Suuremmat

#include <iostream>
 
using namespace std;
 
int64_t n, t, c, b;
 
inline int64_t s1(int64_t x) {
	x++;
	c = 0;
	while (x >= 10) {
		x /= 10;
		c++;
	}
	b = x;
	x = 0;
	for (int64_t i = 0; i <= c; i++) {
		x *= 10;
		x += b;
	}
	return x;
}
 
inline int64_t s2(int64_t x) {
	x++;
	c = 0;
	while (x >= 10) {
		x /= 10;
		c++;
	}
	b = x == 9? 1 : x + 1;
	x = 0;
	for (int64_t i = 0; i <= c; i++) {
		x *= 10;
		x += b;
	}
	return x;
}
 
int main() {
	cin >> n;
	for (int64_t i = 0; i < n; i++) {
		cin >> t;
		int64_t s = s1(t);
		if (s > t) {
			cout << s << endl;
		} else {
			cout << s2(t) << endl;
		}
	}
}

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED