Eroare de compilare: main.cpp: In function 'int main()': main.cpp:41:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] 41 | fin>>s+1; | ~^~ main.cpp:67:48: error: 'ct2' was not declared in this scope; did you mean 'c2'? 67 | for(i=1;i<=n;i++) if(a[i][1]!=i%2) ct2++; | ^~~ | c2 main.cpp:68:49: error: 'ct2' was not declared in this scope; did you mean 'c2'? 68 | if(p==2) fout<<min(ct1,n-ct1)/2+min(ct2,n-ct2)/2<<"\n"; | ^~~ | c2 main.cpp:64:23: warning: unused variable 'c2' [-Wunused-variable] 64 | int ct1=0,c2=0,i=1,j=1; | ^~ main.cpp:64:32: warning: unused variable 'j' [-Wunused-variable] 64 | int ct1=0,c2=0,i=1,j=1; | ^ Non zero exit status: 1