이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
/* -> Written by <-
-----------
|K_A_Z_A_M_A|
|___________|
| ___ |
| (^_^) |
| /( | )\ |
|____|_|____|
H O A N G
*/
#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;
using ll = long long;
using db = double;
//using int = long long
#define F first
#define S second
#define eb emplace_back
#define endl '\n'
#define sz(x) ((int)x.size())
#define all(x) x.begin(), x.end()
#define bit(x, i) (((x) >> (i)) & 1)
#define fr(i,a,b) for (int i = (int)(a); i <= (int)(b); ++ i)
#define FR(i,a,b) for (int i = (int)(a); i < (int)(b); ++ i)
#define frr(i,a,b) for (int i = (int)(a); i >= (int)(b); -- i)
#define fre(i, a) for (auto &i : a)
//#define ordered_set tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifndef ONLINE_JUDGE
#define debug(x...) {cerr << "[" << #x << "] = ["; _print(x); }
#else
#define debug(x...)
#endif
// ===========================================================================================
const int MOD = 1e9 + 7; const ll MM = (ll)MOD * MOD;
const int base = 1e6; const int B = 32;
const int inf = 1e9 + 7; const ll INF = 1e18 + 7;
const int dx8[] = {0, 0, 1, 1, 1, -1, -1, -1}; const int dy8[] = {1, -1, 0, 1, -1, 0, 1, -1};
const int dx4[] = {0, 0, 1, -1}; const int dy4[] = {1, -1, 0, 0};
// code go here
int n, m;
int a[20], b[20];
int f[1<<20], rem[1<<20];
void solve(int tc) {
cin >> n >> m;
FR(i, 0, n)
cin >> a[i];
FR(i, 0, m)
cin >> b[i];
memset(f, -1, sizeof(f));
memset(rem, -1, sizeof(rem));
f[0] = rem[0] = 0;
FR(mask, 1, 1<<m) {
FR(i, 0, m)
if (bit(mask, i)) {
int state = mask - (1 << i);
if (f[state] == -1)
continue;
int newc = rem[state] + b[i];
int curc = a[f[state]];
if (newc < curc) {
f[mask] = f[state];
rem[mask] = newc;
} else if (newc == curc) {
f[mask] = f[state] + 1;
rem[mask] = 0;
}
}
debug(mask, f[mask], rem[mask]);
if (f[mask] == n) {
cout << "YES\n";
return;
}
}
cout << "NO\n";
}
signed main(){
cin.tie(0)->sync_with_stdio(0);
#define Task ""
if (fopen(Task".in", "r")) { // for old USACO
freopen(Task".in", "r", stdin);
freopen(Task".out", "w", stdout);
}
if (fopen(".log", "w")) // for debugging
freopen(".log", "w", stderr);
int tc = 1;
// cin >> tc;
// prepare();
fr(i, 1, tc) {
solve(i);
// bf();
}
return 0;
}
// try your best !!!
컴파일 시 표준 에러 (stderr) 메시지
bank.cpp: In function 'int main()':
bank.cpp:117:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
117 | freopen(Task".in", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:118:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
118 | freopen(Task".out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:121:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
121 | freopen(".log", "w", stderr);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |