Compilare: main.cpp: In function 'int main()': main.cpp:27:8: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(int i=1;i<=n;i++) ^~~ main.cpp:29:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' swap(poz[2][j],neg[2][j]); ^~~~