1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | #include <iostream> using namespace std; int check(int a, int b, int c) { if (b >= c) { cout << –1; return 0; } cout << a / (c – b) + 1; return 0; } int main() { int A, B, C; cin >> A >> B >> C; check(A, B, C); return 0; } | cs |