Submission #281559

#	Time	Username	Problem	Language	Result	Execution time	Memory
281559		neki	ICC (CEOI16_icc)	C++14	61 / 100	193 ms	704 KiB

icc

#include <bits/stdc++.h>
#include "icc.h"
#define loop(i, a, b) for(long long i=a;i<b;i++)
#define pool(i, a, b) for(long long i=a-1;i>=b;i--)
#define fore(i, a) for(auto&& i:a)
#define fi first
#define se second
#define ps(a) push_back(a)
#define vc vector
#define pa pair<ll, ll>
#define ll long long
#define all(a) a.begin(), a.end()
using namespace std;
#define mn 1000010
#define pa pair<ll, ll>
#define ld long double
vc<vc<ll>> dsu;
int aA[105], aB[105];
ll quer(int sa, int sb, vc<ll> a, vc<ll> b){
    loop(i, 0, sa) aA[i]=a[i];
    loop(i, 0, sb) aB[i]=b[i];
    return query(sa, sb, aA, aB);
}
ll dsuque(vc<ll> a, vc<ll> b){
    vc<ll> qa, qb;
    fore(v, a) fore(u, dsu[v]) qa.ps(u);
    fore(v, b) fore(u, dsu[v]) qb.ps(u);
    return quer(qa.size(), qb.size(), qa, qb);
}
pa solve(){
    
    vc<ll> fa, fb;
    if(dsu.size()==2){
        fa.ps(0);
        fb.ps(1);
    }
    else{
        vc<pa> arr[2];
        arr[0].ps(make_pair(0, dsu.size()));
        while(1){
            vc<pa> temp[2];
            fore(v, arr[0]){
                if(v.fi==v.se-1){
                    temp[0].ps(v);
                    continue;
                }
                ll mid=v.fi+v.se;mid/=2;
                temp[0].ps(make_pair(v.fi, mid));
                temp[1].ps(make_pair(mid, v.se));
            }
            fore(v, arr[1]){
                if(v.fi==v.se-1){
                    temp[1].ps(v);
                    continue;
                }
                ll mid=v.fi+v.se;mid/=2;
                temp[0].ps(make_pair(v.fi, mid));
                temp[1].ps(make_pair(mid, v.se));
            }
            arr[0]=temp[0];
            arr[1]=temp[1];
            vc<ll> a, b;
            fore(v, arr[0]) loop(i, v.fi, v.se) a.ps(i);
            fore(v, arr[1]) loop(i, v.fi, v.se) b.ps(i);
            if(dsuque(a, b)){
                fa=a, fb=b;
                break;
            }
        }
    }
    while(fa.size()>1){
        vc<ll> l[2];
        loop(i, 0, fa.size()) l[i%2].ps(fa[i]);
        if(dsuque(l[0], fb)) fa=l[0];
        else fa=l[1];
    }
    while(fb.size()>1){
        vc<ll> l[2];
        loop(i, 0, fb.size()) l[i%2].ps(fb[i]);
        if(dsuque(l[0], fa)) fb=l[0];
        else fb=l[1];
    }
    vc<ll> ta=dsu[fa[0]], tb=dsu[fb[0]];
    while(ta.size()>1){
        vc<ll> l[2];
        loop(i, 0, ta.size()) l[i%2].ps(ta[i]);
        if(quer(l[0].size(), tb.size(), l[0], tb)) ta=l[0];
        else ta=l[1];
    }
    while(tb.size()>1){
        vc<ll> l[2];
        loop(i, 0, tb.size()) l[i%2].ps(tb[i]);
        if(quer(l[0].size(), ta.size(), l[0], ta)) tb=l[0];
        else tb=l[1];
    }
    return make_pair(ta[0], tb[0]);
}
void run(int n){
    loop(i, 1, n+1) dsu.ps(vc<ll> {i});
    loop(i, 0, n-1){
        pa ans=solve();
        ll a, b;vc<ll> temp;
        loop(i, 0, dsu.size()) fore(u, dsu[i]) if(u==ans.fi) a=i;
        fore(v, dsu[a]) temp.ps(v);
        dsu.erase(dsu.begin()+a);
        
