Main.cc: In function ‘int main()’: Main.cc:8:12: error: expected ‘;’ before ‘:’ token cin>>a[i]: ^ Main.cc:10:4: error: ‘else’ without a previous ‘if’ else if(a[i]<=35) n2++; ^~~~ Main.cc:14:31: warning: unknown conversion type character ‘\x0a’ in format [-Wformat=] printf("%.2f%\n",n1*1.0/n*100); ^ Main.cc:15:31: warning: unknown conversion type character ‘\x0a’ in format [-Wformat=] printf("%.2f%\n",n2*1.0/n*100); ^ Main.cc:16:31: warning: unknown conversion type character ‘\x0a’ in format [-Wformat=] printf("%.2f%\n",n3*1.0/n*100); ^ Main.cc:17:31: warning: unknown conversion type character ‘\x0a’ in format [-Wformat=] printf("%.2f%\n",n4*1.0/n*100); ^