Submission #1592290

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Source Code Expand

int main(){
    int n;
    cin>>n;
    int p[100001]={0};
    int ans=0;
    for (int i=1; i<=n; i++) {
        cin>>p[i];
    }
    for (int i=1; i<=n; i++) {
        if(p[i]==i){
            swap(p[i], p[i+1]);
            ans++;
        }
    }
    cout<<ans<<endl;
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:3:5: error: ‘cin’ was not declared in this scope
     cin>>n;
     ^
./Main.cpp:11:30: error: ‘swap’ was not declared in this scope
             swap(p[i], p[i+1]);
                              ^
./Main.cpp:15:5: error: ‘cout’ was not declared in this scope
     cout<<ans<<endl;
     ^
./Main.cpp:15:16: error: ‘endl’ was not declared in this scope
     cout<<ans<<endl;
                ^