Compilare: main.cpp: In function 'int main()': main.cpp:15:18: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 15 | for(j=0;j<strlen(s);j++) | ~^~~~~~~~~~ main.cpp:26:9: warning: this 'else' clause does not guard... [-Wmisleading-indentation] 26 | else fout<<":("<<"\n";nr=0;} | ^~~~ main.cpp:26:31: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'else' 26 | else fout<<":("<<"\n";nr=0;} | ^~