Borderou de evaluare (job #478939)

Compilare: user.cpp: In function 'BigInt Integer(std::string)': user.cpp:39:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function 'BigInt Integer(char*)': user.cpp:50:5: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function 'BigInt operator+(BigInt, BigInt)': user.cpp:150:5: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:151:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:152:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function 'BigInt operator-(BigInt, BigInt)': user.cpp:186:5: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:187:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function 'BigInt operator*(BigInt, BigInt)': user.cpp:219:5: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:221:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:222:58: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function 'BigInt operator/(BigInt, BigInt)': user.cpp:248:45: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings] user.cpp: In function 'BigInt operator%(BigInt, BigInt)': user.cpp:295:45: warning: deprecated conversion from string constant to 'char*' [-Wwrite-strings]