제출 #309971

#제출 시각아이디문제언어결과실행 시간메모리
309971tjdgus4384비스킷 담기 (IOI20_biscuits)C++14
0 / 100
1090 ms384 KiB
#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 = i;
        for(int j = a.size() - 1;j >= 0;j--){
            if(cnt >= (1<<j)*a[j]) cnt -= (1<<j)*a[j];
            else cnt = cnt%(1<<j);
        }
        if(cnt <= 0) ans++;
    }
    return ans;
}

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: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];
      |                   ~~^~~~~~~~~~
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