oj.uz

Submission #834172

# Submission time Handle Problem Language Result Execution time Memory
834172 2023-08-22T11:31:17 Z faruk Packing Biscuits (IOI20_biscuits) C++17
21 / 100
 1000 ms 408 KB 
#include "biscuits.h"
#include <bits/stdc++.h>
#define all(a) a.begin(), a.end()

using namespace std;
typedef long long ll;

const ll maxsum = 1e5+1;
const ll maxsiz = 71;

long long count_tastiness(long long x, std::vector<long long> a) {
	if (x == 1) {
		ll out = 1;
		a.resize(maxsiz);
		for (int i = 0; i < a.size()-1; i++) {
			ll to_remove = 0;
			if (a[i] % 2)
				to_remove = a[i] - 1LL;
			else if (a[i] > 0)
				to_remove = a[i] - 2LL;
			
			a[i + 1] += to_remove / 2LL;
			a[i] -= to_remove;
		}

		ll has_l = 0, hasnt_l = 1;
		for (int i = 0; i < a.size(); i++) {
			if (a[i] == 0) {
				out *= has_l + hasnt_l;
				has_l = 0, hasnt_l = 1;
			} else {
				if (a[i] == 2)
					has_l += hasnt_l;
				hasnt_l *= 2LL;
			}
		}
		return out;
	}

	//x = 1;
	ll out = 0;
	a.resize(61);
	for (int val = 0; val < maxsum; val++) {
		vector<ll> curr = a;
		int num = 0;
		bool ok = true;
		for (ll a = 0; a < curr.size(); a++) {
			num += curr[a];
			if ((val & (1LL <<a)) != 0)
			{
				if (num < x)
					ok = false;
				else	
					num -= x;
			}
			num /= 2;
		}
		if (ok)
			out++;
	}

	return out;
}

// 0 1 2 3 4 5 6 7 8 9 10

Compilation message

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:15:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |   for (int i = 0; i < a.size()-1; i++) {
      |                   ~~^~~~~~~~~~~~
biscuits.cpp:27:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |   for (int i = 0; i < a.size(); i++) {
      |                   ~~^~~~~~~~~~
biscuits.cpp:47:20: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |   for (ll a = 0; a < curr.size(); a++) {
      |                  ~~^~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 135 ms 408 KB Output is correct
3 Correct 144 ms 276 KB Output is correct
4 Correct 115 ms 212 KB Output is correct
5 Correct 112 ms 276 KB Output is correct
6 Correct 102 ms 336 KB Output is correct
7 Correct 87 ms 272 KB Output is correct
8 Correct 102 ms 276 KB Output is correct
9 Correct 99 ms 276 KB Output is correct
10 Correct 138 ms 212 KB Output is correct
11 Correct 149 ms 212 KB Output is correct
12 Correct 145 ms 280 KB Output is correct
13 Correct 142 ms 284 KB Output is correct
14 Correct 141 ms 284 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 111 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1069 ms 340 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 135 ms 408 KB Output is correct
3 Correct 144 ms 276 KB Output is correct
4 Correct 115 ms 212 KB Output is correct
5 Correct 112 ms 276 KB Output is correct
6 Correct 102 ms 336 KB Output is correct
7 Correct 87 ms 272 KB Output is correct
8 Correct 102 ms 276 KB Output is correct
9 Correct 99 ms 276 KB Output is correct
10 Correct 138 ms 212 KB Output is correct
11 Correct 149 ms 212 KB Output is correct
12 Correct 145 ms 280 KB Output is correct
13 Correct 142 ms 284 KB Output is correct
14 Correct 141 ms 284 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Incorrect 111 ms 212 KB Output isn't correct
25 Halted 0 ms 0 KB -