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Submission #947575

# Submission time Handle Problem Language Result Execution time Memory
947575 2024-03-16T13:17:57 Z sondos225 Martian DNA (BOI18_dna) C++17
0 / 100
 20 ms 4444 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fast ios_base::sync_with_stdio(0);cin.tie(NULL);cout.tie(NULL);
#define pb push_back
#define yes "YES"
#define no "NO"
#define bigg INT_MAX
#define debug(x) cout<<(#x)<<" = " <<x<<endl;
#define all(x) x.begin(),x.end()
#define sz size()
#define nn '\n'
#define mms(x,y) memset(x,y,sizeof(x))
#define forr(i,j,n) for (int i=j; i<n; i++)
#define forn(i,j,n) for (int i=j; i>n; i--)
#define fi first
#define se second
#define la "LA"
#define cinn(x,y) for(int i=0; i<y; i++) cin>>x[i];
#define pii pair<int,int>
signed main()
{
//    #ifndef LOCAL
//    freopen("lifeguards.in","r",stdin);
//    freopen("lifeguards.out","w", stdout);
//    #endif
    fast
    int n,k,r;
    cin>>n >>k >>r;
    int a[n];
    forr(i,0,n)
    {
        cin>>a[i];
    }
    int freq[k]={ };
    bool req[k]={ };
    forr(i,0,r)
    {
        int x,y;
        cin>>x >>y;
        freq[x]=y;
        req[x]=1;
    }
    int j=0;
    int c=r;
    int ans=bigg;
    forr(i,0,n)
    {
        int x=a[i];
        if (c==0)
        {
           for(;j<=i;j++)
           {
               if (req[a[j]] && freq[a[j]]==0) break;
               freq[a[j]]++;
           }
           ans=min(ans,i-j);
        }
        else{
//        if (freq[x])
//        {
            freq[x]--;
            if (freq[x]==0) c--;
            //freq[x]=-1;
//        }
        }
    }
    if (ans==bigg) cout<<"impossible";
    else cout<<ans;
    return 0;
}

Subtask #1
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Incorrect 9 ms 2392 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 4444 KB Output isn't correct
2 Halted 0 ms 0 KB -