Compilare: user.cpp: In function ‘int main()’: user.cpp:8:5: warning: label ‘std’ defined but not used [-Wunused-label] std:FILE *ifile = fopen("2sah.in","r"); ^ user.cpp:10:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(ifile,"%s",asd); ^ user.cpp:13:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(ifile,"%s",asd); ^ user.cpp:15:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(ifile,"%s",asd); ^