Compilare: main.cpp: In function 'int main()': main.cpp:48:21: warning: unused variable 'dif1' [-Wunused-variable] 48 | int dif1=n-i+1; | ^~~~ main.cpp:42:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 42 | for(int x=1; x<=log2(n); ++x) | ^~~ main.cpp:54:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 54 | for(int i=1; i<=n; ++i) | ^~~ main.cpp:59:21: warning: unused variable 'dif1' [-Wunused-variable] 59 | int dif1=m-j+1; | ^~~~ main.cpp:74:29: warning: unused variable 'dif1' [-Wunused-variable] 74 | int dif1=n-i+1; | ^~~~ main.cpp:75:29: warning: unused variable 'dif2' [-Wunused-variable] 75 | int dif2=m-j+1; | ^~~~