Submission #90101

#	Time	Username	Problem	Language	Result	Execution time	Memory
90101		inom	Bank (IZhO14_bank)	C++14	0 / 100	4 ms	3204 KiB

bank

#include<bits/stdc++.h>
#include<ext/pb_ds/tree_policy.hpp>
#include<ext/pb_ds/assoc_container.hpp>

#define fi first
#define se second
#define new new228
#define pb push_back
#define rank rank228
#define sz(c) (int)(c).size()
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
 
using namespace std;
using namespace __gnu_pbds;
 
#pragma GCC optimize("Ofast")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,popcnt,abm,mmx,tune=native")
#pragma GCC optimize("fast-math")
#pragma warning(disable : 4996)
 
typedef tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; // st.oreder_of_key();

const int N = 100100;
const int INF = 1e15;
const int MAXN = 4 * N;
const int MOD = 998244353;
 
int TN = 1;

int n, m, x;
int b[N];

void rec(int cur, int pos) {
	if (cur == x) {
		printf("YES\n"); exit(false);
	}
	if (cur > x) {
		return;
	}
	rec(cur + b[pos], pos + 1);
	rec(cur, pos + 1);
}

void solve() {
	scanf("%d %d", &n, &m);
	scanf("%d", &x);
	for (int i = 1; i <= m; i++) {
		scanf("%d", &b[i]);
	}
	rec(1, 0);
	printf("NO\n");
    return;
}

signed main() {
    // ios_base::sync_with_stdio(0);
    // in; out;  // cin >> TN;
    while (TN--) { solve(); }
    return 0;
}

Compilation message (stderr)

bank.cpp:22:0: warning: ignoring #pragma warning  [-Wunknown-pragmas]
 #pragma warning(disable : 4996)
 
bank.cpp:27:17: warning: overflow in implicit constant conversion [-Woverflow]
 const int INF = 1e15;
                 ^~~~
bank.cpp: In function 'void solve()':
bank.cpp:48:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~~
bank.cpp:49:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &x);
  ~~~~~^~~~~~~~~~
bank.cpp:51:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &b[i]);
   ~~~~~^~~~~~~~~~~~~

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