Submission #225577

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
225577	2020-04-20T22:22:13 Z	caoash	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KB

molecules

#pragma gcc target ("sse4")

#include <bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
#include "molecules.h";

using namespace std;
using namespace __gnu_pbds;
 
typedef long long ll;
typedef long double ld;
typedef complex<ld> cd;

typedef pair<int, int> pi;
typedef pair<ll,ll> pl;
typedef pair<ld,ld> pd;
typedef pair<int, pi> pii;

typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
typedef vector<cd> vcd;

#define fax(i, a) for (int i = 0; i < (a); i++)
#define f0x(i, a, b) for (int i = (a); i < (b); i++)
#define f0xd(i,a,b) for (int i = (b)-1; i >= (a); i--)
#define faxd(i,a) for (int i = (a)-1; i >= 0; i--)
#define trav(a, x) for (auto& a : x)
#define memeset memset

#define mp make_pair
#define pb push_back
#define f first
#define s second
#define lb lower_bound
#define ub upper_bound

#define sz(x) (int)x.size()
#define all(x) begin(x), end(x)
#define rsz resize

template<class t> void ckmin(t &a, t b) { a = min(a, b); }
template<class t> void ckmax(t &a, t b) { a = max(a, b); }

template <class t, int ...ns> struct bit {
    t val = 0;
    void upd(t v) { val += v; }
    t query() { return val; }
};
 
template <class t, int n, int... ns> struct bit<t, n, ns...> {
    bit<t,ns...> bit[n + 1];
    template<typename... args> void upd(int pos, args... args) {
        for (; pos <= n; pos += (pos&-pos)) bit[pos].upd(args...);
    }
    template<typename... args> t sum(int r, args... args) {
        t res = 0; for (; r; r -= (r&-r)) res += bit[r].query(args...); 
        return res;
    }
    template<typename... args> t query(int l, int r, args... args) {
        return sum(r,args...)-sum(l-1,args...);
    }
};

namespace input {
    template<class t> void re(complex<t>& x);
    template<class t1, class t2> void re(pair<t1,t2>& p);
    template<class t> void re(vector<t>& a);
    template<class t, size_t sz> void re(array<t,sz>& a);

    template<class t> void re(t& x) { cin >> x; }
    void re(double& x) { string t; re(t); x = stod(t); }
    void re(ld& x) { string t; re(t); x = stold(t); }
    template<class t, class... ts> void re(t& t, ts&... ts) { 
        re(t); re(ts...); 
    }

    template<class t> void re(complex<t>& x) { t a,b; re(a,b); x = cd(a,b); }
    template<class t1, class t2> void re(pair<t1,t2>& p) { re(p.f,p.s); }
    template<class t> void re(vector<t>& a) { fax(i,sz(a)) re(a[i]); }
    template<class t, size_t sz> void re(array<t,sz>& a) { fax(i,sz) re(a[i]); }
}

using namespace input;

namespace output {
    void pr(int x) { cout << x; }
    void pr(long x) { cout << x; }
    void pr(ll x) { cout << x; }
    void pr(unsigned x) { cout << x; }
    void pr(unsigned long x) { cout << x; }
    void pr(unsigned long long x) { cout << x; }
    void pr(float x) { cout << x; }
    void pr(double x) { cout << x; }
    void pr(ld x) { cout << x; }
    void pr(char x) { cout << x; }
    void pr(const char* x) { cout << x; }
    void pr(const string& x) { cout << x; }
    void pr(bool x) { pr(x ? "true" : "false"); }
    
    template<class t1, class t2> void pr(const pair<t1,t2>& x);
    template<class t> void pr(const t& x);
    
    template<class t, class... ts> void pr(const t& t, const ts&... ts) { 
        pr(t); pr(ts...); 
    }
    template<class t1, class t2> void pr(const pair<t1,t2>& x) { 
        pr("{",x.f,", ",x.s,"}"); 
    }
    template<class t> void pr(const t& x) { 
        pr("{"); // const iterator needed for vector<bool>
        bool fst = 1; for (const auto& a: x) pr(!fst?", ":"",a), fst = 0; 
        pr("}");
    }
    
