Compilare: main.cpp: In function 'int main()': main.cpp:11:15: warning: unused variable 'x' [-Wunused-variable] 11 | int t,n,k,x=2,c=3,aux,i,j; | ^ main.cpp:11:19: warning: unused variable 'c' [-Wunused-variable] 11 | int t,n,k,x=2,c=3,aux,i,j; | ^ main.cpp:11:23: warning: unused variable 'aux' [-Wunused-variable] 11 | int t,n,k,x=2,c=3,aux,i,j; | ^~~ main.cpp:43:38: warning: 'jmen' may be used uninitialized in this function [-Wmaybe-uninitialized] 43 | swap(ma[imen][jmen], ma[jmen + 1][jmen + 1]); | ~~~~~^~~ main.cpp:28:25: warning: 'imen' may be used uninitialized in this function [-Wmaybe-uninitialized] 28 | int x=1, lin=1, imen, jmen; | ^~~~