Submission #1147328

#	Time	Username	Problem	Language	Result	Execution time	Memory
1147328		Sang	Bank (IZhO14_bank)	C++20	0 / 100	2 ms	328 KiB

bank

#include<bits/stdc++.h>
using namespace std;

#define int long long
#define FOR(i, a, b) for (int i = (a), _b = (b); i <= _b; i++)
#define FORD(i, a, b) for (int i = (a), _b = (b); i >= _b; i--)
#define fi first
#define se second
#define pb push_back
#define ALL(a) (a).begin(), (a).end()
#define task "kbsiudthw"

typedef vector<int> vi;
typedef pair<int, int> ii;
typedef pair<int, ii> pii;

const int N = 1e5 + 5;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 2277;

int n, m, a[1005], b[1005];
bool dp[1005];

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    if (fopen(task".inp", "r")){
        freopen(task".inp", "r", stdin);
        freopen(task".out", "w", stdout);
    }
    cin >> n >> m;
    FOR (i, 1, n) cin >> a[i];
    FOR (i, 1, m) cin >> b[i];
    dp[0] = 1;
    FOR (i, 1, m){
      FOR (j, b[i], 1000) dp[j] |= dp[j-b[i]];
    }
    int ok = 1;
    FOR (i, 1, n){
      ok &= dp[i];
    }
    cout << (ok ? "YES" : "NO");

    return 0;
}

Compilation message (stderr)

bank.cpp: In function 'int main()':
bank.cpp:28:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |         freopen(task".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:29:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |         freopen(task".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 19
• Subtask 2: 0 / 25
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29