Compilare: user.cpp: In function ‘bool valid(int, int)’: user.cpp:72:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < result.size(); ++i) ~~^~~~~~~~~~~~~~~ user.cpp: In function ‘void composeResult(int, int, int)’: user.cpp:83:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < result.size(); ++i){ ~~^~~~~~~~~~~~~~~ user.cpp: In function ‘void printResult()’: user.cpp:126:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < finalResult.size(); i++) ~~^~~~~~~~~~~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:150:24: warning: right operand of comma operator has no effect [-Wunused-value] delete dist,visited; ^