Compilare: user.cpp: In function ‘int cauta(int, int, int)’: user.cpp:58:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(x[mij]<a || st>dr) ~~~~~~^~ user.cpp:60:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(st==dr && v[st]==a) ~~~~~^~~ user.cpp:62:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(x[mij]==a) ~~~~~~^~~ user.cpp:65:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(sst>=a) ~~~^~~ user.cpp: In function ‘int main()’: user.cpp:73:16: warning: unused variable ‘j’ [-Wunused-variable] unsigned i,j,k,o,a,b,p1,p2; ^ user.cpp:73:18: warning: unused variable ‘k’ [-Wunused-variable] unsigned i,j,k,o,a,b,p1,p2; ^ user.cpp:73:26: warning: unused variable ‘p1’ [-Wunused-variable] unsigned i,j,k,o,a,b,p1,p2; ^~ user.cpp:73:29: warning: unused variable ‘p2’ [-Wunused-variable] unsigned i,j,k,o,a,b,p1,p2; ^~ user.cpp: In function ‘int cauta(int, int, int)’: user.cpp:69:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:79:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&m); ^ user.cpp:83:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i]); ^ user.cpp:89:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&o,&a); ^ user.cpp:92:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&b); ^ user.cpp:97:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&b); ^