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题目
单项选择题

What is the output if 123ABC is the input? #include <iostream> using namespace std; int main() { int number; cin >> number; cout << number; }

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The question asks what happens when the input is 123ABC and we read it into an int with cin >> number; followed by cout << number;. First, consider how operator>> for integers works in C++.......Login to view full explanation

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What is the output if the user enters 10 20 30 40 50? #include <iostream> #include <sstream> #include <string> using namespace std; int main() { istringstream inSS; int number; int sum = 0; string numList; cout << "Enter numbers separated by spaces: "; getline(cin, numList); inSS.str(numList); while (inSS >> number) { sum = sum + number; } cout << "Sum: " << sum << endl; return 0; }

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