Borderou de evaluare (job #839540)

Compilare: main.cpp: In function 'int main()': main.cpp:15:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 15 | for(int i=0; i+1<x.size(); i++){ | ~~~^~~~~~~~~ main.cpp:20:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 20 | for(int i=c; i<x.size(); i++){ | ~^~~~~~~~~ main.cpp:18:19: warning: 'c' may be used uninitialized [-Wmaybe-uninitialized] 18 | y=x.substr(0, c); | ~~~~~~~~^~~~~~ main.cpp:14:13: note: 'c' was declared here 14 | int c, val; | ^ main.cpp:21:28: warning: 'val' may be used uninitialized [-Wmaybe-uninitialized] 21 | if(x[i]-'0'>mx && x[i]-'0'<val) mx=x[i]-'0'; main.cpp:14:16: note: 'val' was declared here 14 | int c, val; | ^~~