        loop(i, 0, dsu.size()) fore(u, dsu[i]) if(u==ans.se) b=i;
        fore(v, dsu[b]) temp.ps(v);
        dsu.erase(dsu.begin()+b);
        
        dsu.ps(temp);
        
        setRoad(ans.fi, ans.se);
    }
}

Compilation message (stderr)

icc.cpp: In function 'std::pair<long long int, long long int> solve()':
icc.cpp:3:42: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    3 | #define loop(i, a, b) for(long long i=a;i<b;i++)
......
   73 |         loop(i, 0, fa.size()) l[i%2].ps(fa[i]);
      |              ~~~~~~~~~~~~~~~              
icc.cpp:73:9: note: in expansion of macro 'loop'
   73 |         loop(i, 0, fa.size()) l[i%2].ps(fa[i]);
      |         ^~~~
icc.cpp:3:42: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    3 | #define loop(i, a, b) for(long long i=a;i<b;i++)
......
   79 |         loop(i, 0, fb.size()) l[i%2].ps(fb[i]);
      |              ~~~~~~~~~~~~~~~              
icc.cpp:79:9: note: in expansion of macro 'loop'
   79 |         loop(i, 0, fb.size()) l[i%2].ps(fb[i]);
      |         ^~~~
icc.cpp:3:42: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    3 | #define loop(i, a, b) for(long long i=a;i<b;i++)
......
   86 |         loop(i, 0, ta.size()) l[i%2].ps(ta[i]);
      |              ~~~~~~~~~~~~~~~              
icc.cpp:86:9: note: in expansion of macro 'loop'
   86 |         loop(i, 0, ta.size()) l[i%2].ps(ta[i]);
      |         ^~~~
icc.cpp:3:42: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    3 | #define loop(i, a, b) for(long long i=a;i<b;i++)
......
   92 |         loop(i, 0, tb.size()) l[i%2].ps(tb[i]);
      |              ~~~~~~~~~~~~~~~              
icc.cpp:92:9: note: in expansion of macro 'loop'
   92 |         loop(i, 0, tb.size()) l[i%2].ps(tb[i]);
      |         ^~~~
icc.cpp: In function 'void run(int)':
icc.cpp:3:42: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    3 | #define loop(i, a, b) for(long long i=a;i<b;i++)
......
  103 |         loop(i, 0, dsu.size()) fore(u, dsu[i]) if(u==ans.fi) a=i;
      |              ~~~~~~~~~~~~~~~~             
icc.cpp:103:9: note: in expansion of macro 'loop'
  103 |         loop(i, 0, dsu.size()) fore(u, dsu[i]) if(u==ans.fi) a=i;
      |         ^~~~
icc.cpp:3:42: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    3 | #define loop(i, a, b) for(long long i=a;i<b;i++)
......
  107 |         loop(i, 0, dsu.size()) fore(u, dsu[i]) if(u==ans.se) b=i;
      |              ~~~~~~~~~~~~~~~~             
icc.cpp:107:9: note: in expansion of macro 'loop'
  107 |         loop(i, 0, dsu.size()) fore(u, dsu[i]) if(u==ans.se) b=i;
      |         ^~~~
icc.cpp:108:22: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized]
  108 |         fore(v, dsu[b]) temp.ps(v);
      |                      ^
icc.cpp:104:22: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized]
  104 |         fore(v, dsu[a]) temp.ps(v);
      |                      ^

• Subtask 1: 7 / 7
• Subtask 2: 11 / 11
• Subtask 3: 22 / 22
• Subtask 4: 21 / 21
• Subtask 5: 0 / 29
• Subtask 6: 0 / 10