Compilare: main.cpp: In function 'int main()': main.cpp:7:44: warning: variable 'a' set but not used [-Wunused-but-set-variable] int n,m[105][105],s[105][105],maxx=0,x,a,b,c,d; ^ main.cpp:7:46: warning: variable 'b' set but not used [-Wunused-but-set-variable] int n,m[105][105],s[105][105],maxx=0,x,a,b,c,d; ^ main.cpp:7:48: warning: variable 'c' set but not used [-Wunused-but-set-variable] int n,m[105][105],s[105][105],maxx=0,x,a,b,c,d; ^ main.cpp:7:50: warning: variable 'd' set but not used [-Wunused-but-set-variable] int n,m[105][105],s[105][105],maxx=0,x,a,b,c,d; ^