Eroare de compilare: user.cpp:1:18: warning: extra tokens at end of #include directive [enabled by default] #include<fstream>#include<algorithm>using namespace std;ifstream f("smax.in");ofstream g("smax.out");int t,nl,nc,d,sol,x,y;struct mat{int l,c,a;};mat v[250001];bool test(mat t1, mat t2){return t1.a>t2.a;}int main(){f>>t;for(int k=1;k<=t;++k){f>>nl>>nc>>d;int p=1;for(int i=1;i<=nl;++i)for(int j=1;j<=nc;++j){v[p].l=i; v[p].c=j;f>>v[p].a;p++;}sort(v+1,v+p,test);sol=0;for(int i=1;i<=p-2;++i){for(int j=i+1;j<=p-1;++j)if(abs(v[i].l-v[j].l)+abs(v[i].c-v[j].c)<=d){x=v[i].a+v[j].a;if(x>sol) sol=x;break;}}g<<sol<<'\n';}} ^ user.cpp:1:26: warning: invalid suffix on literal; C++11 requires a space between literal and identifier [-Wliteral-suffix] #include<fstream>#include<algorithm>using namespace std;ifstream f("smax.in");ofstream g("smax.out");int t,nl,nc,d,sol,x,y;struct mat{int l,c,a;};mat v[250001];bool test(mat t1, mat t2){return t1.a>t2.a;}int main(){f>>t;for(int k=1;k<=t;++k){f>>nl>>nc>>d;int p=1;for(int i=1;i<=nl;++i)for(int j=1;j<=nc;++j){v[p].l=i; v[p].c=j;f>>v[p].a;p++;}sort(v+1,v+p,test);sol=0;for(int i=1;i<=p-2;++i){for(int j=i+1;j<=p-1;++j)if(abs(v[i].l-v[j].l)+abs(v[i].c-v[j].c)<=d){x=v[i].a+v[j].a;if(x>sol) sol=x;break;}}g<<sol<<'\n';}} ^ /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