Compilare: main.cpp: In function 'bool CanTransformInA()': main.cpp:21:12: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 21 | if(pos >= L) return false; | ~~~~^~~~ main.cpp: In function 'bool CanTransformInB()': main.cpp:33:12: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 33 | if(pos >= L) return false; | ~~~~^~~~ main.cpp:46:16: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 46 | if(pos >= L || expr[pos] != 3) return false; | ~~~~^~~~ main.cpp: In function 'bool CanTransformInC()': main.cpp:57:12: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 57 | if(pos >= L) | ~~~~^~~~ main.cpp:74:16: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 74 | if(pos >= L || expr[pos] != 2) return false; | ~~~~^~~~ main.cpp: In function 'void Solve()': main.cpp:85:33: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 85 | if(CanTransformInA() && pos == L - 1) | ~~~~^~~~~~~~ main.cpp:92:33: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 92 | if(CanTransformInB() && pos == L - 1) | ~~~~^~~~~~~~ main.cpp:99:33: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 99 | if(CanTransformInC() && pos == L - 1) | ~~~~^~~~~~~~