expresie.cpp: In function 'int main()': expresie.cpp:15: warning: comparison between signed and unsigned integer expressions expresie.cpp:24: error: invalid types 'unsigned int[int]' for array subscript expresie.cpp:24: error: invalid types 'unsigned int[int]' for array subscript expresie.cpp:24: error: invalid types 'unsigned int[int]' for array subscript expresie.cpp:24: error: invalid types 'unsigned int[int]' for array subscript expresie.cpp:24: error: invalid types 'unsigned int[int]' for array subscript