Submission #796963

#	Time	Username	Problem	Language	Result	Execution time	Memory
796963		vjudge1	Packing Biscuits (IOI20_biscuits)	C++17	9 / 100	1069 ms	340 KiB

biscuits

#include "biscuits.h"
#include<algorithm>
long long count_tastiness(long long x, std::vector<long long> a){
	int ans = 0, sum = 0;
    for(int i = 0; i < a.size(); i++) {
        sum+=a[i]<<i;
    }
    if(x>sum) return 1;
    for(int y = 0; y <= sum/x; y++) {
        std::vector<long long> a2 = a;
        for(int i = 0; i < x; i++) {
            long long rem=y;
            for(int j = a.size(); j--;) {
                int need = std::min(a2[j], rem>>j);
                rem-=need<<j;
                a2[j]-=need;
            }
            if(rem)
                break;
            if(i==x-1)
                ans++;
        }
    }
    return ans;
}

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:5:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 |     for(int i = 0; i < a.size(); i++) {
      |                    ~~^~~~~~~~~~

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