Submission #565718

#	Time	Username	Problem	Language	Result	Execution time	Memory
565718		Halym2007	Bank (IZhO14_bank)	C++11	0 / 100	1 ms	212 KiB

bank

#include <bits/stdc++.h>
#define ff first
#define ss second
#define cont continue;
#define sz size()
#define pb push_back
using namespace std;
typedef long long ll;
const int N = 100005;
int n, m, kl[25], c[25], a[25], b[25];
bool kp;
void solve(int x) {
if (x == m + 1) {
for (int i = 1; i <= m; ++i) {
kl[c[i]] += b[i];
}
for (int i = 1; i <= n; ++i) {
if (kl[i] != a[i]) kp = 1;
}
if (!kp) {
cout << "YES\n";
exit(0);
}
for (int i = 1; i <= m; ++i) {
kl[c[i]] = 0;
}
kp = 0;
return;
}
for (int i = 0; i <= n; ++i) {
c[x] = i;
solve (x + 1);
}
}
// 0 19 44 71 100
 
int main() {
  freopen("bank.in", "r", stdin);
  freopen("bank.out", "w", stdout);
 
for (int i = 1; i <= n; ++i) cin >> a[i];
  for (int i = 1; i <= m; ++i) cin >> b[i];
  if (n > m) return cout << "NO\n", 0;
  solve (1);
  cout << "NO\n";
}

Compilation message (stderr)

bank.cpp: In function 'int main()':
bank.cpp:39:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |   freopen("bank.in", "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
bank.cpp:40:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |   freopen("bank.out", "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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