Submission #309973

#	Time	Username	Problem	Language	Result	Execution time	Memory
309973		tjdgus4384	Packing Biscuits (IOI20_biscuits)	C++14	9 / 100	1095 ms	384 KiB

biscuits

#include<bits/stdc++.h>
using namespace std;
long long dp[61];

long long count_tastiness(long long x, vector<long long> a){
    long long ans = 1, sum = 0;
    for(int i = 0;i < a.size();i++) sum += (1<<i)*a[i];
    for(int i = 1;i <= sum;i++){
        long long cnt = 0;
        for(int j = 0;(1<<j) <= sum;j++){
            if(j < a.size()) cnt += a[j];
            if((1<<j)&i){
                if(cnt < x) goto next;
                cnt -= x;
            }
            cnt /= 2;
        }
        ans++;
        next:;
    }
    return ans;
}

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:7:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     for(int i = 0;i < a.size();i++) sum += (1<<i)*a[i];
      |                   ~~^~~~~~~~~~
biscuits.cpp:11:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |             if(j < a.size()) cnt += a[j];
      |                ~~^~~~~~~~~~

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