Compilare: user.cpp: In function ‘void citire()’: user.cpp:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void transform(int, int)’: user.cpp:94: warning: ‘sw’ may be used uninitialized in this function user.cpp: In function ‘void solve()’: user.cpp:50: warning: ‘c’ may be used uninitialized in this function