Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 1 | #import<fstream> | ^~~~~~ main.cpp:2:64: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 2 | using namespace std;int b;char p,s[8];string r="DA\n",w="NU\n";main(){for(fstream I("paritate.in");I>>p&&I.get(s,8);b++) {int o=0,c=0,i=0;for(;i<7;o+=s[i]-48,c+=(s[i]-48)*(1<<(6-i++)));w+=(p%2!=o%2?to_string(b)+" ":"");r+=c;}ofstream("paritate.out")<<(w.size()>3?w:r);} | ^~~~ main.cpp: In function 'int main()': main.cpp:2:180: warning: operation on 'i' may be undefined [-Wsequence-point] 2 | using namespace std;int b;char p,s[8];string r="DA\n",w="NU\n";main(){for(fstream I("paritate.in");I>>p&&I.get(s,8);b++) {int o=0,c=0,i=0;for(;i<7;o+=s[i]-48,c+=(s[i]-48)*(1<<(6-i++)));w+=(p%2!=o%2?to_string(b)+" ":"");r+=c;}ofstream("paritate.out")<<(w.size()>3?w:r);} | ~^~