Compilare: user.cpp: In function ‘void solve()’: user.cpp:62: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:70: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:77: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:84: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:89: warning: suggest explicit braces to avoid ambiguous ‘else’ user.cpp:32: warning: unused variable ‘i’ user.cpp: In function ‘int main()’: user.cpp:116: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:118: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result