Compilare: user.cpp: In function ‘void citire()’: user.cpp:23:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d%d",&n,&m,&s,&fin); ^ user.cpp:26:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i][j]); ^ user.cpp: In function ‘int greedy(int, int)’: user.cpp:59:1: warning: control reaches end of non-void function [-Wreturn-type] } ^