Submission #309618

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
309618	2020-10-04T00:31:52 Z	crackersamdjam	Packing Biscuits (IOI20_biscuits)	C++17	100 / 100	102 ms	932 KB

biscuits

#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define gc getchar()
#define pc(x) putchar(x)
template<typename T> void scan(T &x){x = 0;bool _=0;T c=gc;_=c==45;c=_?gc:c;while(c<48||c>57)c=gc;for(;c<48||c>57;c=gc);for(;c>47&&c<58;c=gc)x=(x<<3)+(x<<1)+(c&15);x=_?-x:x;}
template<typename T> void printn(T n){bool _=0;_=n<0;n=_?-n:n;char snum[65];int i=0;do{snum[i++]=char(n%10+48);n/= 10;}while(n);--i;if (_)pc(45);while(i>=0)pc(snum[i--]);}
template<typename First, typename ... Ints> void scan(First &arg, Ints&... rest){scan(arg);scan(rest...);}
template<typename T> void print(T n){printn(n);pc(10);}
template<typename First, typename ... Ints> void print(First arg, Ints... rest){printn(arg);pc(32);print(rest...);}

#ifndef ONLINE_JUDGE
template<typename T>
void pr(T a){std::cerr<<a<<std::endl;}
template<typename T,typename... Args>
void pr(T a, Args... args) {std::cerr<<a<<' ',pr(args...);}
#else
template<typename... Args>
void pr(Args... args){}
#endif

using namespace std;
using ll = long long;

#include <ext/pb_ds/assoc_container.hpp>
__gnu_pbds::gp_hash_table<ll, ll> dp;

ll x;
vector<ll> a, sum;

ll go(ll v){
	if(v < 0)
		return 0;
	if(v == 0)
		return 1;
	if(dp.find(v) != dp.end())
		return dp[v];
	int i = __lg(v);
	dp[v] = go((1LL<<i)-1) + go(min(v, sum[i]/x)-(1LL<<i));
	// pr(v, dp[v]);
	return dp[v];
}

ll count_tastiness(ll _x, vector<ll> _a){
	a = _a, x = _x;
	while(size(a) < 60)
		a.emplace_back(0);
	int n = size(a);
	dp.clear();
	sum.clear();
	sum.resize(n);
	for(int i = 0; i < n; i++){
		sum[i] = (1LL<<i)*a[i];
		if(i) sum[i] += sum[i-1];
	}
	return go((1LL<<60)-1);
}

#ifdef LOCAL
int main(){
	print(count_tastiness(3, {5, 2, 1}));
	return 0;
	int q, n, xx;
	scan(q);
	while(q--){
		scan(n, xx);
		vector<ll> aa(n);
		for(auto &i: aa)
			scan(i);
		print(count_tastiness(xx, aa));
	}
}
#endif

Subtask #1
9.0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	256 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct

Subtask #3
21.0 / 21.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	384 KB	Output is correct
2	Correct	1 ms	384 KB	Output is correct
3	Correct	1 ms	384 KB	Output is correct
4	Correct	1 ms	256 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	384 KB	Output is correct
7	Correct	1 ms	384 KB	Output is correct
8	Correct	1 ms	384 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	384 KB	Output is correct
11	Correct	1 ms	384 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	2 ms	384 KB	Output is correct

Subtask #4
35.0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	17 ms	384 KB	Output is correct
2	Correct	32 ms	896 KB	Output is correct
3	Correct	32 ms	896 KB	Output is correct
4	Correct	31 ms	896 KB	Output is correct
5	Correct	31 ms	912 KB	Output is correct
6	Correct	40 ms	896 KB	Output is correct
7	Correct	46 ms	896 KB	Output is correct
8	Correct	36 ms	896 KB	Output is correct
9	Correct	35 ms	896 KB	Output is correct
10	Correct	30 ms	896 KB	Output is correct

Subtask #5
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	256 KB	Output is correct
2	Correct	1 ms	256 KB	Output is correct
3	Correct	1 ms	256 KB	Output is correct
4	Correct	1 ms	384 KB	Output is correct
5	Correct	1 ms	384 KB	Output is correct
6	Correct	1 ms	256 KB	Output is correct
7	Correct	1 ms	256 KB	Output is correct
8	Correct	1 ms	256 KB	Output is correct
9	Correct	1 ms	384 KB	Output is correct
10	Correct	1 ms	256 KB	Output is correct
11	Correct	1 ms	256 KB	Output is correct
12	Correct	1 ms	384 KB	Output is correct
13	Correct	1 ms	384 KB	Output is correct
14	Correct	1 ms	256 KB	Output is correct
15	Correct	1 ms	384 KB	Output is correct
16	Correct	1 ms	384 KB	Output is correct
17	Correct	1 ms	384 KB	Output is correct
18	Correct	1 ms	384 KB	Output is correct
19	Correct	1 ms	384 KB	Output is correct
20	Correct	1 ms	384 KB	Output is correct
21	Correct	1 ms	384 KB	Output is correct
22	Correct	1 ms	256 KB	Output is correct
23	Correct	1 ms	384 KB	Output is correct
24	Correct	1 ms	384 KB	Output is correct
25	Correct	1 ms	384 KB	Output is correct
26	Correct	1 ms	384 KB	Output is correct
27	Correct	1 ms	256 KB	Output is correct
28	Correct	1 ms	384 KB	Output is correct
29	Correct	1 ms	384 KB	Output is correct
30	Correct	1 ms	384 KB	Output is correct
31	Correct	1 ms	384 KB	Output is correct
32	Correct	1 ms	384 KB	Output is correct
33	Correct	1 ms	384 KB	Output is correct
34	Correct	1 ms	384 KB	Output is correct
35	Correct	1 ms	384 KB	Output is correct
36	Correct	2 ms	384 KB	Output is correct
37	Correct	17 ms	384 KB	Output is correct
38	Correct	32 ms	896 KB	Output is correct
39	Correct	32 ms	896 KB	Output is correct
40	Correct	31 ms	896 KB	Output is correct
41	Correct	31 ms	912 KB	Output is correct
42	Correct	40 ms	896 KB	Output is correct
43	Correct	46 ms	896 KB	Output is correct
44	Correct	36 ms	896 KB	Output is correct
45	Correct	35 ms	896 KB	Output is correct
46	Correct	30 ms	896 KB	Output is correct
47	Correct	20 ms	384 KB	Output is correct
48	Correct	43 ms	896 KB	Output is correct
49	Correct	27 ms	504 KB	Output is correct
50	Correct	40 ms	768 KB	Output is correct
51	Correct	24 ms	896 KB	Output is correct
52	Correct	13 ms	384 KB	Output is correct
53	Correct	22 ms	768 KB	Output is correct
54	Correct	102 ms	932 KB	Output is correct
55	Correct	87 ms	896 KB	Output is correct
56	Correct	78 ms	896 KB	Output is correct
57	Correct	62 ms	896 KB	Output is correct

Submission #309618

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 12.0 / 12.0

Subtask #3 21.0 / 21.0

Subtask #4 35.0 / 35.0

Subtask #5 23.0 / 23.0

Subtask #1
9.0 / 9.0

Subtask #2
12.0 / 12.0

Subtask #3
21.0 / 21.0

Subtask #4
35.0 / 35.0

Subtask #5
23.0 / 23.0