Submission #405805

#	Time	Username	Problem	Language	Result	Execution time	Memory
405805		ly20	Packing Biscuits (IOI20_biscuits)	C++17	9 / 100	1093 ms	332 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;

const int MAXN = 40, INF = 1e9;

long long mc[MAXN];

long long count_tastiness(long long x, vector<long long> a) {
	long long resp = 0;
	int tot = 0;
	for(int i = 0; i < a.size(); i++) {
        tot += a[i] * (1 << i);
	}
	for(int j  = 0; j <= tot; j++) {
        for(int i = 0; i < 32; i++) {
            if(i > a.size() - 1) mc[i] = 0;
            else mc[i] = a[i];
        }
        bool ok = true;
        for(int i = 0; i < 32; i++) {
            if((1 << i) & j) {
                if(mc[i] < x) {
                    ok = false;
                    break;
                }
                mc[i] -= x;
            }
            mc[i + 1] += mc[i] / 2;
        }
        if(ok) resp++;
	}
	return resp;
}

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:12:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |  for(int i = 0; i < a.size(); i++) {
      |                 ~~^~~~~~~~~~
biscuits.cpp:17:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |             if(i > a.size() - 1) mc[i] = 0;
      |                ~~^~~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23