Compilare: user.cpp:130:18: warning: invalid suffix on literal; C++11 requires a space between literal and identifier [-Wliteral-suffix] if(s[0]=='1'and s[1]!='0') ^ user.cpp:138:18: warning: invalid suffix on literal; C++11 requires a space between literal and identifier [-Wliteral-suffix] if(s[0]=='2'and s[1]!='0') ^ user.cpp:146:21: warning: invalid suffix on literal; C++11 requires a space between literal and identifier [-Wliteral-suffix] if(s[0]=='3'and s[1]!='0') ^ user.cpp:154:21: warning: invalid suffix on literal; C++11 requires a space between literal and identifier [-Wliteral-suffix] if(s[0]=='4'and s[1]!='0') ^ user.cpp:162:21: warning: invalid suffix on literal; C++11 requires a space between literal and identifier [-Wliteral-suffix] if(s[0]=='5'and s[1]!='0') ^ user.cpp:170:21: warning: invalid suffix on literal; C++11 requires a space between literal and identifier [-Wliteral-suffix] if(s[0]=='6'and s[1]!='0') ^ user.cpp:178:21: warning: invalid suffix on literal; C++11 requires a space between literal and identifier [-Wliteral-suffix] if(s[0]=='7'and s[1]!='0') ^ user.cpp:186:21: warning: invalid suffix on literal; C++11 requires a space between literal and identifier [-Wliteral-suffix] if(s[0]=='8'and s[1]!='0') ^