Submission #436255

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
436255	2021-06-24T11:07:59 Z	Belgutei	Counting Mushrooms (IOI20_mushrooms)	C++17	75.5853 / 100	15 ms	304 KB

mushrooms

#include "mushrooms.h"
#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define ff first
#define ss second
#define pb push_back
#define mk make_pair

int c;
vector<int> v,v1;
vector<int> tur;

int count_mushrooms(int n) {
	if(n<=200){
		c=1;
		for(int i=1; i<n; i++){
			tur.clear();
			tur.pb(0);
			tur.pb(i);
			c+=1-use_machine(tur);
		}
		return c;
	}
	//
	v.pb(0);
	tur.clear();
	tur.pb(0);
	tur.pb(1);
	c=use_machine(tur);
	if(c==0) v.pb(1);
	else v1.pb(1);
	//
	if(v.size()==1){
		tur.clear();
		tur.pb(0);
		tur.pb(2);
		c=use_machine(tur);
		if(c==0) v.pb(2);
		else v1.pb(2);
	}
	//
	if(v.size()==2){
		for(int i=v.size()+v1.size()+1; i<200; i+=2){
			tur.clear();
			tur.pb(v[0]);
			tur.pb(i-1);
			tur.pb(v[1]);
			tur.pb(i);
			c=use_machine(tur);
			if(c==0){
				v.pb(i);
				v.pb(i-1);
			}
			if(c==1){
				v.pb(i-1);
				v1.pb(i);
			}
			if(c==2){
				v.pb(i);
				v1.pb(i-1);
			}
			if(c==3){
				v1.pb(i-1);
				v1.pb(i);
			}
		}
	}
	else{
		for(int i=v.size()+v1.size()+1; i<200; i+=2){
			tur.clear();
			tur.pb(v1[0]);
			tur.pb(i-1);
			tur.pb(v1[1]);
			tur.pb(i);
			c=use_machine(tur);
			if(c==0){
				v1.pb(i);
				v1.pb(i-1);
			}
			if(c==1){
				v1.pb(i-1);
				v.pb(i);
			}
			if(c==2){
				v1.pb(i);
				v.pb(i-1);
			}
			if(c==3){
				v.pb(i-1);
				v.pb(i);
			}
		}
	}
	int ans=v.size();
	if(v.size()>v1.size()){
		int i=v.size()+v1.size();
		while(i<n){
			tur.clear();
			int pos=0;
			while(pos<v.size() && i<n){
				tur.pb(v[pos]);
				tur.pb(i);
				i++;
				pos++;
			}
			int val=use_machine(tur);
			ans+=pos-(val+1)/2;
		}
	}
	else{
		int i=v.size()+v1.size();
		while(i<n){
			tur.clear();
			int pos=0;
			while(pos<v1.size() && i<n){
				tur.pb(v1[pos]);
				tur.pb(i);
				i++;
				pos++;
			}
			int val=use_machine(tur);
			ans+=(val+1)/2;
		}
	}
	return ans;
	//int c2 = use_machine(m);
}

Compilation message

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:103:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  103 |    while(pos<v.size() && i<n){
      |          ~~~^~~~~~~~~
mushrooms.cpp:118:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  118 |    while(pos<v1.size() && i<n){
      |          ~~~^~~~~~~~~~