    void ps() { pr("\n"); } // print w/ spaces
    template<class t, class... ts> void ps(const t& t, const ts&... ts) { 
        pr(t); if (sizeof...(ts)) pr(" "); ps(ts...); 
    }
    
    void pc() { pr("]\n"); } // debug w/ commas
    template<class t, class... ts> void pc(const t& t, const ts&... ts) { 
        pr(t); if (sizeof...(ts)) pr(", "); pc(ts...); 
    }
    #define dbg(x...) pr("[",#x,"] = ["), pc(x);
}

using namespace output;

namespace io {
    void setin(string s) { freopen(s.c_str(),"r",stdin); }
    void setout(string s) { freopen(s.c_str(),"w",stdout); }
    void setio(string s = "") {
        ios_base::sync_with_stdio(0); cin.tie(0); // fast i/o
        if (sz(s)) { setin(s+".in"), setout(s+".out"); } // for usaco
    }
}

using namespace io;

mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());

const int mod = 1000000007; // 998244353
const ll inf = 1e18;
const int mx = 200005;
const ld pi = 4*atan((ld)1);

vi find_subset(int l, int u, vi w){
   vi ret;
   set<pi> sufs;
   vpi vals;
   int n = sz(w);
   fax(i,n){
      vals.pb(mp(w[i], i));
   }
   sort(all(vals));
   int st = -1; int en = -1;
   ll sum = 0;
   sufs.insert(mp(0,n));
   for(int i = n-1; i >= 0; i--){
      sum += vals[i].f;
      sufs.insert(mp(sum, i));
   }
   //dbg(sufs);
   sum = 0;
   auto fst = sufs.lb(mp(l,int_min));
   //dbg(*fst);
   if(fst != sufs.end()){
      //dbg(u,l,sum+fst->f);
      if(sum + fst->f <= u && sum + fst->f >= l){
         st = -1; en = fst->s;
      }
   }
   for(int i = 0; i < n; i++){
     if(vals[i].f > u){
      break;
     }
     else if(vals[i].f >= l && vals[i].f <= u){
      vi ret{vals[i].s};
      return ret;
     }
     sum += vals[i].f;
     if(sum > u){
       break;
     }
     auto best = sufs.lb(mp(l-sum, int_min));
     //dbg(sum, *best);
     if(best != sufs.end()){
      if(best->s > i && sum + best->f <= u && sum + best->f >= l){
         //dbg(sum + best->f);
         st = i;
         en = best->s;
      }
     }
   }
   //dbg(st,en);
   if(st == -1 && en == -1) return ret;
   ll tot = 0;
   fax(i,st+1) {
      ret.pb(vals[i].s);
      tot += vals[i].f;
   }
   f0xd(i,en,n) {
      ret.pb(vals[i].s);
      tot += vals[i].f;
   }
   sort(all(ret));
   assert(tot >= l && tot <= u);
   return ret;
}

/*
int main(){
   int n,l,r; re(n,l,r);
   vi inp;
   fax(i,n){
      int x; re(x);
      inp.pb(x);
   }
   vi ret = find_subset(l,r,inp);
   fax(i,sz(ret)){
      pr(ret[i], " ");
   }
}
*/

Compilation message

molecules.cpp:1:0: warning: ignoring #pragma gcc target [-Wunknown-pragmas]
 #pragma gcc target ("sse4")
 
