Borderou de evaluare (job #611964)

Compilare: main.cpp: In function 'int main()': main.cpp:13:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 13 | for(i=0; i<a.size(); i++) | ~^~~~~~~~~ main.cpp:59:25: warning: value computed is not used [-Wunused-value] 59 | a[0]=='0'; main.cpp:65:25: warning: value computed is not used [-Wunused-value] 65 | a[0]=='0'; main.cpp:70:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 70 | if(ch!='0' && i!=a.size()) | ~^~~~~~~~~~