Compilare: main.cpp: In function 'int main()': main.cpp:13:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (j=1;j<=n;j++) ^~~ main.cpp:15:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' sort(s+1,s+n+1); ^~~~ main.cpp:11:9: warning: unused variable 'i' [-Wunused-variable] int i,j; ^