제출 #519643

#제출 시각아이디문제언어결과실행 시간메모리
519643DanerZein비스킷 담기 (IOI20_biscuits)C++14
9 / 100
1087 ms308 KiB
#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAX_N=1e5;
int bits[62];
long long count_tastiness(long long x, std::vector<long long> a) {
  ll res=0;
  for(ll i=0;i<=MAX_N;i++){
    memset(bits,0,sizeof bits);
    for(int j=0;j<a.size();j++) bits[j]=a[j];
    bool sw=1;
    for(ll j=0;j<30;j++){
      if(i&(1<<j)){
	if(bits[j]<x){
	  sw=0;
	  break;
	}
	bits[j]-=x;
      }
      bits[j+1]+=(bits[j]/2);
    }
    res+=sw;
  }
  return res;
}

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 j=0;j<a.size();j++) bits[j]=a[j];
      |                 ~^~~~~~~~~
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