Compilare: user.cpp: In function ‘void le(int, int)’: user.cpp:48:23: warning: unused variable ‘i’ [-Wunused-variable] int st=1,dr=1,x,y,i,j; ^ user.cpp: In function ‘int main()’: user.cpp:93:45: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d%d%d%d",&p,&n,&m,&xc,&yc); ^ user.cpp:94:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&k); ^ user.cpp:97:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d%d",&x,&y,&tip); ^ user.cpp:113:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&nrg); ^ user.cpp:116:50: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d%d%d",&xg1,&yg1,&xg2,&yg2); ^