Compilare: main.cpp: In function 'std::pair<int, int> calcul(std::__cxx11::string)': main.cpp:21:13: warning: unused variable 'sum' [-Wunused-variable] int sum=0,ind=0; ^~~ main.cpp:39:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(ind==s.size()) ~~~^~~~~~~~~~ main.cpp:63:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(ind<s.size()-1) ///ma uit in interior ~~~^~~~~~~~~~~ main.cpp:70:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(parantezare and ind<s.size()-1) ~~~^~~~~~~~~~~ main.cpp:88:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(s[ind]!=',' and ind<s.size()-1) ~~~^~~~~~~~~~~ main.cpp:62:25: warning: unused variable 'doi' [-Wunused-variable] int ind=1,unu=0,doi; ^~~ main.cpp:112:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(ind<s.size()-1) ///ma uit in interior ~~~^~~~~~~~~~~ main.cpp:119:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(parantezare and ind<s.size()-1) ~~~^~~~~~~~~~~ main.cpp:137:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(s[ind]!=',' and ind<s.size()-1) ~~~^~~~~~~~~~~ main.cpp:111:25: warning: unused variable 'doi' [-Wunused-variable] int ind=1,unu=0,doi; ^~~ main.cpp:149:1: warning: control reaches end of non-void function [-Wreturn-type] } ^