oj.uz

Submission #950363

# Submission time Handle Problem Language Result Execution time Memory
950363 2024-03-20T08:49:37 Z vjudge1 Remittance (JOI19_remittance) C++17
0 / 100
 75 ms 2648 KB 
#include <bits/stdc++.h>
 
#pragma optimize("Ofast,unroll-loops")
#pragma target("avx2")
 
using namespace std;
 
#define ll long long
#define ld long double
#define pb push_back
#define pf push_front
#define pii pair<int,int>
#define all(v) v.begin(),v.end()
#define F first
#define S second
#define mem(a,i) memset(a,i,sizeof(a))
#define sz(s) (int)s.size()
#define y1 yy
#define ppb pop_back
#define lb lower_bound
#define ub upper_bound
#define gcd(a,b) __gcd(a,b)
#define in insert
#define int ll
 
const int MAX=2e5+10;
const int B=500;
const int maxB=1000;
const int N=104;
const int block=450;
const int inf=2e9;  
const int mod=1e9+7;
const int mod1=1e9+9;
const ld eps=1e-9;
 
int dx[8]={1,0,-1,0,1,-1,-1,1};
int dy[8]={0,1,0,-1,1,-1,1,-1};
 
int binpow(int a,int n){
  if(!n)return 1;
  if(n%2==1)return a*binpow(a,n-1)%mod;
  int k=binpow(a,n/2);
  return k*k%mod;
}
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
 
int n;
int a[MAX],b[MAX];
 
int r(int i){
  return i%n+1;
}
 
int bit(int i,int j){
  return (i>>j)&1;
}
 
int p[MAX],c[MAX];
int sum=0;
bool ok=0;
 
bool check(){
  int na[10];
  int cc[10];
  int f=0,cnt=0;
  for(int i=1;i<=n;i++)na[i]=a[i],cc[i]=c[i],cnt+=c[i];
  while(f<=sum&&cnt>=0){
    for(int i=1;i<=n;i++){
      while(cc[i]&&na[i]>=2){
        na[i]-=2;
        na[r(i)]++;
        cnt--;
        cc[i]--;
      }
    }
    f++;
  }
  bool ok=1;
  for(int i=1;i<=n;i++){
    if(na[i]!=b[i])ok=0;
  }
  if(ok)return 1;
  return 0;
}
 
void calc(int i){
  if(i==n+1){
    ok|=check();
    return;
  }
  c[i]=0;
  for(c[i]=0;c[i]<=5;c[i]++){
    calc(i+1);
  }
}
 
void solve(){
  cin>>n;
  int mn=inf;
  for(int i=1;i<=n;i++){
    cin>>a[i]>>b[i];
    sum+=a[i]-b[i];
    mn=min(mn,a[i]);
  }
  if(sum<0){
    cout<<"No"<<"\n";
    return;
  }
  while(sum-n>=0&&mn){
    sum-=n;
    mn--;
    for(int i=1;i<=n;i++)a[i]-=1;
  }
  calc(1);
  if(ok){
    cout<<"Yes\n";
    return;
  }
  cout<<"No\n";
}
 
signed main(){
  // freopen("triangles.in","r",stdin);
  // freopen("triangles.out","w",stdout);
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  // prec();
  int t=1;
  // cin>>t;
  while(t--){
    solve();
  }
}

Compilation message

remittance.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    3 | #pragma optimize("Ofast,unroll-loops")
      | 
remittance.cpp:4: warning: ignoring '#pragma target ' [-Wunknown-pragmas]
    4 | #pragma target("avx2")
      |

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2648 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 26 ms 2396 KB Output is correct
7 Correct 30 ms 2524 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 5 ms 2396 KB Output is correct
11 Correct 16 ms 2524 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 3 ms 2396 KB Output is correct
15 Correct 16 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 4 ms 2396 KB Output is correct
19 Correct 14 ms 2520 KB Output is correct
20 Correct 35 ms 2396 KB Output is correct
21 Correct 75 ms 2396 KB Output is correct
22 Correct 27 ms 2396 KB Output is correct
23 Correct 45 ms 2392 KB Output is correct
24 Correct 23 ms 2392 KB Output is correct
25 Correct 22 ms 2524 KB Output is correct
26 Incorrect 8 ms 2396 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2648 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 26 ms 2396 KB Output is correct
7 Correct 30 ms 2524 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 5 ms 2396 KB Output is correct
11 Correct 16 ms 2524 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 3 ms 2396 KB Output is correct
15 Correct 16 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 4 ms 2396 KB Output is correct
19 Correct 14 ms 2520 KB Output is correct
20 Correct 35 ms 2396 KB Output is correct
21 Correct 75 ms 2396 KB Output is correct
22 Correct 27 ms 2396 KB Output is correct
23 Correct 45 ms 2392 KB Output is correct
24 Correct 23 ms 2392 KB Output is correct
25 Correct 22 ms 2524 KB Output is correct
26 Incorrect 8 ms 2396 KB Output isn't correct
27 Halted 0 ms 0 KB -

Subtask #3
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2648 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 26 ms 2396 KB Output is correct
7 Correct 30 ms 2524 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 5 ms 2396 KB Output is correct
11 Correct 16 ms 2524 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 3 ms 2396 KB Output is correct
15 Correct 16 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 4 ms 2396 KB Output is correct
19 Correct 14 ms 2520 KB Output is correct
20 Correct 35 ms 2396 KB Output is correct
21 Correct 75 ms 2396 KB Output is correct
22 Correct 27 ms 2396 KB Output is correct
23 Correct 45 ms 2392 KB Output is correct
24 Correct 23 ms 2392 KB Output is correct
25 Correct 22 ms 2524 KB Output is correct
26 Incorrect 8 ms 2396 KB Output isn't correct
27 Halted 0 ms 0 KB -