Compilare: main.cpp:2:27: warning: multi-character character constant [-Wmultichar] 2 | using namespace std;int l['Ⅿ'],v['Ⅿ'],n,i,j,m=1;vector<tuple<int,int>>s;ifstream f("sport.in");ofstream g("sport.out");main(){f>>n;for(;i<n;i++)f>>j,s.push_back(make_pair(j,i)),l[i]=1;sort(s.begin(),s.end());j=1e3;for(auto&[u,p]:s){if(j<p)l[p]+=l[j],m=l[p]>m?l[p]:m;j=p;}g<<n-m;} | ^~~ main.cpp:2:36: warning: multi-character character constant [-Wmultichar] 2 | using namespace std;int l['Ⅿ'],v['Ⅿ'],n,i,j,m=1;vector<tuple<int,int>>s;ifstream f("sport.in");ofstream g("sport.out");main(){f>>n;for(;i<n;i++)f>>j,s.push_back(make_pair(j,i)),l[i]=1;sort(s.begin(),s.end());j=1e3;for(auto&[u,p]:s){if(j<p)l[p]+=l[j],m=l[p]>m?l[p]:m;j=p;}g<<n-m;} | ^~~ main.cpp:2:124: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 2 | using namespace std;int l['Ⅿ'],v['Ⅿ'],n,i,j,m=1;vector<tuple<int,int>>s;ifstream f("sport.in");ofstream g("sport.out");main(){f>>n;for(;i<n;i++)f>>j,s.push_back(make_pair(j,i)),l[i]=1;sort(s.begin(),s.end());j=1e3;for(auto&[u,p]:s){if(j<p)l[p]+=l[j],m=l[p]>m?l[p]:m;j=p;}g<<n-m;} | ^~~~ main.cpp: In function 'int main()': main.cpp:2:228: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 2 | using namespace std;int l['Ⅿ'],v['Ⅿ'],n,i,j,m=1;vector<tuple<int,int>>s;ifstream f("sport.in");ofstream g("sport.out");main(){f>>n;for(;i<n;i++)f>>j,s.push_back(make_pair(j,i)),l[i]=1;sort(s.begin(),s.end());j=1e3;for(auto&[u,p]:s){if(j<p)l[p]+=l[j],m=l[p]>m?l[p]:m;j=p;}g<<n-m;} | ^