Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 1 | #import <fstream> | ^~~~~~ main.cpp:15:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 15 | main() | ^~~~ main.cpp: In function 'int main()': main.cpp:23:18: warning: operation on 'k' may be undefined [-Wsequence-point] 23 | A[i][p][k--] = A[i][p][k - 1]; | ~^~