Compilare: main.cpp: In function 'int main()': main.cpp:14:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=1;i<=n;i++) ^~~ main.cpp:16:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(int i=1;i<=10000;i++) ^~~ main.cpp:18:22: warning: left operand of comma operator has no effect [-Wunused-value] for(int i=1,q=1;i<=n,q=1-q;i++) ~^~~