Submission #672785

#	Time	Username	Problem	Language	Result	Execution time	Memory
672785		tbzard	Packing Biscuits (IOI20_biscuits)	C++14	9 / 100	1119 ms	788292 KiB

biscuits

#include <bits/stdc++.h>
using namespace std;
long long count_tastiness(long long x, vector<long long> a){
    long double b = 1, sum = 0;
    vector<long double> ans;
    ans.push_back(0);
    int cnt = 0;
    for(int i=0;i<100;i++){
        if(i<a.size()) sum += b*a[i];
        vector<long double> add;
        int j = upper_bound(ans.begin(), ans.end(), sum/x-b) - ans.begin();
        j--;
        for(;j>=0;j--) add.push_back(ans[j]+b);
        reverse(add.begin(), add.end());
        for(int j=0;j<add.size();j++) ans.push_back(add[j]);
        b*=2;
    }
    return (long long)ans.size();
}

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:9:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |         if(i<a.size()) sum += b*a[i];
      |            ~^~~~~~~~~
biscuits.cpp:15:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long double>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   15 |         for(int j=0;j<add.size();j++) ans.push_back(add[j]);
      |                     ~^~~~~~~~~~~
biscuits.cpp:7:9: warning: unused variable 'cnt' [-Wunused-variable]
    7 |     int cnt = 0;
      |         ^~~

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