Subtask #1

75.5853 / 100.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	200 KB	Output is correct
2	Correct	1 ms	200 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	200 KB	Output is correct
5	Correct	2 ms	200 KB	Output is correct
6	Correct	3 ms	296 KB	Output is correct
7	Correct	10 ms	200 KB	Output is correct
8	Correct	9 ms	200 KB	Output is correct
9	Correct	8 ms	200 KB	Output is correct
10	Partially correct	10 ms	200 KB	Output is partially correct
11	Partially correct	8 ms	296 KB	Output is partially correct
12	Partially correct	9 ms	200 KB	Output is partially correct
13	Correct	8 ms	200 KB	Output is correct
14	Correct	6 ms	296 KB	Output is correct
15	Partially correct	9 ms	200 KB	Output is partially correct
16	Partially correct	13 ms	300 KB	Output is partially correct
17	Correct	5 ms	200 KB	Output is correct
18	Correct	11 ms	200 KB	Output is correct
19	Partially correct	9 ms	200 KB	Output is partially correct
20	Partially correct	8 ms	200 KB	Output is partially correct
21	Partially correct	8 ms	200 KB	Output is partially correct
22	Partially correct	9 ms	200 KB	Output is partially correct
23	Partially correct	8 ms	200 KB	Output is partially correct
24	Correct	7 ms	200 KB	Output is correct
25	Partially correct	10 ms	200 KB	Output is partially correct
26	Partially correct	9 ms	200 KB	Output is partially correct
27	Partially correct	8 ms	200 KB	Output is partially correct
28	Partially correct	10 ms	200 KB	Output is partially correct
29	Partially correct	9 ms	200 KB	Output is partially correct
30	Partially correct	9 ms	200 KB	Output is partially correct
31	Partially correct	9 ms	200 KB	Output is partially correct
32	Partially correct	11 ms	200 KB	Output is partially correct
33	Partially correct	10 ms	200 KB	Output is partially correct
34	Partially correct	11 ms	296 KB	Output is partially correct
35	Partially correct	9 ms	292 KB	Output is partially correct
36	Partially correct	9 ms	200 KB	Output is partially correct
37	Partially correct	10 ms	200 KB	Output is partially correct
38	Partially correct	11 ms	200 KB	Output is partially correct
39	Partially correct	8 ms	200 KB	Output is partially correct
40	Partially correct	12 ms	200 KB	Output is partially correct
41	Partially correct	11 ms	200 KB	Output is partially correct
42	Partially correct	13 ms	200 KB	Output is partially correct
43	Partially correct	11 ms	300 KB	Output is partially correct
44	Partially correct	12 ms	200 KB	Output is partially correct
45	Partially correct	9 ms	304 KB	Output is partially correct
46	Partially correct	9 ms	296 KB	Output is partially correct
47	Partially correct	9 ms	200 KB	Output is partially correct
48	Partially correct	6 ms	304 KB	Output is partially correct
49	Partially correct	11 ms	200 KB	Output is partially correct
50	Partially correct	10 ms	200 KB	Output is partially correct
51	Partially correct	8 ms	296 KB	Output is partially correct
52	Partially correct	10 ms	304 KB	Output is partially correct
53	Partially correct	14 ms	200 KB	Output is partially correct
54	Partially correct	7 ms	200 KB	Output is partially correct
55	Partially correct	8 ms	200 KB	Output is partially correct
56	Partially correct	12 ms	200 KB	Output is partially correct
57	Partially correct	12 ms	200 KB	Output is partially correct
58	Partially correct	11 ms	200 KB	Output is partially correct
59	Partially correct	15 ms	200 KB	Output is partially correct
60	Partially correct	9 ms	200 KB	Output is partially correct
61	Partially correct	9 ms	200 KB	Output is partially correct
62	Correct	1 ms	200 KB	Output is correct
63	Correct	1 ms	200 KB	Output is correct
64	Correct	1 ms	200 KB	Output is correct
65	Correct	1 ms	200 KB	Output is correct
66	Correct	1 ms	200 KB	Output is correct
67	Correct	1 ms	200 KB	Output is correct
68	Correct	1 ms	200 KB	Output is correct
69	Correct	1 ms	200 KB	Output is correct
70	Correct	1 ms	200 KB	Output is correct
71	Correct	1 ms	200 KB	Output is correct
72	Correct	1 ms	200 KB	Output is correct
73	Correct	1 ms	200 KB	Output is correct
74	Correct	1 ms	200 KB	Output is correct
75	Correct	1 ms	200 KB	Output is correct
76	Correct	1 ms	200 KB	Output is correct
77	Correct	1 ms	200 KB	Output is correct
78	Correct	1 ms	200 KB	Output is correct
79	Correct	1 ms	200 KB	Output is correct
80	Correct	1 ms	200 KB	Output is correct
81	Correct	1 ms	200 KB	Output is correct
82	Correct	1 ms	200 KB	Output is correct
83	Correct	1 ms	200 KB	Output is correct
84	Correct	1 ms	200 KB	Output is correct
85	Correct	1 ms	200 KB	Output is correct
86	Correct	1 ms	200 KB	Output is correct
87	Correct	1 ms	200 KB	Output is correct
88	Correct	1 ms	200 KB	Output is correct
89	Correct	1 ms	200 KB	Output is correct
90	Correct	1 ms	200 KB	Output is correct
91	Correct	1 ms	200 KB	Output is correct