Compilare: user.cpp: In function ‘int main()’: user.cpp:45:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(v[i][n+1]!=suma) ^ user.cpp:54:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(v[n+1][j]!=suma) ^ user.cpp:14:13: warning: unused variable ‘ok’ [-Wunused-variable] int n,s,ok=0,maxim=0,suma,maximfr=0,afisare[10000],k=0,okf=0,i1,i2,j1,j2; ^ user.cpp:14:41: warning: unused variable ‘afisare’ [-Wunused-variable] int n,s,ok=0,maxim=0,suma,maximfr=0,afisare[10000],k=0,okf=0,i1,i2,j1,j2; ^ user.cpp:14:56: warning: unused variable ‘k’ [-Wunused-variable] int n,s,ok=0,maxim=0,suma,maximfr=0,afisare[10000],k=0,okf=0,i1,i2,j1,j2; ^ user.cpp:74:55: warning: ‘suma’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<v[i1][j1]+suma-v[i1][n+1]<<" "<<v[i2][j2]+suma-v[i2][n+1]; ^