Compilare: main.cpp: In function 'int f(int, int, int)': main.cpp:14:28: warning: left operand of comma operator has no effect [-Wunused-value] return (st,mij-1,x); ^ main.cpp:14:27: warning: right operand of comma operator has no effect [-Wunused-value] return (st,mij-1,x); ~~~^~ main.cpp:16:24: warning: left operand of comma operator has no effect [-Wunused-value] return (mij+1,dr,x); ~~~^~ main.cpp:16:30: warning: right operand of comma operator has no effect [-Wunused-value] return (mij+1,dr,x); ^ main.cpp: In function 'int main()': main.cpp:27:9: warning: unused variable 'st' [-Wunused-variable] int st,dr,x,n,i,m,j,l,max=0,min=10000,mij=0,c; ^~ main.cpp:27:12: warning: unused variable 'dr' [-Wunused-variable] int st,dr,x,n,i,m,j,l,max=0,min=10000,mij=0,c; ^~ main.cpp:27:27: warning: unused variable 'max' [-Wunused-variable] int st,dr,x,n,i,m,j,l,max=0,min=10000,mij=0,c; ^~~ main.cpp:27:33: warning: unused variable 'min' [-Wunused-variable] int st,dr,x,n,i,m,j,l,max=0,min=10000,mij=0,c; ^~~ main.cpp:27:49: warning: unused variable 'c' [-Wunused-variable] int st,dr,x,n,i,m,j,l,max=0,min=10000,mij=0,c; ^ main.cpp: In function 'int f(int, int, int)': main.cpp:24:1: warning: control reaches end of non-void function [-Wreturn-type] } ^