#include using namespace std; ifstream in("numere18.in"); ofstream out("numere18.out"); int main() { int p, n, m; in >> p; if (p == 1) { in >> n; int S = 0, temp1 = n * (n - 1) / 2, temp2 = n * (n + 1) / 2; for (int i = temp1 + 1; i <= temp2; i++) S = S + i; out << S; } else { in >> m; int k = 1; while (k * (k + 1) / 2 < m) k++; k--; out << k + 1<< " " << m - k * (k + 1) / 2; } return 0; }