Compilare: main.cpp: In function 'void tarjan(int)': main.cpp:18:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[nod].size();i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:49:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=n;i++) ^~~ main.cpp:51:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' g<<nrc<<'\n'; ^ main.cpp:53:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<sol[i].size()-1;j++) ~^~~~~~~~~~~~~~~~ main.cpp:54:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(k=j+1;k<sol[i].size();k++) ~^~~~~~~~~~~~~~ main.cpp:52:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=nrc;i++) ^~~ main.cpp:61:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(i=1;i<=nrc;i++) ^~~ main.cpp:64:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<sol[i].size();j++) ~^~~~~~~~~~~~~~ main.cpp:64:13: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(j=0;j<sol[i].size();j++) ^~~ main.cpp:66:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' g<<'\n'; ^