Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 1 | #import<fstream> | ^~~~~~ main.cpp: In function 'int m(int, int)': main.cpp:2:114: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] 2 | int H[108][108],M[108][108],A,T,Y,p,i,j,n,N,X,Z=1,W=1,L=2,P=2,Q;int m(int i,int j){A++;M[i][j]=1;((H[i][j]>>2)&1)<1&M[i][j+1]<1&&m(i,j+1);((H[i][j]>>1)&1)<1&M[i+1][j]<1&&m(i+1,j);Q=H[i][j];Q==6||Q==7||Q==14||Q==15?T=i,Y=j:0;}main(){std::ifstream f("castel3.in");std::ofstream g("castel3.out");for(f>>p>>n;++i<=n;)for(j=0;++j<=n;f>>H[i][j]);for(i=0;++i<=n;)for(j=0;++j<=n;Q=H[i][j],Q==9||Q==11||Q==13||Q==15?++N,A=0,m(i,j),X<A?X=A,Z=i,W=j,L=T,P=Y:0:0);p<2?g<<N:p<3?g<<X:g<<Z<<' '<<W<<' '<<L<<' '<<P;} | ~~~~~~~~~~~~~~~~^~ main.cpp:2:155: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] 2 | int H[108][108],M[108][108],A,T,Y,p,i,j,n,N,X,Z=1,W=1,L=2,P=2,Q;int m(int i,int j){A++;M[i][j]=1;((H[i][j]>>2)&1)<1&M[i][j+1]<1&&m(i,j+1);((H[i][j]>>1)&1)<1&M[i+1][j]<1&&m(i+1,j);Q=H[i][j];Q==6||Q==7||Q==14||Q==15?T=i,Y=j:0;}main(){std::ifstream f("castel3.in");std::ofstream g("castel3.out");for(f>>p>>n;++i<=n;)for(j=0;++j<=n;f>>H[i][j]);for(i=0;++i<=n;)for(j=0;++j<=n;Q=H[i][j],Q==9||Q==11||Q==13||Q==15?++N,A=0,m(i,j),X<A?X=A,Z=i,W=j,L=T,P=Y:0:0);p<2?g<<N:p<3?g<<X:g<<Z<<' '<<W<<' '<<L<<' '<<P;} | ~~~~~~~~~~~~~~~~^~ main.cpp:2:225: warning: no return statement in function returning non-void [-Wreturn-type] 2 | int H[108][108],M[108][108],A,T,Y,p,i,j,n,N,X,Z=1,W=1,L=2,P=2,Q;int m(int i,int j){A++;M[i][j]=1;((H[i][j]>>2)&1)<1&M[i][j+1]<1&&m(i,j+1);((H[i][j]>>1)&1)<1&M[i+1][j]<1&&m(i+1,j);Q=H[i][j];Q==6||Q==7||Q==14||Q==15?T=i,Y=j:0;}main(){std::ifstream f("castel3.in");std::ofstream g("castel3.out");for(f>>p>>n;++i<=n;)for(j=0;++j<=n;f>>H[i][j]);for(i=0;++i<=n;)for(j=0;++j<=n;Q=H[i][j],Q==9||Q==11||Q==13||Q==15?++N,A=0,m(i,j),X<A?X=A,Z=i,W=j,L=T,P=Y:0:0);p<2?g<<N:p<3?g<<X:g<<Z<<' '<<W<<' '<<L<<' '<<P;} | ^ main.cpp: At global scope: main.cpp:2:226: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 2 | int H[108][108],M[108][108],A,T,Y,p,i,j,n,N,X,Z=1,W=1,L=2,P=2,Q;int m(int i,int j){A++;M[i][j]=1;((H[i][j]>>2)&1)<1&M[i][j+1]<1&&m(i,j+1);((H[i][j]>>1)&1)<1&M[i+1][j]<1&&m(i+1,j);Q=H[i][j];Q==6||Q==7||Q==14||Q==15?T=i,Y=j:0;}main(){std::ifstream f("castel3.in");std::ofstream g("castel3.out");for(f>>p>>n;++i<=n;)for(j=0;++j<=n;f>>H[i][j]);for(i=0;++i<=n;)for(j=0;++j<=n;Q=H[i][j],Q==9||Q==11||Q==13||Q==15?