제출 #672780

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
672780		tbzard	비스킷 담기 (IOI20_biscuits)	C++14	9 / 100	1101 ms	216468 KiB

biscuits

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

set<long double> ans;
long long count_tastiness(long long x, vector<long long> a){
    int n = a.size();
    ans.clear();

    long double b = 1, sum = 0;
    ans.insert(0);
    for(int i=0;i<a.size();i++){
        sum += b*a[i];
        vector<long double> add;
        while(1){
            for(auto y:ans){
                if(sum/x >= y+b){
                    ans.insert(y+b);
                }
            }
            for(int j=0;j<add.size();j++){
                ans.insert(add[j]);
            }
            if(add.empty()) break;
        }
        b *= 2;
    }
    return (long long)ans.size();
}

컴파일 시 표준 에러 (stderr) 메시지

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
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 |     for(int i=0;i<a.size();i++){
      |                 ~^~~~~~~~~
biscuits.cpp:20:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long double>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |             for(int j=0;j<add.size();j++){
      |                         ~^~~~~~~~~~~
biscuits.cpp:6:9: warning: unused variable 'n' [-Wunused-variable]
    6 |     int n = a.size();
      |         ^

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