Eroare de compilare: user.cpp:1:9: warning: invalid suffix on literal; C++11 requires a space between literal and identifier [-Wliteral-suffix] #include<bits/stdc++.h>int main(){int a,b,c;std::ifstream i("cmmdc.in")>>a>>b;c=std::__gcd(a,b);std::ofstream o("cmmdc.out")<<(c==1?0:c);} ^ user.cpp:1:24: warning: extra tokens at end of #include directive [enabled by default] #include<bits/stdc++.h>int main(){int a,b,c;std::ifstream i("cmmdc.in")>>a>>b;c=std::__gcd(a,b);std::ofstream o("cmmdc.out")<<(c==1?0:c);} ^ /usr/lib/gcc/i686-linux-gnu/4.8/../../../i386-linux-gnu/crt1.o: In function `_start': (.text+0x18): undefined reference to `main' collect2: error: ld returned 1 exit status