../programs/40532.cpp: In function 'int main()':
../programs/40532.cpp:21: error: 'k' was not declared in this scope
../programs/40532.cpp:27: error: 'k' was not declared in this scope
../programs/40532.cpp:33: error: 'k' was not declared in this scope
../programs/40532.cpp:41: error: 'k' was not declared in this scope
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