Envío 1956

Código

#include <iostream>
#include <vector>

using namespace std;

void print(const vector<int> &a) {
  for (int i = 0; i < a.size(); i++) {
    cout << a[i] << " ";
  }
  cout << endl;
}

vector<int> solve(const vector<int> &a) {
  int maxBuilding = 0;
  vector<int> solution(a.size());
  for (int i = a.size()-1; i >= 0; i--) {
	 if(a[i] >= maxBuilding) {
		solution[i] = -1;	
	 } else {
		solution[i] = maxBuilding;
	 }
	 maxBuilding = max(maxBuilding, a[i]);
  }
  return solution;
}

int main() {
  int C;
  cin >> C;
  for (int i = 0; i < C; i++) {
	 int N;
	 cin >> N;
	 vector<int> a(N);
	 for (int i = 0; i < N; i++) {
		cin >> a[i]; 
	 }
	 vector<int> s = solve(a);
	 cout << "Case #" << (i+1) << ": ";
	 print(s);
  }
  return 0;
}