molecules.cpp:6:23: warning: extra tokens at end of #include directive
 #include "molecules.h";
                       ^
molecules.cpp:56:58: error: declaration of 'args ... args' shadows template parameter
     template<typename... args> void upd(int pos, args... args) {
                                                          ^~~~
molecules.cpp:56:14: note: template parameter 'args' declared here
     template<typename... args> void upd(int pos, args... args) {
              ^~~~~~~~
molecules.cpp:59:53: error: declaration of 'args ... args' shadows template parameter
     template<typename... args> t sum(int r, args... args) {
                                                     ^~~~
molecules.cpp:59:14: note: template parameter 'args' declared here
     template<typename... args> t sum(int r, args... args) {
              ^~~~~~~~
molecules.cpp:63:62: error: declaration of 'args ... args' shadows template parameter
     template<typename... args> t query(int l, int r, args... args) {
                                                              ^~~~
molecules.cpp:63:14: note: template parameter 'args' declared here
     template<typename... args> t query(int l, int r, args... args) {
              ^~~~~~~~
molecules.cpp: In member function 'void bit<t, n, ns ...>::upd(int, args ...)':
molecules.cpp:56:58: error: declaration of 'args ... args' shadows template parameter
     template<typename... args> void upd(int pos, args... args) {
                                                          ^~~~
molecules.cpp:56:14: note: template parameter 'args' declared here
     template<typename... args> void upd(int pos, args... args) {
              ^~~~~~~~
molecules.cpp: In member function 't bit<t, n, ns ...>::sum(int, args ...)':
molecules.cpp:59:53: error: declaration of 'args ... args' shadows template parameter
     template<typename... args> t sum(int r, args... args) {
                                                     ^~~~
molecules.cpp:59:14: note: template parameter 'args' declared here
     template<typename... args> t sum(int r, args... args) {
              ^~~~~~~~
molecules.cpp: In member function 't bit<t, n, ns ...>::query(int, int, args ...)':
molecules.cpp:63:62: error: declaration of 'args ... args' shadows template parameter
     template<typename... args> t query(int l, int r, args... args) {
                                                              ^~~~
molecules.cpp:63:14: note: template parameter 'args' declared here
     template<typename... args> t query(int l, int r, args... args) {
              ^~~~~~~~
molecules.cpp: At global scope:
molecules.cpp:77:47: error: declaration of 't& t' shadows template parameter
     template<class t, class... ts> void re(t& t, ts&... ts) { 
                                               ^
molecules.cpp:77:14: note: template parameter 't' declared here
     template<class t, class... ts> void re(t& t, ts&... ts) { 
              ^~~~~
molecules.cpp:77:57: error: declaration of 'ts& ... ts' shadows template parameter
     template<class t, class... ts> void re(t& t, ts&... ts) { 
                                                         ^~
molecules.cpp:77:23: note: template parameter 'ts' declared here
     template<class t, class... ts> void re(t& t, ts&... ts) { 
                       ^~~~~
molecules.cpp: In function 'void input::re(t&, ts& ...)':
molecules.cpp:77:57: error: declaration of 'ts& ... ts' shadows template parameter
     template<class t, class... ts> void re(t& t, ts&... ts) { 
                                                         ^~
molecules.cpp:77:23: note: template parameter 'ts' declared here
     template<class t, class... ts> void re(t& t, ts&... ts) { 
                       ^~~~~
molecules.cpp:77:47: error: declaration of 't& t' shadows template parameter
     template<class t, class... ts> void re(t& t, ts&... ts) { 
                                               ^
molecules.cpp:77:14: note: template parameter 't' declared here
     template<class t, class... ts> void re(t& t, ts&... ts) { 
              ^~~~~
molecules.cpp: At global scope:
molecules.cpp:107:53: error: declaration of 'const t& t' shadows template parameter
     template<class t, class... ts> void pr(const t& t, const ts&... ts) { 
                                                     ^
molecules.cpp:107:14: note: template parameter 't' declared here
     template<class t, class... ts> void pr(const t& t, const ts&... ts) { 
              ^~~~~
molecules.cpp:107:69: error: declaration of 'const ts& ... ts' shadows template parameter
     template<class t, class... ts> void pr(const t& t, const ts&... ts) { 
                                                                     ^~
molecules.cpp:107:23: note: template parameter 'ts' declared here
     template<class t, class... ts> void pr(const t& t, const ts&... ts) { 
                       ^~~~~
molecules.cpp: In function 'void output::pr(const t&, const ts& ...)':
molecules.cpp:107:69: error: declaration of 'const ts& ... ts' shadows template parameter
