제출 #1141319

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1141319		Bilal_Coder	Bank (IZhO14_bank)	C++20	100 / 100	93 ms	16832 KiB

bank

#include <bits/stdc++.h>

using namespace std;

#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx,avx2,fma")

template<typename... T>
void see(T&... args) { ((cin >> args), ...);}
#define seea(a , x , y) for(int i = x; i < y; i++){cin >> a[i];}
#define sees(s , n) for(int i = 0;i < n; i++){int x; cin >> x; s.insert(x);}
#define seev(v , n) for(int i = 0;i < n; i++){int x; cin >> x; v.push_back(x);}
#define ub(a, x) upper_bound(all(a), x)
#define lb(a, x) lower_bound(all(a), x)
#define rall(x) x.rbegin(), x.rend()
#define all(x) x.begin(), x.end()
#define pii pair<int , int>
#define sz(x) (int)x.size()
#define pq priority_queue
#define int long long
#define vec vector
#define arr array

const int inf = 1e18, N = 4e5 + 5;

void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}

void solve() {
    // Code here
    int n , m;
    see(n , m);
    vec<int> a , b;
    seev(a , n); seev(b, m );
    vec<int> dp(1 << m , -1) , cp(1 << m , -1); 
    dp[0] = cp[0] = 0;
    for (int mask = 0; mask < (1 << m); mask++){
        for (int i = 0; i < m; i++){
            if (mask & (1 << i)){
                int fr = mask & ~(1 << i);
                if (cp[fr] != -1){
                    int x = dp[fr] + b[i];
                    int y = a[cp[fr]];
                    if (x < y)
                        cp[mask] = cp[fr],
                        dp[mask] = x;
                    else if (x == y)
                        cp[mask] = cp[fr] + 1,
                        dp[mask] = 0;
                }
            }
        }
        if (cp[mask] == n)
            return cout << "YES\n" , void();
    }
    cout << "NO\n";
    return;
}

int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    // setIO("");
        solve();
}

컴파일 시 표준 에러 (stderr) 메시지

bank.cpp: In function 'void setIO(std::string)':
bank.cpp:28:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:29:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 19 / 19
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29