Submission #113736

#	Time	Username	Problem	Language	Result	Execution time	Memory
113736		MAMBA	ICC (CEOI16_icc)	C++17	Compilation error	0 ms	0 KiB

icc

#include "icc.h"
#include <bits/stdc++.h> 

using namespace std;

#define rep(i , j , k) for(int i = j ; i < (int)k; i++)
#define pb push_back

constexpr int N = 110;

int sz[N], par[N];
vector<int> h[N];
set<int> st;

int getPar(int v) {
	if (par[v] == -1) return v;
	return getPar(par[v]);
}

inline void merge(int u , int v) {
	v = getPar(v);
	u = getPar(u);

	if (sz[v] > sz[u]) swap(v , u);

	for (auto e : h[v])
		h[u].pb(e);
	h[v].clear();
	par[v] = u;
	sz[u] += sz[v];
	st.erase(v);
}

int a[N], b[N];

unordered_map<int , int> mp , arr;
int ptr;
inline void solve() {
	ptr = 0;
	mp.clear();
	arr.clear();
	for (auto e : st) {
		arr[ptr] = e;
		mp[e] = ptr++;
	}	
	int xor_ = 0;
	for (int i = 0; (1 << i) <= ptr; i++) {
		int size_a = 0;
		int size_b = 0;
		rep(j , 0 , ptr) {
			if ((j >> i) & 1) {
				for (auto e : h[arr[j]])
					a[size_a++] = e;
			}
			else {
				for (auto e : h[arr[j]])
					b[size_b++] = e;
			}
		}
		xor_ |= (query(size_a , size_b , a , b) ? (1 << i) : 0);
	}
	int now_a = 0 , now_b = 0;
	now_b |= 1 << __builtin_ctz(xor_);
	for (int i = 0; (1 << i) <= ptr; i++) {
		if (b & (1 << i)) continue;
		if ((xor_ >> i) & 1) {
			int size_a = 0;
			int size_b = 0;
			rep(j , 0 , ptr) {
				int must = ((1 << __builtin_ctz(xor_)) | ((1 << i) - 1));
				if ((j & must) == now_a) {
					if ((j >> i) & 1) 
						for (auto e : h[arr[j]])
							a[size_a++] = e;
				}
				else if ((j & must) == now_b) {
					if ((j >> i) & 1) ;
					else 
						for (auto e: h[arr[j]])
							b[size_b++] = e;
				}
			}
			if (query(size_a , size_b , a , b))
				now_a += (1 << i);
			else
				now_b += (1 << i);
		}
		else {
			int size_a = 0;
			int size_b = 0;
			rep(j , 0 , ptr) {
				int must = ((1 << __builtin_ctz(xor_)) | ((1 << i) - 1));
				if ((j & must) == now_a) {
					if ((j >> i) & 1) 
						for (auto e : h[arr[j]])
							a[size_a++] = e;
				}
				else if ((j & must) == now_b) {
					if ((j >> i) & 1) 
						for (auto e : h[arr[j]])
							b[size_b++] = e;
				}
			}
			if (query(size_a , size_b , a , b)) {
				now_a += (1 << i);
				now_b += (1 << i);
			}
		}
	}

	now_a = arr[now_a];
	now_b = arr[now_b];
	int lo = 0,  hi = h[now_a].size();
	while (lo != hi - 1) {
		int mid = lo + hi >> 1;
		int size_a = 0;
		int size_b = 0;
		rep(i , 0 , mid)
			a[size_a++] = h[now_a][i];
		for (auto e : h[now_b])
			b[size_b++] = e;
		if (query(size_a , size_b , a , b))
			hi = mid;
		else lo = mid;
	}

	int man = lo;

	lo = 0, hi = h[now_b].size();
	while (lo != hi - 1) {
		int mid = lo + hi >> 1;
		a[0] = h[now_a][man];
		rep(i , 0 , mid)
			b[i] = h[now_b][i];
		if (query(1 , mid , a , b))
			hi = mid;
		else
			lo = mid;
	}
	setRoad(h[now_a][man] , h[now_b][lo]);
	merge(h[now_a][man] , h[now_b][lo]);
}

void run(int n) {
	rep(i , 1 , n + 1)
		st.insert(i);
	rep(i , 0 , n) 
		solve();
}

Compilation message (stderr)

icc.cpp: In function 'void solve()':
icc.cpp:65:9: error: invalid operands of types 'int [110]' and 'int' to binary 'operator&'
   if (b & (1 << i)) continue;
       ~~^~~~~~~~~~
icc.cpp:115:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int mid = lo + hi >> 1;
             ~~~^~~~
icc.cpp:131:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   int mid = lo + hi >> 1;
             ~~~^~~~