#include <bits/stdc++.h>
#define FOR(i, a, b) for (int i = (a); i < (b); i++)
#define FORd(i, a, b) for (int i = (a); i >= (b); i--)
#define REP(i, n) FOR(i, 0, n)
#define ll long long
using namespace std;
const int MAXN = 100100;
int arr[MAXN];
int main() {
ios_base::sync_with_stdio(false);
int n;
cin >> n;
REP(i, n) cin >> arr[i];
n--;
int t = 1;
while (t < n) t *= 10;
if (arr[0] == 0) cout << 10 * t << "\n";
else cout << arr[i] * t << "\n";
return 0;
}
Compilation message
sequence.cpp: In function 'int main()':
sequence.cpp:25:34: error: 'i' was not declared in this scope
else cout << arr[i] * t << "\n";
^
