Compilare: main.cpp: In function 'std::vector<int> reu(std::vector<int>, std::vector<int>)': main.cpp:11:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<a.size() and j<b.size() ) ~^~~~~~~~~ main.cpp:11:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<a.size() and j<b.size() ) ~^~~~~~~~~ main.cpp:16:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<a.size()) c.push_back(a[i++]); ~^~~~~~~~~ main.cpp:17:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<b.size()) c.push_back(b[j++]); ~^~~~~~~~~ main.cpp: In function 'std::vector<int> sect(std::vector<int>, std::vector<int>)': main.cpp:25:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<a.size() and j<b.size() ) ~^~~~~~~~~ main.cpp:25:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<a.size() and j<b.size() ) ~^~~~~~~~~ main.cpp: In function 'std::vector<int> difernt(std::vector<int>, std::vector<int>)': main.cpp:37:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<a.size() and j<b.size()) ~^~~~~~~~~ main.cpp:37:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<a.size() and j<b.size()) ~^~~~~~~~~ main.cpp:43:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<a.size()) c.push_back(a[i++]); ~^~~~~~~~~ main.cpp: In function 'std::vector<int> element()': main.cpp:54:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(expresie[p]== '{' and p<expresie.size() ) ~^~~~~~~~~~~~~~~~ main.cpp:56:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(expresie[p]!='}' and p<expresie.size() ) ~^~~~~~~~~~~~~~~~ main.cpp:58:64: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while ( '0'<=expresie[p] and expresie[p]<='9' and p<expresie.size() ) ~^~~~~~~~~~~~~~~~ main.cpp: In function 'std::vector<int> eval()': main.cpp:80:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while( p<expresie.size() and (expresie[p]=='*' or expresie[p]=='+' or expresie[p]=='-' or expresie[p]=='%' ) ) ~^~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:98:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<ans.size();i++) ~^~~~~~~~~~~ main.cpp:100:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(i==ans.size()-1) g<<'}';