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#include <iostream> #include <cmath> using namespace std; int main() { int a, b, c, d, e ,a1,a2; e = 0; d = 0; cin >> a >> b; for (int i = a; i < b+1; i++){ c = i; while (c >= 10) { d += 1; c /= 10; } c = i; a1 = c / pow(10, d); a2 = c / int(pow(10, d - 1)) % 10; if (a1 == a2) e += 1; d = 0; } cout << e; }
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