../programs/55367.cpp: In function 'int main()':
../programs/55367.cpp:9: error: 'stdin' was not declared in this scope
../programs/55367.cpp:9: error: 'freopen' was not declared in this scope
../programs/55367.cpp:10: error: 'stdout' was not declared in this scope
../programs/55367.cpp:11: error: 'cin' was not declared in this scope
../programs/55367.cpp:42: error: 'cout' was not declared in this scope
../programs/55367.cpp:46: error: 'cout' was not declared in this scope
../programs/55367.cpp:8: warning: unused variable 'j'
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