Compilare: user.cpp: In function ‘void probl2()’: user.cpp:124:9: warning: unused variable ‘rez2’ [-Wunused-variable] int rez2=1; ^ user.cpp:125:10: warning: unused variable ‘R’ [-Wunused-variable] int R=100003; ^ user.cpp: In function ‘int main()’: user.cpp:163:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d",&l,&c); ^ user.cpp:164:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d%d%d",&xs,&ys,&xf,&yf); ^ user.cpp:166:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&nrvt); ^ user.cpp:170:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d",&vr[i].f,&vr[i].t); ^ user.cpp:180:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&nroz); ^ user.cpp:186:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d",&oz[i].f,&oz[i].t); ^