Submission #1069869

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1069869	2024-08-22 09:30:03	Abito	Brought Down the Grading Server? (CEOI23_balance)	C++17	0 / 100	2075 ms	23128 KiB

balance

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#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define ppb pop_back
#define ep insert
#define endl '\n'
#define elif else if
#define pow pwr
#define sqrt sqrtt
#define int long long
#define ll long long
typedef unsigned long long ull;
using namespace std;
const int N=5e5+5;
int n,t,s,f[2][N];
vector<int> a[N];
int32_t main(){
  ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
  cin>>n>>s>>t;
  for (int i=0;i<n;i++){
    a[i].resize(s);
    for (int j=0;j<s;j++) cin>>a[i][j];
  }
  for (int mask=0;mask<(1<<n);mask++){
    for (int i=0;i<n;i++) if (mask&(1<<i)) swap(a[i][0],a[i][1]);
    memset(f,0,sizeof(f));
    for (int i=0;i<n;i++) f[0][a[i][0]]++,f[1][a[i][1]]++;
    bool ok=true;
    for (int i=1;i<=t;i++) ok&=(abs(f[0][i]-f[1][i])<=1);
 
 
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• Subtask 0: 0 / 0
• Subtask 1: 0 / 10
• Subtask 2-1: 0 / 15
• Subtask 2-2: 0 / 5
• Subtask 2-3: 0 / 5
• Subtask 3-1: 0 / 15
• Subtask 3-2: 0 / 5
• Subtask 3-3: 0 / 5
• Subtask 4-1: 0 / 20
• Subtask 4-2: 0 / 10
• Subtask 4-3: 0 / 10