Submission #672788

#	Time	Username	Problem	Language	Result	Execution time	Memory
672788		tbzard	Packing Biscuits (IOI20_biscuits)	C++14	44 / 100	198 ms	3564 KiB

biscuits

#include <bits/stdc++.h>
using namespace std;
long long ans[200002];
long long count_tastiness(long long x, vector<long long> a){
    long long b = 1, sum = 0;
    for(int j=0;j<=200000;j++) ans[j] = 1e18+1;
    int l = 0;
    ans[l++] = 0;
    for(int i=0;i<60;i++){
        if(i<a.size()) sum += b*a[i];
        int m = upper_bound(ans, ans+l, sum/x-b)-ans-1;
        for(int j=0;j<=m;j++) ans[l++] = ans[j]+b;
        b*=2;
    }
    return l;
}

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:10:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |         if(i<a.size()) sum += b*a[i];
      |            ~^~~~~~~~~

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