Submission #824721

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
824721	2023-08-14T09:08:59 Z	kwongweng	Counting Mushrooms (IOI20_mushrooms)	C++17	92.623 / 100	7 ms	336 KB

mushrooms

#include "mushrooms.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef long double ld;
typedef pair<ll, ll> pll;
#define FOR(i, a, b) for(int i = a; i < b; i++)
#define ROF(i, a, b) for(int i = a; i >= b; i--)
#define ms memset
#define pb push_back
#define fi first
#define se second
#define f use_machine

// max # use of f : 280
// goal : 226
/*
60 - 91.8699

*/
int lim=80;
int count_mushrooms(int n) {
	int ans=0;
	vi A, B;
	A.pb(0); int a=1; int b=0;
	int cur=1;
	while (cur < n){
		if (a>b){
			if (a>=2 && a<=lim && cur<n-1){
				int num = f({A[0],cur,A[1],cur+1});
				if (num%2==1) {B.pb(cur+1); b++;}
				else {A.pb(cur+1); a++;}
				if (num>=2) {B.pb(cur); b++;}
				else {A.pb(cur); a++;}
				cur=cur+2; continue;
			}
			vi val; int len=0;
			FOR(i,0,min(a,n-cur)){
				val.pb(A[i]); val.pb(cur+i); len+=2;
			}
			int num = f(val);
			ans += len/2-1-num/2;
			if (num%2==0) {a++; A.pb(val[len-1]);}
			else {b++; B.pb(val[len-1]);}
			cur=val[len-1]+1;
		}else{
			if (b>=2 && b<=lim && cur<n-1){
				int num = f({B[0],cur,B[1],cur+1});
				if (num%2==0) {B.pb(cur+1); b++;}
				else {A.pb(cur+1); a++;}
				if (num<2) {B.pb(cur); b++;}
				else {A.pb(cur); a++;}
				cur=cur+2; continue;
			}
			vi val; int len=0;
			FOR(i,0,min(b,n-cur)){
				val.pb(B[i]); val.pb(cur+i); len+=2;
			}
			int num = f(val);
			ans += num/2;
			if (num%2==0) {b++; B.pb(val[len-1]);}
			else {a++; A.pb(val[len-1]);}
			cur=val[len-1]+1;
		}
	}
	return ans+a;
}

Subtask #1

92.623 / 100.0

#	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	0 ms	208 KB	Output is correct
4	Correct	0 ms	208 KB	Output is correct
5	Correct	1 ms	208 KB	Output is correct
6	Correct	1 ms	208 KB	Output is correct
7	Correct	5 ms	316 KB	Output is correct
8	Correct	5 ms	208 KB	Output is correct
9	Correct	6 ms	208 KB	Output is correct
10	Correct	5 ms	328 KB	Output is correct
11	Partially correct	5 ms	208 KB	Output is partially correct
12	Correct	6 ms	328 KB	Output is correct
13	Correct	6 ms	208 KB	Output is correct
14	Correct	4 ms	320 KB	Output is correct
15	Partially correct	7 ms	208 KB	Output is partially correct
16	Partially correct	7 ms	208 KB	Output is partially correct
17	Correct	3 ms	308 KB	Output is correct
18	Correct	5 ms	336 KB	Output is correct
19	Partially correct	6 ms	324 KB	Output is partially correct
20	Correct	5 ms	208 KB	Output is correct
21	Correct	5 ms	332 KB	Output is correct
22	Partially correct	7 ms	320 KB	Output is partially correct
23	Correct	6 ms	208 KB	Output is correct
24	Correct	3 ms	316 KB	Output is correct
25	Partially correct	5 ms	336 KB	Output is partially correct
26	Partially correct	5 ms	208 KB	Output is partially correct
27	Correct	7 ms	308 KB	Output is correct
28	Partially correct	6 ms	320 KB	Output is partially correct
29	Partially correct	6 ms	208 KB	Output is partially correct
30	Partially correct	6 ms	320 KB	Output is partially correct
31	Partially correct	5 ms	320 KB	Output is partially correct
32	Partially correct	4 ms	332 KB	Output is partially correct
33	Partially correct	5 ms	324 KB	Output is partially correct
34	Partially correct	6 ms	208 KB	Output is partially correct
35	Partially correct	7 ms	328 KB	Output is partially correct
36	Partially correct	7 ms	208 KB	Output is partially correct
37	Partially correct	7 ms	324 KB	Output is partially correct
38	Partially correct	7 ms	336 KB	Output is partially correct
39	Partially correct	5 ms	208 KB	Output is partially correct
40	Partially correct	4 ms	316 KB	Output is partially correct
41	Partially correct	5 ms	208 KB	Output is partially correct
42	Partially correct	5 ms	208 KB	Output is partially correct
43	Partially correct	4 ms	332 KB	Output is partially correct
44	Partially correct	5 ms	320 KB	Output is partially correct
45	Partially correct	5 ms	208 KB	Output is partially correct
46	Partially correct	6 ms	336 KB	Output is partially correct
47	Partially correct	5 ms	308 KB	Output is partially correct
48	Partially correct	5 ms	208 KB	Output is partially correct
49	Partially correct	4 ms	316 KB	Output is partially correct
50	Partially correct	6 ms	328 KB	Output is partially correct
51	Partially correct	5 ms	208 KB	Output is partially correct
52	Partially correct	5 ms	336 KB	Output is partially correct
53	Partially correct	6 ms	332 KB	Output is partially correct
54	Partially correct	5 ms	316 KB	Output is partially correct
55	Partially correct	5 ms	332 KB	Output is partially correct
56	Partially correct	6 ms	208 KB	Output is partially correct
57	Partially correct	5 ms	332 KB	Output is partially correct
58	Partially correct	6 ms	208 KB	Output is partially correct
59	Partially correct	5 ms	324 KB	Output is partially correct
60	Partially correct	7 ms	208 KB	Output is partially correct
61	Partially correct	5 ms	208 KB	Output is partially correct
62	Correct	0 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	0 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	1 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	0 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	1 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