Compilare: main.cpp: In function 'int main()': main.cpp:67:32: warning: self-comparison always evaluates to true [-Wtautological-compare] if(a[i][ii]==a[i][ii]) ~~~~~~~~^~~~~~~~~~ main.cpp:36:9: warning: unused variable 'Max' [-Wunused-variable] int Max=0,k=0,r=0,jj; ^~~ main.cpp:36:19: warning: unused variable 'r' [-Wunused-variable] int Max=0,k=0,r=0,jj; ^ main.cpp:36:23: warning: unused variable 'jj' [-Wunused-variable] int Max=0,k=0,r=0,jj; ^~ main.cpp:37:9: warning: variable 'major' set but not used [-Wunused-but-set-variable] int major,ii; ^~~~~