     template<class t, class... ts> void pr(const t& t, const ts&... ts) { 
                                                                     ^~
molecules.cpp:107:23: note: template parameter 'ts' declared here
     template<class t, class... ts> void pr(const t& t, const ts&... ts) { 
                       ^~~~~
molecules.cpp:107:53: error: declaration of 'const t& t' shadows template parameter
     template<class t, class... ts> void pr(const t& t, const ts&... ts) { 
                                                     ^
molecules.cpp:107:14: note: template parameter 't' declared here
     template<class t, class... ts> void pr(const t& t, const ts&... ts) { 
              ^~~~~
molecules.cpp: At global scope:
molecules.cpp:120:53: error: declaration of 'const t& t' shadows template parameter
     template<class t, class... ts> void ps(const t& t, const ts&... ts) { 
                                                     ^
molecules.cpp:120:14: note: template parameter 't' declared here
     template<class t, class... ts> void ps(const t& t, const ts&... ts) { 
              ^~~~~
molecules.cpp:120:69: error: declaration of 'const ts& ... ts' shadows template parameter
     template<class t, class... ts> void ps(const t& t, const ts&... ts) { 
                                                                     ^~
molecules.cpp:120:23: note: template parameter 'ts' declared here
     template<class t, class... ts> void ps(const t& t, const ts&... ts) { 
                       ^~~~~
molecules.cpp: In function 'void output::ps(const t&, const ts& ...)':
molecules.cpp:120:69: error: declaration of 'const ts& ... ts' shadows template parameter
     template<class t, class... ts> void ps(const t& t, const ts&... ts) { 
                                                                     ^~
molecules.cpp:120:23: note: template parameter 'ts' declared here
     template<class t, class... ts> void ps(const t& t, const ts&... ts) { 
                       ^~~~~
molecules.cpp:120:53: error: declaration of 'const t& t' shadows template parameter
     template<class t, class... ts> void ps(const t& t, const ts&... ts) { 
                                                     ^
molecules.cpp:120:14: note: template parameter 't' declared here
     template<class t, class... ts> void ps(const t& t, const ts&... ts) { 
              ^~~~~
molecules.cpp: At global scope:
molecules.cpp:125:53: error: declaration of 'const t& t' shadows template parameter
     template<class t, class... ts> void pc(const t& t, const ts&... ts) { 
                                                     ^
molecules.cpp:125:14: note: template parameter 't' declared here
     template<class t, class... ts> void pc(const t& t, const ts&... ts) { 
              ^~~~~
molecules.cpp:125:69: error: declaration of 'const ts& ... ts' shadows template parameter
     template<class t, class... ts> void pc(const t& t, const ts&... ts) { 
                                                                     ^~
molecules.cpp:125:23: note: template parameter 'ts' declared here
     template<class t, class... ts> void pc(const t& t, const ts&... ts) { 
                       ^~~~~
molecules.cpp: In function 'void output::pc(const t&, const ts& ...)':
molecules.cpp:125:69: error: declaration of 'const ts& ... ts' shadows template parameter
     template<class t, class... ts> void pc(const t& t, const ts&... ts) { 
                                                                     ^~
molecules.cpp:125:23: note: template parameter 'ts' declared here
     template<class t, class... ts> void pc(const t& t, const ts&... ts) { 
                       ^~~~~
molecules.cpp:125:53: error: declaration of 'const t& t' shadows template parameter
     template<class t, class... ts> void pc(const t& t, const ts&... ts) { 
                                                     ^
molecules.cpp:125:14: note: template parameter 't' declared here
     template<class t, class... ts> void pc(const t& t, const ts&... ts) { 
              ^~~~~
molecules.cpp: At global scope:
molecules.cpp:149:10: error: 'const ld pi' redeclared as different kind of symbol
 const ld pi = 4*atan((ld)1);
          ^~
molecules.cpp:15:24: note: previous declaration 'typedef struct std::pair<int, int> pi'
 typedef pair<int, int> pi;
                        ^~
molecules.cpp: In function 'vi find_subset(int, int, vi)':
molecules.cpp:169:28: error: 'int_min' was not declared in this scope
    auto fst = sufs.lb(mp(l,int_min));
                            ^~~~~~~
molecules.cpp: In function 'void io::setin(std::__cxx11::string)':
molecules.cpp:134:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     void setin(string s) { freopen(s.c_str(),"r",stdin); }
                            ~~~~~~~^~~~~~~~~~~~~~~~~~~~~
molecules.cpp: In function 'void io::setout(std::__cxx11::string)':
molecules.cpp:135:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     void setout(string s) { freopen(s.c_str(),"w",stdout); }
                             ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~