++N,A=0,m(i,j),X<A?X=A,Z=i,W=j,L=T,P=Y:0:0);p<2?g<<N:p<3?g<<X:g<<Z<<' '<<W<<' '<<L<<' '<<P;} | ^~~~ main.cpp: In function 'int m(int, int)': main.cpp:2:69: warning: infinite recursion detected [-Winfinite-recursion] 2 | int H[108][108],M[108][108],A,T,Y,p,i,j,n,N,X,Z=1,W=1,L=2,P=2,Q;int m(int i,int j){A++;M[i][j]=1;((H[i][j]>>2)&1)<1&M[i][j+1]<1&&m(i,j+1);((H[i][j]>>1)&1)<1&M[i+1][j]<1&&m(i+1,j);Q=H[i][j];Q==6||Q==7||Q==14||Q==15?T=i,Y=j:0;}main(){std::ifstream f("castel3.in");std::ofstream g("castel3.out");for(f>>p>>n;++i<=n;)for(j=0;++j<=n;f>>H[i][j]);for(i=0;++i<=n;)for(j=0;++j<=n;Q=H[i][j],Q==9||Q==11||Q==13||Q==15?++N,A=0,m(i,j),X<A?X=A,Z=i,W=j,L=T,P=Y:0:0);p<2?g<<N:p<3?g<<X:g<<Z<<' '<<W<<' '<<L<<' '<<P;} | ^ main.cpp:2:131: note: recursive call 2 | int H[108][108],M[108][108],A,T,Y,p,i,j,n,N,X,Z=1,W=1,L=2,P=2,Q;int m(int i,int j){A++;M[i][j]=1;((H[i][j]>>2)&1)<1&M[i][j+1]<1&&m(i,j+1);((H[i][j]>>1)&1)<1&M[i+1][j]<1&&m(i+1,j);Q=H[i][j];Q==6||Q==7||Q==14||Q==15?T=i,Y=j:0;}main(){std::ifstream f("castel3.in");std::ofstream g("castel3.out");for(f>>p>>n;++i<=n;)for(j=0;++j<=n;f>>H[i][j]);for(i=0;++i<=n;)for(j=0;++j<=n;Q=H[i][j],Q==9||Q==11||Q==13||Q==15?++N,A=0,m(i,j),X<A?X=A,Z=i,W=j,L=T,P=Y:0:0);p<2?g<<N:p<3?g<<X:g<<Z<<' '<<W<<' '<<L<<' '<<P;} | ~^~~~~~~ main.cpp:2:172: note: recursive call 2 | int H[108][108],M[108][108],A,T,Y,p,i,j,n,N,X,Z=1,W=1,L=2,P=2,Q;int m(int i,int j){A++;M[i][j]=1;((H[i][j]>>2)&1)<1&M[i][j+1]<1&&m(i,j+1);((H[i][j]>>1)&1)<1&M[i+1][j]<1&&m(i+1,j);Q=H[i][j];Q==6||Q==7||Q==14||Q==15?T=i,Y=j:0;}main(){std::ifstream f("castel3.in");std::ofstream g("castel3.out");for(f>>p>>n;++i<=n;)for(j=0;++j<=n;f>>H[i][j]);for(i=0;++i<=n;)for(j=0;++j<=n;Q=H[i][j],Q==9||Q==11||Q==13||Q==15?++N,A=0,m(i,j),X<A?X=A,Z=i,W=j,L=T,P=Y:0:0);p<2?g<<N:p<3?g<<X:g<<Z<<' '<<W<<' '<<L<<' '<<P;} | ~^~~~~~~