Compilare: main.cpp: In function 'bool verifsubsir(int, int)': main.cpp:11:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (b<s[i].size()&&c<s[j].size()) ~^~~~~~~~~~~~ main.cpp:11:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (b<s[i].size()&&c<s[j].size()) ~^~~~~~~~~~~~ main.cpp:16:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (b==s[i].size()) ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:35:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (s[i].size()>mn) {mn=s[i].size();t=s[i];} ~~~~~~~~~~~^~~ main.cpp:36:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] else if (s[i].size()==mn&&t<s[i]) s[i]=t; ~~~~~~~~~~~^~~~ main.cpp:50:13: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (j=i+1;j<=n;j++) ^~~ main.cpp:55:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' if (k==0) {nr++;a[i]=1;} ^~