Submission #854830

#	Time	Username	Problem	Language	Result	Execution time	Memory
854830		hungt58	Bank (IZhO14_bank)	C++14	71 / 100	1086 ms	448 KiB

bank

#pragma GCC optimize(" unroll-loops")
#pragma gcc optimize("Ofast")
#pragma GCC optimization("Ofast")
#pragma optimize(Ofast)
#include <bits/stdc++.h>
using namespace std;

#define ff first
#define ss second
#define ll int
#define TIME  (1.0 * clock() / CLOCKS_PER_SEC)

 ll n,m,a[21],b[21],res;
 void dao(ll i)
 {
     for (ll j=1;j<=n;j++)
        if (a[j]>=b[i])
      {
         a[j]-=b[i];
         if (a[j]==0) res--;
         if (m-i>=res)
         {
          if (i==m)
          {if (res==0){cout<<"YES";exit(0);}}
          else dao(i+1);
         }
         if (a[j]==0) res++;
        a[j]+=b[i];
     }
 }
int main()
{
 
    ios_base :: sync_with_stdio(0);
    cin.tie(0),cout.tie(0);
    cin>>n>>m;


    for (ll i=1;i<=n;i++)
    cin>>a[i];
     n++;
    a[n]=100010;
    for (ll i=1;i<=m;i++)
    cin>>b[i];
    res=n-1;
    dao(1);
    cout<<"NO";






}

Compilation message (stderr)

bank.cpp:2: warning: ignoring '#pragma gcc optimize' [-Wunknown-pragmas]
    2 | #pragma gcc optimize("Ofast")
      | 
bank.cpp:3: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
    3 | #pragma GCC optimization("Ofast")
      | 
bank.cpp:4: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    4 | #pragma optimize(Ofast)
      | 
bank.cpp:1:37: warning: bad option '-f unroll-loops' to pragma 'optimize' [-Wpragmas]
    1 | #pragma GCC optimize(" unroll-loops")
      |                                     ^
bank.cpp:14:15: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes]
   14 |  void dao(ll i)
      |               ^
bank.cpp:31:10: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes]
   31 | int main()
      |          ^

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