Compilare: user.cpp: In function ‘int main()’: user.cpp:116:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(strchr(r+j,')')!=NULL && j<strlen(r)) ^ user.cpp:120:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(r[j]==' ' && j<strlen(r)) ^ user.cpp:125:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<strlen(r) && r[j]>='0' && r[j]<='9') ^ user.cpp:13:18: warning: unused variable ‘v’ [-Wunused-variable] char r[1001],v[101][1000],aux[20]; ^ user.cpp:13:31: warning: unused variable ‘aux’ [-Wunused-variable] char r[1001],v[101][1000],aux[20]; ^ user.cpp:15:20: warning: unused variable ‘k’ [-Wunused-variable] long i,t=0,j=0,k,z=0,c[100]; ^ user.cpp:15:22: warning: unused variable ‘z’ [-Wunused-variable] long i,t=0,j=0,k,z=0,c[100]; ^ user.cpp:15:26: warning: unused variable ‘c’ [-Wunused-variable] long i,t=0,j=0,k,z=0,c[100]; ^