Compilare: user.cpp: In function ‘int divetimp(int, int)’: user.cpp:29:80: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(c[l][st]-c[i-1][st]!=l-i+1 || b[i][mid]-b[i][st-1]!=mid-st+1 && st<=mid) ^ user.cpp:31:76: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] while(c[l][dr]-c[i-1][dr]!=l-i+1 || b[i][dr]-b[i][mid]!=dr-mid && dr>=mid) ^ user.cpp:11:31: warning: unused variable ‘st1’ [-Wunused-variable] int i,st,maxim=0,mid,dr,l,st1,dr1; ^ user.cpp:11:35: warning: unused variable ‘dr1’ [-Wunused-variable] int i,st,maxim=0,mid,dr,l,st1,dr1; ^ user.cpp: In function ‘int main()’: user.cpp:47:13: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] f>>s+1; ^