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author | Matthew Strapp <msattr@gmail.com> | 2019-03-27 17:24:52 -0500 |
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committer | Matthew Strapp <msattr@gmail.com> | 2019-03-27 17:24:52 -0500 |
commit | 5cc1fc144e14992a53d1e8a57d4b10a42afdd04a (patch) | |
tree | cc0b16d69cf50db97fabdec7dd34d10269b91101 /ee1301/wk5/lab4/swappy.cpp | |
parent | Fix bad executable (diff) | |
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Finish Lab 4
Diffstat (limited to '')
-rw-r--r-- | ee1301/wk5/lab4/swappy.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/ee1301/wk5/lab4/swappy.cpp b/ee1301/wk5/lab4/swappy.cpp new file mode 100644 index 0000000..b697ff5 --- /dev/null +++ b/ee1301/wk5/lab4/swappy.cpp @@ -0,0 +1,24 @@ +#include <iostream> +using namespace std; + +void swap (int &a, int &b); +int main(int argc, char* argv[]) { + if (argc !=2) { + cout << "Incorrect number of arguments! USAGE:" << endl + << " swappy <string>" << endl;; + return 3; + } + int i; + for (i=0; i<10000; i++) { + if (argv[1][i]=='\0') { + break; + } + } + swap(argv[1][0],argv[1][(i-1)]); + cout << argv[1] << endl; + +} +void swap (char &a, char &b) { + char temp; + temp=a; a=b; b=temp; +} |