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Submission #939892

# Submission time Handle Problem Language Result Execution time Memory
939892 2024-03-06T23:03:09 Z Pichon5 Ekoeko (COCI21_ekoeko) C++17
0 / 110
 1000 ms 348 KB 
#include <bits/stdc++.h>
#define pb push_back
#define vi vector<int>
#define ll long long
#define FIO ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
using namespace std;
const int tam=200005;
int T[tam];
int cant[28];
int aux[28];
int n;
int query(int pos){
    int res=0;
    while(pos>0){
        res+=T[pos];
        pos-=pos&-pos;
    }
    return res;
}
void update(int pos, int val){
    while(pos<tam){
        T[pos]+=val;
        pos+=pos&-pos;
    }
}
int inver(vi &P){
    long long res=0;
    for(int i=0;i<n;i++){
        res+=query(tam-1)-query(P[i]);
        update(P[i],1);
    }
    return res;
}
int solve(string &a, string &b){
    queue<int>Q[28];
    for(int i=0;i<n;i++){
        Q[a[i]-'a'].push(i+1);
    }
    vi P;
    for(int i=0;i<n;i++){
        P.pb(Q[b[i]-'a'].front());
        Q[b[i]-'a'].pop();
    }
    return inver(P);
}       
signed main(){
    FIO;
    string s;
    cin>>n;
    cin>>s;
    string a=s.substr(0,n);
    string b=s.substr(n,n);
    cout<<solve(a,b)<<"\n";
        
    return 0;
}
// Porque en realidad no sabes lo que duеle
// Darlo todo por alguien que no tе quiere

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1061 ms 348 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1061 ms 348 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1061 ms 348 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Execution timed out 1040 ms 344 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 40.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1061 ms 348 KB Time limit exceeded
2 Halted 0 ms 0 KB -