correct	4 ms	376 KB	Output is correct
15	Partially correct	10 ms	372 KB	Output is partially correct
16	Partially correct	11 ms	376 KB	Output is partially correct
17	Correct	5 ms	256 KB	Output is correct
18	Correct	10 ms	376 KB	Output is correct
19	Partially correct	10 ms	376 KB	Output is partially correct
20	Correct	12 ms	256 KB	Output is correct
21	Correct	7 ms	380 KB	Output is correct
22	Partially correct	9 ms	376 KB	Output is partially correct
23	Correct	8 ms	412 KB	Output is correct
24	Correct	6 ms	380 KB	Output is correct
25	Partially correct	10 ms	376 KB	Output is partially correct
26	Partially correct	9 ms	372 KB	Output is partially correct
27	Partially correct	10 ms	376 KB	Output is partially correct
28	Partially correct	8 ms	376 KB	Output is partially correct
29	Partially correct	13 ms	368 KB	Output is partially correct
30	Partially correct	9 ms	376 KB	Output is partially correct
31	Partially correct	9 ms	360 KB	Output is partially correct
32	Partially correct	10 ms	372 KB	Output is partially correct
33	Partially correct	11 ms	384 KB	Output is partially correct
34	Partially correct	8 ms	256 KB	Output is partially correct
35	Partially correct	8 ms	376 KB	Output is partially correct
36	Partially correct	7 ms	376 KB	Output is partially correct
37	Partially correct	11 ms	372 KB	Output is partially correct
38	Partially correct	8 ms	380 KB	Output is partially correct
39	Partially correct	11 ms	376 KB	Output is partially correct
40	Partially correct	7 ms	380 KB	Output is partially correct
41	Partially correct	9 ms	380 KB	Output is partially correct
42	Partially correct	9 ms	376 KB	Output is partially correct
43	Partially correct	9 ms	256 KB	Output is partially correct
44	Partially correct	8 ms	408 KB	Output is partially correct
45	Partially correct	11 ms	380 KB	Output is partially correct
46	Partially correct	10 ms	372 KB	Output is partially correct
47	Partially correct	9 ms	368 KB	Output is partially correct
48	Partially correct	9 ms	384 KB	Output is partially correct
49	Partially correct	8 ms	392 KB	Output is partially correct
50	Partially correct	8 ms	380 KB	Output is partially correct
51	Partially correct	9 ms	256 KB	Output is partially correct
52	Partially correct	11 ms	256 KB	Output is partially correct
53	Partially correct	7 ms	372 KB	Output is partially correct
54	Partially correct	9 ms	384 KB	Output is partially correct
55	Partially correct	9 ms	412 KB	Output is partially correct
56	Partially correct	9 ms	372 KB	Output is partially correct
57	Partially correct	10 ms	380 KB	Output is partially correct
58	Partially correct	7 ms	376 KB	Output is partially correct
59	Partially correct	10 ms	380 KB	Output is partially correct
60	Partially correct	10 ms	376 KB	Output is partially correct
61	Partially correct	7 ms	384 KB	Output is partially correct
62	Correct	0 ms	256 KB	Output is correct
63	Correct	1 ms	384 KB	Output is correct
64	Correct	1 ms	256 KB	Output is correct
65	Correct	0 ms	256 KB	Output is correct
66	Correct	1 ms	432 KB	Output is correct
67	Correct	1 ms	384 KB	Output is correct
68	Correct	1 ms	384 KB	Output is correct
69	Correct	1 ms	384 KB	Output is correct
70	Correct	1 ms	256 KB	Output is correct
71	Correct	0 ms	256 KB	Output is correct
72	Correct	1 ms	256 KB	Output is correct
73	Correct	1 ms	256 KB	Output is correct
74	Correct	1 ms	256 KB	Output is correct
75	Correct	1 ms	256 KB	Output is correct
76	Correct	1 ms	256 KB	Output is correct
77	Correct	1 ms	384 KB	Output is correct
78	Correct	1 ms	384 KB	Output is correct
79	Correct	1 ms	384 KB	Output is correct
80	Correct	1 ms	256 KB	Output is correct
81	Correct	1 ms	256 KB	Output is correct
82	Correct	1 ms	256 KB	Output is correct
83	Correct	1 ms	256 KB	Output is correct
84	Correct	1 ms	256 KB	Output is correct
85	Correct	1 ms	256 KB	Output is correct
86	Correct	1 ms	256 KB	Output is correct
87	Correct	1 ms	256 KB	Output is correct
88	Correct	0 ms	256 KB	Output is correct
89	Correct	1 ms	256 KB	Output is correct
90	Correct	1 ms	256 KB	Output is correct
91	Correct	1 ms	256 KB	Output is correct