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