Compilare: main.cpp: In function 'int main()': main.cpp:37:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<s.size();i++) ~^~~~~~~~~ main.cpp:45:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while( i<s.size() and '0'<=s[i] and s[i]<='9') ~^~~~~~~~~ main.cpp:58:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<linii.size();i++) ~^~~~~~~~~~~~~ main.cpp:61:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if( i+1<linii.size() and linii[i+1]-linii[i]>1) g<< linii[i+1]-linii[i]-1<<" 0 "; ~~~^~~~~~~~~~~~~