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Property | Value |
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Description html markup shown to student | Performing a swap using pass-by-reference. |
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Template / Reference solution |
using namespace std; void exchange(\[int& a, int& b]\) { \[ int tmp = a; a = b; b = tmp; ]\ } int main() { int x = 103; int y = 99; exchange(x, y); cout << "x is " << x << ", y is " << y << endl; } |
C++ test suite json list of stdin/args tests e.g. [{"stdin":"hi", "args":["4", "5"]}, {"stdin":"noargs"}] to just run once with no input use [{}] | [ {} ] |
Solution visibility |
Note: problems are open-source by default (see 'Public permissions'). Assumed license for open problems is Creative Commons 4.0 Attribution-ShareAlike unless specified in 'Remarks'.