Compilare: user.cpp: In function ‘void citire()’: user.cpp:9:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&a); fscanf(f,"%d",&b); fscanf(f,"%d",&u); ^ user.cpp:9:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&a); fscanf(f,"%d",&b); fscanf(f,"%d",&u); ^ user.cpp:9:58: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&a); fscanf(f,"%d",&b); fscanf(f,"%d",&u); ^ user.cpp:11:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&umb[i][1]); fscanf(f,"%d",&umb[i][2]); } ^ user.cpp:11:57: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&umb[i][1]); fscanf(f,"%d",&umb[i][2]); } ^ user.cpp: In function ‘int main()’: user.cpp:36:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:38:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&tur[i][1]); fscanf(f,"%d",&tur[i][2]); fscanf(f,"%d",&tur[i][3]); fscanf(f,"%d",&tur[i][4]); ^ user.cpp:38:57: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&tur[i][1]); fscanf(f,"%d",&tur[i][2]); fscanf(f,"%d",&tur[i][3]); fscanf(f,"%d",&tur[i][4]); ^ user.cpp:38:84: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&tur[i][1]); fscanf(f,"%d",&tur[i][2]); fscanf(f,"%d",&tur[i][3]); fscanf(f,"%d",&tur[i][4]); ^ user.cpp:38:111: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&tur[i][1]); fscanf(f,"%d",&tur[i][2]); fscanf(f,"%d",&tur[i][3]); fscanf(f,"%d",&tur[i][4]); ^ user.cpp:45:20: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&m); ^ user.cpp:47:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&loc[k][1]); fscanf(f,"%d",&loc[k][2]); fscanf(f,"%d",&loc[k][3]); fscanf(f,"%d",&loc[k][4]); ^ user.cpp:47:57: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&loc[k][1]); fscanf(f,"%d",&loc[k][2]); fscanf(f,"%d",&loc[k][3]); fscanf(f,"%d",&loc[k][4]); ^ user.cpp:47:84: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&loc[k][1]); fscanf(f,"%d",&loc[k][2]); fscanf(f,"%d",&loc[k][3]); fscanf(f,"%d",&loc[k][4]); ^ user.cpp:47:111: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&loc[k][1]); fscanf(f,"%d",&loc[k][2]); fscanf(f,"%d",&loc[k][3]); fscanf(f,"%d",&loc[k][4]); ^