Compilare: main.cpp: In function 'int main()': main.cpp:15:10: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] in>>a+1>>b+1; ~^~ main.cpp:15:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] in>>a+1>>b+1; ~^~ main.cpp:53:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<c.size();i++) ~^~~~~~~~~