oj.uz

Submission #356846

# Submission time Handle Problem Language Result Execution time Memory
356846 2021-01-23T21:05:14 Z Kerim Packing Biscuits (IOI20_biscuits) C++17
100 / 100
 859 ms 1132 KB 
#include "biscuits.h"
#include "bits/stdc++.h"
#define ff first
#define ss second
using namespace std;
 
typedef long long ll;
ll X,tmp;vector<ll>a;
map<ll,ll>dp[61];
ll rec(int pos,ll cur){
	if(pos==61)return 1;
  	__typeof((dp[pos]).begin())it=dp[pos].lower_bound(cur),itt;
	if(it!=dp[pos].end()){
		if(it->ff==cur)return it->ss;itt=it;
		if(itt!=dp[pos].begin()){itt--;if(itt->ss==it->ss)return it->ss;}
	}	
	ll &ret=dp[pos][cur];
	ret=rec(pos+1,(cur+a[pos])/2);
	if(a[pos]+cur>=X)ret+=rec(pos+1,(a[pos]+cur-X)/2);
	it=dp[pos].upper_bound(cur);
	if(it!=dp[pos].end() and it->ss==ret){
		itt=it;itt++;
		if(itt!=dp[pos].end() and itt->ss==ret)
			dp[pos].erase(it);
	}it--;
	if(it!=dp[pos].begin()){it--;
		if(it->ss==ret){itt=it;
			if(itt!=dp[pos].begin()){itt--;
				if(itt->ss==ret)dp[pos].erase(it);
			}
		}
	}
	return ret;
}
long long count_tastiness(long long x, vector<long long> A) {X=x;a=A;
	for(int i=0;i<61;i++)dp[i].clear();
	while(int(a.size())<61)a.push_back(0);
	for(int i=0;i<60;i++)if(a[i]>x)tmp=(a[i]-x)/2,a[i+1]+=tmp,a[i]-=tmp<<1;	
	return rec(0,0);
}

Compilation message

biscuits.cpp: In function 'll rec(int, ll)':
biscuits.cpp:14:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   14 |   if(it->ff==cur)return it->ss;itt=it;
      |   ^~
biscuits.cpp:14:32: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   14 |   if(it->ff==cur)return it->ss;itt=it;
      |                                ^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 2 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 4 ms 364 KB Output is correct
12 Correct 7 ms 364 KB Output is correct
13 Correct 8 ms 384 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 364 KB Output is correct
2 Correct 150 ms 1004 KB Output is correct
3 Correct 138 ms 936 KB Output is correct
4 Correct 131 ms 1004 KB Output is correct
5 Correct 119 ms 876 KB Output is correct
6 Correct 205 ms 876 KB Output is correct
7 Correct 211 ms 936 KB Output is correct
8 Correct 190 ms 1060 KB Output is correct
9 Correct 175 ms 876 KB Output is correct
10 Correct 95 ms 876 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 2 ms 364 KB Output is correct
26 Correct 2 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 2 ms 384 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 4 ms 364 KB Output is correct
35 Correct 7 ms 364 KB Output is correct
36 Correct 8 ms 384 KB Output is correct
37 Correct 37 ms 364 KB Output is correct
38 Correct 150 ms 1004 KB Output is correct
39 Correct 138 ms 936 KB Output is correct
40 Correct 131 ms 1004 KB Output is correct
41 Correct 119 ms 876 KB Output is correct
42 Correct 205 ms 876 KB Output is correct
43 Correct 211 ms 936 KB Output is correct
44 Correct 190 ms 1060 KB Output is correct
45 Correct 175 ms 876 KB Output is correct
46 Correct 95 ms 876 KB Output is correct
47 Correct 92 ms 608 KB Output is correct
48 Correct 28 ms 876 KB Output is correct
49 Correct 16 ms 364 KB Output is correct
50 Correct 26 ms 748 KB Output is correct
51 Correct 14 ms 876 KB Output is correct
52 Correct 6 ms 364 KB Output is correct
53 Correct 17 ms 748 KB Output is correct
54 Correct 784 ms 876 KB Output is correct
55 Correct 859 ms 1132 KB Output is correct
56 Correct 777 ms 1004 KB Output is correct
57 Correct 600 ms 952 KB Output is correct