Compilare: main.cpp: In function 'int main()': main.cpp:18:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (((1<<i)&p)>0) ^~ main.cpp:21:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' a=(a * a) % m; ^