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Submission #303629

# Submission time Handle Problem Language Result Execution time Memory
303629 2020-09-20T13:36:59 Z cgiosy Packing Biscuits (IOI20_biscuits) C++17
0 / 100
 1 ms 384 KB 
#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
using ll=long long;

ll count_tastiness(ll x, vector<ll> A) {
	const int N=A.size();
	vector<ll> D(N);
	for(int i=1; i<N; i++) A[i]=A[i-1]+(A[i]<<i);
	D[0]=(A[0]>=x)+1;
	for(int i=1; i<N; i++) {
		ll v=min(A[i]/x, (ll(1)<<i+1)-1);
		D[i]+=(v&1)+1;
		for(int j=1; j<=i; j++) if(v&1<<j) D[i]+=D[j-1];
	}
	return D[N-1];
}

Compilation message

biscuits.cpp: In function 'll count_tastiness(ll, std::vector<long long int>)':
biscuits.cpp:12:29: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
   12 |   ll v=min(A[i]/x, (ll(1)<<i+1)-1);
      |                            ~^~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 384 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -