제출 #397620

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
397620		huukhang	은행 (IZhO14_bank)	C++11	컴파일 에러	0 ms	0 KiB

bank

/*
						   Khangnh's code

“You can either experience the pain of discipline or the pain of regret. 
						The choice is yours.”
*/

// - Only when necessary :d
// #pragma GCC optimize("Ofast")
// #pragma GCC optimize("unroll-loops")
// #pragma GCC target("avx,avx2,fma")

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;

#define fileopen(a, b) freopen(((string)a + ".inp").c_str(), "r", stdin); freopen(((string)b + ".out").c_str(), "w", stdout); 

#define ll long long
// #define int long long
#define fi first
#define se second
#define pb push_back
#define pf push_front
#define pob pop_back
#define pof pop_front
typedef pair<int, int> pii;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

const ll mod = 1e9 + 7;
const ll inf = 1e9 + 7;
const double eps = 1e-9;

int n, m;
int a[20], b[20];
pii dp[1 << 20];

void solve() {
	cin >> n >> m;
	for (int i = 0; i < n; ++i) cin >> a[i];
	for (int i = 0; i < m; ++i) cin >> b[i];

	for (int i = 1; i < n; ++i) a[i] += a[i - 1];

	for (int i = 0; i < (1 << m); ++i) {
		dp[i] = {0, 0};
		for (int j = 0; j < m; ++j) {
			if ((i >> j) & 1) {
				pii tmp = dp[i ^ (1 << j)];

				if (tmp.se + b[j] < a[tmp.fi]) tmp.se += b[j];
				else if (tmp.se + b[j] == a[tmp.fi].fi) ++tmp.fi, tmp.se = 0;

				dp[i] = min(dp[i], tmp);
			}
		}

		if (dp[i].first == n) {
			cout << "YES";
			return;
		}
	}

	cout << "NO";
}

signed main() {
	#ifdef khangorz
		fileopen("input", "output");
	#endif
	#ifndef khangorz
//		fileopen("LAH", "LAH");
	#endif
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	solve();
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp: In function 'void solve()':
bank.cpp:23:12: error: request for member 'first' in 'a[tmp.std::pair<int, int>::first]', which is of non-class type 'int'
   23 | #define fi first
      |            ^~~~~
bank.cpp:54:41: note: in expansion of macro 'fi'
   54 |     else if (tmp.se + b[j] == a[tmp.fi].fi) ++tmp.fi, tmp.se = 0;
      |                                         ^~