제출 #1165450

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1165450		enzy	Knapsack (NOI18_knapsack)	C++20	컴파일 에러	0 ms	0 KiB

knapsack

#include <bits/stdc++.h>
#define int long long
using namespace std;
const int maxs=2e3+10;
const int maxn=1e5+10;
int dp[maxs][2], v[maxn], w[maxn], k[maxn];
signed main()
{
    ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
    int s, n; cin >> s >> n;
    for(int i=1;i<=n;i++){
        cin >> v[i] >> w[i] >> k[i];
        for(int q=1;q<=k[i];q++){
            if(q*w[i]>s) break;
            for(int at=s;at>=q*w[i];at--) dp[at][(i%2)]=max({dp[at][(i%2)],dp[at][((i+1)%2)],dp[at-q*w[i]][((i+1)%2)]+q*v[i]});
        }
    }
    int resp=0;
    for(int i=0;i<=s;i++) resp=max(resp,dp[i][0],dp[i][1]);
    cout << resp << endl;
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

In file included from /usr/include/c++/11/bits/specfun.h:45,
                 from /usr/include/c++/11/cmath:1935,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:41,
                 from knapsack.cpp:1:
/usr/include/c++/11/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = long long int; _Compare = long long int]':
knapsack.cpp:19:35:   required from here
/usr/include/c++/11/bits/stl_algobase.h:303:17: error: '__comp' cannot be used as a function
  303 |       if (__comp(__a, __b))
      |           ~~~~~~^~~~~~~~~~