Compilare: main.cpp: In member function 'void BigNumber::print()': main.cpp:24:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | if(i < v.size() - 1) { | ~~^~~~~~~~~~~~~~ main.cpp: In member function 'void BigNumber::add(const BigNumber&)': main.cpp:48:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | if(i < v.size()) s += v[i]; | ~~^~~~~~~~~~ main.cpp:49:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | if(i < other.v.size()) s += other.v[i]; | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'BigNumber BigNumber::operator+(const BigNumber&)': main.cpp:64:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | if(i < v.size()) s += v[i]; | ~~^~~~~~~~~~ main.cpp:65:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | if(i < other.v.size()) s += other.v[i]; | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void BigNumber::reduce(const BigNumber&)': main.cpp:80:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 80 | if(i < v.size()) s += v[i]; | ~~^~~~~~~~~~ main.cpp:81:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | if(i < other.v.size()) s += other.v[i]; | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'BigNumber BigNumber::operator-(const BigNumber&)': main.cpp:100:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 100 | if(i < v.size()) s += v[i]; | ~~^~~~~~~~~~ main.cpp:101:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 101 | if(i < other.v.size()) s += other.v[i]; | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'void BigNumber::multiply(long long int)': main.cpp:117:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 117 | for(int i = 0; i < v.size() or remainder > 0; i ++) { | ~~^~~~~~~~~~ main.cpp:119:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 119 | if(i < v.size()) s = s + value * v[i]; | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:145:25: warning: variable 'maxLost' set but not used [-Wunused-but-set-variable] 145 | int rounds, played, maxLost, win, lose; | ^~~~~~~