Compilare: main.cpp: In function 'int main()': main.cpp:33:1: warning: this 'else' clause does not guard... [-Wmisleading-indentation] else ^~~~ main.cpp:37:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'else' return 0; ^~~~~~ main.cpp:18:7: warning: unused variable 'i' [-Wunused-variable] int p,i,gasit=0,nr=1,x; ^