Compilare: user.cpp: In function ‘int main()’: user.cpp:83:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,t,x,y,r; ^ user.cpp: In function ‘void citire()’: user.cpp:72:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &m); ^ user.cpp:75:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^ user.cpp: In function ‘int main()’: user.cpp:93:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &t, &x, &y); ^