Compilare: main.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] 1 | #import<bits/stdc++.h> | ^~~~~~ main.cpp:2:85: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 2 | using namespace std;int i,j,k,l,b,r,v[1<<17];string s;vector<pair<int,int>>u[1<<17];main(){ifstream{"blis.in"}>>k>>s;l=size(s);for(fill_n(v,l,1<<30);i<l;r=max(b,r)){for(b=0,j=i;j<l&j<i+k;u[j++].push_back({upper_bound(v,v+j,b-1)-v,b}))b=b*2+s[j]-48;for(auto[p,q]:u[i++])v[p]>q?v[p]=q:q;}for(i=0;v[i]!=1<<30;++i);ofstream{"blis.out"}<<r<<'\n'<<i;} | ^~~~ main.cpp: In function 'int main()': main.cpp:2:179: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] 2 | using namespace std;int i,j,k,l,b,r,v[1<<17];string s;vector<pair<int,int>>u[1<<17];main(){ifstream{"blis.in"}>>k>>s;l=size(s);for(fill_n(v,l,1<<30);i<l;r=max(b,r)){for(b=0,j=i;j<l&j<i+k;u[j++].push_back({upper_bound(v,v+j,b-1)-v,b}))b=b*2+s[j]-48;for(auto[p,q]:u[i++])v[p]>q?v[p]=q:q;}for(i=0;v[i]!=1<<30;++i);ofstream{"blis.out"}<<r<<'\n'<<i;} | ~^~ main.cpp:2:191: warning: operation on 'j' may be undefined [-Wsequence-point] 2 | using namespace std;int i,j,k,l,b,r,v[1<<17];string s;vector<pair<int,int>>u[1<<17];main(){ifstream{"blis.in"}>>k>>s;l=size(s);for(fill_n(v,l,1<<30);i<l;r=max(b,r)){for(b=0,j=i;j<l&j<i+k;u[j++].push_back({upper_bound(v,v+j,b-1)-v,b}))b=b*2+s[j]-48;for(auto[p,q]:u[i++])v[p]>q?v[p]=q:q;}for(i=0;v[i]!=1<<30;++i);ofstream{"blis.out"}<<r<<'\n'<<i;} | ~^~