이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
// I stand with PALESTINE
//#pragma GCC optimize("Ofast,O3")
//#pragma GCC target("avx,avx2")
#include "bits/stdc++.h"
using namespace std;
using ll = long long;
void solve() {
int n, m;
cin >> m >> n;
vector<int> a(n), b(m);
for (int &x: b) cin >> x;
for (int &x: a) cin >> x;
auto solve = [&]() -> void {
for (int i = 0; i < m; i++) {
vector<int> came(b[i] + 1, -1);
came[0] = 0;
for (int j = 0; j < a.size(); j++) {
for (int x = b[i]; x >= a[j]; x--) {
if (came[x] == -1 and came[x - a[j]] != -1) {
came[x] = a[j];
}
}
}
if (came[b[i]] == -1) return;
int x = b[i];
while (x != 0) {
a.erase(find(a.begin(), a.end(), came[x]));
x -= came[x];
}
// for (int x: a) cout << x << ' ';
// cout << endl;
}
cout << "YES";
exit(0);
};
for (int i = 0; i < 4; i++) {
if (i & 1) sort(a.begin(), a.end());
else sort(a.rbegin(), a.rend());
if (i & 2) sort(b.begin(), b.end());
else sort(b.rbegin(), b.rend());
solve();
}
cout << "NO";
}
int main() {
cin.tie(0)->sync_with_stdio(false);
#ifdef sunnatov
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
int q = 1;
// cin >> q;
while (q--) {
solve();
cout << '\n';
}
}
컴파일 시 표준 에러 (stderr) 메시지
bank.cpp: In lambda function:
bank.cpp:23:31: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
23 | for (int j = 0; j < a.size(); j++) {
| ~~^~~~~~~~~~
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