Compilare: main.cpp: In function 'int main()': main.cpp:20:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<s.size();++j) ~^~~~~~~~~ main.cpp:23:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(s.at(j)=='*' && j<s.size()) ~^~~~~~~~~ main.cpp:41:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;s.at(j)!='E' && j<s.size();++j) ~^~~~~~~~~ main.cpp:100:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<s.size();++j) ~^~~~~~~~~ main.cpp:107:50: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(s1[k]!=s1[j]+1 && k<s.size()) ~^~~~~~~~~ main.cpp:110:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(k==s.size()) ~^~~~~~~~~~ main.cpp:116:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(k==s.size()) ~^~~~~~~~~~ main.cpp:134:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<s.size();++j) ~^~~~~~~~~ main.cpp:141:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(s2[k]!=s2[j]+1 && k<s.size()) ~^~~~~~~~~ main.cpp:144:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(k==s.size()) ~^~~~~~~~~~ main.cpp:150:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(k==s.size()) ~^~~~~~~~~~