Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 1 | #import<fstream> | ^~~~~~ main.cpp:2:72: warning: multi-character character constant [-Wmultichar] 2 | std::ifstream f("scmax.in");std::ofstream g("scmax.out");int n,r,i,x,v['■'],k['■'],a['■'];void p(int i){while(a[i--]-r);if(--r)p(i);g<<v[i]<<" ";}main(){for(f>>x;f>>x;r+=n>r,k[a[++i]=n]=v[i]=x,n=0)while(r-n++&&k[n]<x);g<<r<<" ",p(i);} | ^~~ main.cpp:2:81: warning: multi-character character constant [-Wmultichar] 2 | std::ifstream f("scmax.in");std::ofstream g("scmax.out");int n,r,i,x,v['■'],k['■'],a['■'];void p(int i){while(a[i--]-r);if(--r)p(i);g<<v[i]<<" ";}main(){for(f>>x;f>>x;r+=n>r,k[a[++i]=n]=v[i]=x,n=0)while(r-n++&&k[n]<x);g<<r<<" ",p(i);} | ^~~ main.cpp:2:90: warning: multi-character character constant [-Wmultichar] 2 | std::ifstream f("scmax.in");std::ofstream g("scmax.out");int n,r,i,x,v['■'],k['■'],a['■'];void p(int i){while(a[i--]-r);if(--r)p(i);g<<v[i]<<" ";}main(){for(f>>x;f>>x;r+=n>r,k[a[++i]=n]=v[i]=x,n=0)while(r-n++&&k[n]<x);g<<r<<" ",p(i);} | ^~~ main.cpp:2:153: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 2 | std::ifstream f("scmax.in");std::ofstream g("scmax.out");int n,r,i,x,v['■'],k['■'],a['■'];void p(int i){while(a[i--]-r);if(--r)p(i);g<<v[i]<<" ";}main(){for(f>>x;f>>x;r+=n>r,k[a[++i]=n]=v[i]=x,n=0)while(r-n++&&k[n]<x);g<<r<<" ",p(i);} | ^~~~ main.cpp: In function 'int main()': main.cpp:2:185: warning: operation on 'i' may be undefined [-Wsequence-point] 2 | std::ifstream f("scmax.in");std::ofstream g("scmax.out");int n,r,i,x,v['■'],k['■'],a['■'];void p(int i){while(a[i--]-r);if(--r)p(i);g<<v[i]<<" ";}main(){for(f>>x;f>>x;r+=n>r,k[a[++i]=n]=v[i]=x,n=0)while(r-n++&&k[n]<x);g<<r<<" ",p(i);} | ^~~