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2 years ago
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#include <iostream> using namespace std; int main() { int a, b; int count = 0; cin >> a >> b; for (int i = a; i <= b; i++) { int count_d = 0; int j = i; int k = i; while (j > 0) { j /= 10; count_d += 1; } while (count_d > 2) { k /= 10; count_d -= 1; } if (k % 10 == (k / 10) % 10){ count += 1; } } cout << count; }
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