71972024-01-03 12:42:04horvathabelRendezéscpp17Forditási hiba
#include <bits/stdc++.h>
using namespace std;

int main()
{
    int n;
    cin>>n;
    int k;
    cin>>k;
    vector<int> pre;
    vector<int> v;
    pre.resize(n+1,0);
    for (int i=0; i<n;i++){
        int x;a
        cin>>x;
        v.push_back(x);
    }
    for (int i=0; i<k;i++){
        int a,b;
        cin>>a>>b;
        a--;
        b--;
        pre[a]++;
        pre[b]--;
    }
    int ke=-1;
    int most=0;
    for (int i=0; i<n;i++){
        most+=pre[i];
        if (ke==-1 && most>0){
            ke=i;
        }
        if (most==0 && ke!=-1){
            sort(v.begin()+ke, v.begin()+i+1);
            ke=-1;
        }
    }
    int ans=0;
    for (int i=0; i<n;i++){
        ans+=(v[i]==i+1);
    }
    cout<<ans<<endl;
}
Forditási hiba
exit status 1
main.cpp: In function 'int main()':
main.cpp:14:15: error: 'a' was not declared in this scope
   14 |         int x;a
      |               ^
Exited with error status 1