Submission #49676

#	Time	Username	Problem	Language	Result	Execution time	Memory
49676		mra2322001	Crazy old lady (IZhO13_crazy)	C++14	0 / 100	2 ms	448 KiB

crazy

#include <bits/stdc++.h>
#define f0(i, n) for(int i(0); i<(n); i++)
#define f1(i, n) for(int i(1); i<=(n); i++)

using namespace std;
typedef long long ll;
const int N = 1002;

int n, testcase, a[N];

void solve(){
    vector <int> save;
    cin >> n;
    f1(i, n) cin >> a[i];
    /// first one is crazy old lady
    f1(i, n) if(a[i] != i) save.push_back(i); /// sai cho
    if(a[2]==1){
        /// seat of the COL is not 1
        cout << save[save.size() - 1] << endl;
    }
}

int main(){
    ios_base::sync_with_stdio(0);
 
    cin >> testcase;
    while(testcase--) solve();
}

• Subtask 1: 0 / 100