Compilare: user.cpp: In function ‘int main()’: user.cpp:33:48: warning: operation on ‘i’ may be undefined [-Wsequence-point] x[++i]=x[i-1]+s[1][j]+s[2][j+1]-s[2][j]; ^ user.cpp:37:48: warning: operation on ‘i’ may be undefined [-Wsequence-point] y[++i]=y[i-1]+s[1][j]+s[2][j]-s[2][j-1]; ^ user.cpp: In function ‘int caut(int, int, int, int)’: user.cpp:10:9: warning: ‘mij’ may be used uninitialized in this function [-Wmaybe-uninitialized] int mij,ok=0; ^ user.cpp: In function ‘int main()’: user.cpp:25:44: warning: ‘t’ is used uninitialized in this function [-Wuninitialized] long long i,j,sol=-999999999,t,sc=0,tt=t; ^