Compilare: user.cpp: In function ‘int main()’: user.cpp:26:29: 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:28:37: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&niv,&col); ^ user.cpp:39:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&p); ^ user.cpp:42:47: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d%d",&niv,&col,&x,&y); ^ user.cpp: In function ‘int cautbin(int, int)’: user.cpp:19:12: warning: ‘rasp’ may be used uninitialized in this function [-Wmaybe-uninitialized] return rasp; ^ user.cpp: In function ‘int main()’: user.cpp:59:33: warning: ‘rasp’ may be used uninitialized in this function [-Wmaybe-uninitialized] col=cautbin(niv,col)-1; ^ user.cpp:54:29: warning: ‘rasp’ may be used uninitialized in this function [-Wmaybe-uninitialized] col=cautbin(niv,col)-1; ^